The following is a comprehensive, systematically organized syllabus of Questions and Interrogative Structures in English Grammar, covering basic, intermediate, advanced, and academic English.

1. Introduction to Questions and Interrogative Structures

• Definition of a Question

• Definition of an Interrogative Sentence

• Purpose and Functions of Questions

• Characteristics of Interrogative Structures

• Declarative vs. Interrogative Sentences

• Direct vs. Indirect Questions

• Formal vs. Informal Questions

• Spoken vs. Written Interrogatives

• Question Formation Rules

• Question Marks and Punctuation

2. Classification of Questions

• Yes/No Questions

• Wh-Questions

• Alternative Questions

• Tag Questions

• Negative Questions

• Subject Questions

• Object Questions

• Embedded Questions

• Indirect Questions

• Rhetorical Questions

• Echo Questions

• Declarative Questions

• Leading Questions

• Open-ended Questions

• Closed-ended Questions

3. Yes/No Questions

• Definition and Formation

• Questions with Be

• Questions with Do and Does

• Questions with Did

• Questions with Have and Has

• Questions with Had

• Questions with Modal Verbs

• Positive Yes/No Questions

• Negative Yes/No Questions

• Short Answers to Yes/No Questions

• Long Answers to Yes/No Questions

• Yes/No Questions Across Tenses

• Intonation in Yes/No Questions

4. Wh-Questions

• Definition and Formation

• Questions with Who

• Questions with Whom

• Questions with Whose

• Questions with What

• Questions with Which

• Questions with When

• Questions with Where

• Questions with Why

• Questions with How

• Questions with How Many

• Questions with How Much

• Questions with How Long

• Questions with How Often

• Questions with How Far

• Questions with How Old

• Questions with How Soon

• Questions with How Big

• Questions with How Tall

• Questions with How Deep

• Questions with How Wide

• Questions with How Fast

• Questions with How Come

• Wh-Words with Prepositions

5. Subject Questions

• Definition of Subject Questions

• Subject Identification

• Questions with Who as Subject

• Questions with What as Subject

• Questions with Which as Subject

• Questions with Whose as Subject

• Subject Questions in Different Tenses

• Subject–Verb Agreement in Subject Questions

• Questions Without Do-Support

• Subject Questions with Auxiliary Verbs

• Subject Questions vs. Object Questions

6. Object Questions

• Definition of Object Questions

• Direct Object Questions

• Indirect Object Questions

• Questions with Who and Whom

• Questions with What

• Questions with Which

• Object Questions with Do-Support

• Object Questions with Auxiliary Inversion

• Object Questions Across Tenses

• Questions About Objects of Prepositions

• Subject vs. Object Question Formation

7. Auxiliary Verbs in Questions

• Primary Auxiliary Verbs

• Auxiliary Be

• Auxiliary Have

• Auxiliary Do

• Modal Auxiliary Verbs

• Auxiliary–Subject Inversion

• Do-Support in Interrogatives

• Questions with Multiple Auxiliaries

• Auxiliary Placement

• Auxiliary Omission in Informal Questions

• Auxiliary Verbs in Short Answers

8. Subject–Auxiliary Inversion

• Definition of Inversion

• Basic Inversion Rules

• Inversion with Be

• Inversion with Have

• Inversion with Do

• Inversion with Modal Verbs

• Inversion in Yes/No Questions

• Inversion in Wh-Questions

• Inversion in Negative Questions

• Inversion in Formal English

• Exceptions to Inversion

• Inversion vs. Normal Word Order

9. Questions in the Present Tenses

• Simple Present Questions

• Present Continuous Questions

• Present Perfect Questions

• Present Perfect Continuous Questions

• Positive Questions

• Negative Questions

• Yes/No Questions

• Wh-Questions

• Subject Questions

• Object Questions

• Short Answers

10. Questions in the Past Tenses

• Simple Past Questions

• Past Continuous Questions

• Past Perfect Questions

• Past Perfect Continuous Questions

• Questions with Did

• Questions with Was and Were

• Questions with Had

• Positive and Negative Questions

• Past-Tense Wh-Questions

• Subject and Object Questions

• Short Answers

11. Questions in the Future Tenses

• Simple Future Questions

• Future Continuous Questions

• Future Perfect Questions

• Future Perfect Continuous Questions

• Questions with Will

• Questions with Shall

• Questions with Be Going To

• Questions with Present Continuous for Future Arrangements

• Questions with Present Simple for Scheduled Events

• Future Yes/No Questions

• Future Wh-Questions

• Predictions and Plans in Questions

12. Modal Questions

• Questions with Can

• Questions with Could

• Questions with May

• Questions with Might

• Questions with Will

• Questions with Would

• Questions with Shall

• Questions with Should

• Questions with Must

• Questions with Ought To

• Questions with Need

• Questions with Dare

• Questions with Have To

• Questions with Be Able To

• Questions with Be Supposed To

• Modal Perfect Questions

13. Negative Questions

• Definition of Negative Questions

• Negative Yes/No Questions

• Negative Wh-Questions

• Contracted Negative Questions

• Uncontracted Negative Questions

• Questions with Isn't and Aren't

• Questions with Don't and Doesn't

• Questions with Didn't

• Questions with Haven't and Hasn't

• Questions with Can't and Couldn't

• Questions with Won't and Wouldn't

• Questions Expressing Surprise

• Questions Expressing Expectations

• Responses to Negative Questions

14. Alternative Questions

• Definition of Alternative Questions

• Questions with Or

• Two-Option Questions

• Multiple-Option Questions

• Alternative Questions with Nouns

• Alternative Questions with Verbs

• Alternative Questions with Adjectives

• Alternative Questions with Adverbs

• Alternative Questions with Clauses

• Choice Questions vs. Yes/No Questions

• Intonation in Alternative Questions

15. Tag Questions

• Definition of Tag Questions

• Structure of Question Tags

• Positive Statement + Negative Tag

• Negative Statement + Positive Tag

• Tag Questions with Be

• Tag Questions with Do

• Tag Questions with Have

• Tag Questions with Modal Verbs

• Tag Questions with I Am

• Tag Questions with Let's

• Tag Questions with Imperatives

• Tags with Indefinite Pronouns

• Tags with Negative Words

• Same-Polarity Tags

• Intonation in Tag Questions

• Agreement and Confirmation Tags

16. Indirect Questions

• Definition of Indirect Questions

• Direct vs. Indirect Questions

• Polite Indirect Questions

• Indirect Yes/No Questions

• Indirect Wh-Questions

• Indirect Questions with If

• Indirect Questions with Whether

• Word Order in Indirect Questions

• Indirect Questions with Could You Tell Me

• Indirect Questions with Do You Know

• Indirect Questions with I Wonder

• Tense Usage in Indirect Questions

• Punctuation in Indirect Questions

• Indirect Questions vs. Reported Questions

17. Embedded Questions

• Definition of Embedded Questions

• Embedded Questions in Statements

• Embedded Questions in Questions

• Embedded Questions as Noun Clauses

• Embedded Yes/No Questions

• Embedded Wh-Questions

• Embedded Subject Questions

• Embedded Object Questions

• Statement Word Order in Embedded Questions

• Embedded Questions with Whether and If

• Embedded Questions After Verbs

• Embedded Questions After Adjectives

• Embedded Questions After Prepositions

• Embedded Questions in Academic Writing

18. Reported Questions

• Direct Question to Reported Question

• Reporting Yes/No Questions

• Reporting Wh-Questions

• Reporting Verbs: Ask, Inquire, Wonder

• Tense Backshifting

• Pronoun Changes

• Time and Place Expression Changes

• Word Order in Reported Questions

• Reporting Questions with Modal Verbs

• Reporting Negative Questions

• Reporting Rhetorical Questions

• Questions Without Tense Backshifting

• Reported Questions vs. Embedded Questions

19. Rhetorical Questions

• Definition of Rhetorical Questions

• Functions of Rhetorical Questions

• Affirmative Rhetorical Questions

• Negative Rhetorical Questions

• Persuasive Rhetorical Questions

• Emotional Rhetorical Questions

• Rhetorical Questions in Speeches

• Rhetorical Questions in Literature

• Rhetorical Questions in Academic Writing

• Rhetorical Questions in Everyday Conversation

• Rhetorical Questions vs. Genuine Questions

20. Echo Questions

• Definition of Echo Questions

• Repetition of Complete Questions

• Repetition of Partial Statements

• Echo Wh-Questions

• Echo Yes/No Questions

• Echo Questions Expressing Surprise

• Echo Questions Requesting Clarification

• Echo Questions Requesting Repetition

• Echo Questions with Rising Intonation

• Echo Questions vs. Standard Questions

21. Declarative Questions

• Definition of Declarative Questions

• Statement Word Order Used as a Question

• Rising Intonation in Declarative Questions

• Confirmation Questions

• Surprise Questions

• Informal Conversational Questions

• Declarative Questions Without Inversion

• Declarative Questions vs. Tag Questions

• Declarative Questions in Spoken English

• Context-Dependent Interpretation

22. Polite Questions and Requests

• Direct Questions vs. Polite Questions

• Questions with Could

• Questions with Would

• Questions with May

• Questions with Might

• Questions with Would You Mind

• Questions with Do You Mind

• Questions with Would It Be Possible

• Questions with I Was Wondering

• Questions with Could You Please

• Questions for Permission

• Questions for Requests

• Questions for Offers

• Questions for Suggestions

• Formal and Informal Question Forms

23. Questions with Prepositions

• Prepositional Questions

• Preposition Stranding

• Preposition Fronting

• Questions with Who

• Questions with Whom

• Questions with Which

• Questions with What

• Questions with Where

• Questions with Who ... With

• Questions with What ... For

• Questions with Which ... In

• Formal vs. Informal Preposition Placement

• Prepositional Questions in Academic English

24. Questions with Infinitives and Gerunds

• Questions with To-Infinitives

• Questions with Bare Infinitives

• Questions with Gerunds

• Wh-Word + To-Infinitive

• Questions with What To Do

• Questions with How To

• Questions with Where To

• Questions with When To

• Questions with Which To Choose

• Questions with What About + -ing

• Questions with How About + -ing

• Questions About Preferences

• Questions About Activities and Purposes

25. Questions with Conditionals

• Questions with Zero Conditional

• Questions with First Conditional

• Questions with Second Conditional

• Questions with Third Conditional

• Questions with Mixed Conditionals

• Questions with If

• Questions with Unless

• Questions with What If

• Hypothetical Questions

• Counterfactual Questions

• Conditional Questions with Modals

• Questions with Conditional Inversion

• Conditional Questions in Formal English

26. Questions in Passive Voice

• Passive Yes/No Questions

• Passive Wh-Questions

• Passive Questions in Simple Tenses

• Passive Questions in Continuous Tenses

• Passive Questions in Perfect Tenses

• Passive Questions with Modal Verbs

• Passive Questions with By

• Questions About Agents

• Questions About Actions and Processes

• Active-to-Passive Question Transformation

• Passive Questions in Formal Writing

27. Questions with Existential There

• Questions with Is There

• Questions with Are There

• Questions with Was There

• Questions with Were There

• Questions with Has There Been

• Questions with Have There Been

• Questions with Will There Be

• Questions with Could There Be

• Negative Existential Questions

• Existential Wh-Questions

• Questions About Quantity and Availability

28. Questions with Have, Have Got, and Do

• Questions with Main Verb Have

• Questions with Auxiliary Have

• Questions with Have Got

• Questions with Do You Have

• Questions with Have You Got

• Questions About Possession

• Questions About Experience

• Questions About Obligation

• British vs. American English Usage

• Short Answers with Have and Do

29. Questions with Used To and Habitual Expressions

• Questions with Used To

• Questions with Did ... Use To

• Negative Questions with Used To

• Questions with Would for Past Habits

• Questions with Be Used To

• Questions with Get Used To

• Questions About Past Habits

• Questions About Present Habits

• Questions About Routines

• Habitual Questions with Frequency Adverbs

30. Questions About Quantity, Degree, and Measurement

• Questions with How Much

• Questions with How Many

• Questions with How Little

• Questions with How Few

• Questions with How Long

• Questions with How Far

• Questions with How High

• Questions with How Deep

• Questions with How Wide

• Questions with How Heavy

• Questions with How Fast

• Questions with How Often

• Questions with How Much More

• Questions with To What Extent

• Questions About Comparisons and Measurements

31. Questions with Comparatives and Superlatives

• Comparative Questions

• Superlative Questions

• Questions with Which Is Better

• Questions with Who Is Taller

• Questions with What Is the Best

• Questions with Which Is More

• Questions with How Much ... Than

• Questions with How Many More

• Questions with As ... As

• Questions About Similarities

• Questions About Differences

• Questions About Preferences and Rankings

32. Questions with Quantifiers and Determiners

• Questions with Some and Any

• Questions with Much and Many

• Questions with Few and A Few

• Questions with Little and A Little

• Questions with All

• Questions with Both

• Questions with Either

• Questions with Neither

• Questions with Each

• Questions with Every

• Questions with Enough

• Questions with Several

• Questions with Which

• Questions with Whose

33. Questions with Pronouns

• Personal Pronouns in Questions

• Subject Pronouns in Questions

• Object Pronouns in Questions

• Possessive Pronouns in Questions

• Reflexive Pronouns in Questions

• Demonstrative Pronouns in Questions

• Indefinite Pronouns in Questions

• Interrogative Pronouns

• Reciprocal Pronouns in Questions

• Pronoun Reference in Questions

• Pronoun Agreement in Questions

34. Questions with Negation and Polarity

• Positive Polarity Questions

• Negative Polarity Questions

• Negative Polarity Items

• Questions with Any

• Questions with Ever

• Questions with Yet

• Questions with Already

• Questions with Still

• Questions with At All

• Questions with Nobody

• Questions with Nothing

• Questions with Never

• Double Negation in Questions

• Polarity-Sensitive Expressions

• Bias in Positive and Negative Questions

35. Elliptical and Shortened Questions

• Elliptical Questions

• Reduced Questions

• One-Word Questions

• Two-Word Questions

• Short Wh-Questions

• Questions Without Subjects

• Questions Without Auxiliary Verbs

• Questions Without Main Verbs

• Conversational Ellipsis

• Context-Dependent Questions

• Informal Spoken Question Forms

• Recovery of Omitted Information

36. Question Fragments

• Definition of Question Fragments

• Noun Phrase Questions

• Adjective Phrase Questions

• Adverb Phrase Questions

• Prepositional Phrase Questions

• Infinitive Phrase Questions

• One-Word Interrogatives

• Confirmation Fragments

• Clarification Fragments

• Fragments in Dialogue

• Fragment Questions vs. Complete Questions

37. Question Formation with Complex Sentences

• Questions with Main Clauses

• Questions with Subordinate Clauses

• Questions with Noun Clauses

• Questions with Relative Clauses

• Questions with Adverbial Clauses

• Questions with Complement Clauses

• Questions with Coordinated Clauses

• Questions with Multiple Auxiliaries

• Questions with Complex Subjects

• Questions with Complex Objects

• Long-Distance Wh-Questions

• Questions with Multiple Clause Boundaries

• Question Formation in Complex Academic Sentences

38. Advanced Wh-Movement

• Wh-Fronting

• Wh-Movement

• Wh-Phrases

• Wh-Dependencies

• Wh-Gaps

• Long-Distance Wh-Movement

• Wh-Movement Across Clauses

• Wh-In-Situ Questions

• Multiple Wh-Questions

• Wh-Question Scope

• Constraints on Wh-Movement

• Island Constraints

• Wh-Extraction from Embedded Clauses

• Formal Syntactic Analysis of Wh-Questions

39. Multiple Questions and Question Coordination

• Multiple Wh-Questions

• Questions with Two Interrogative Words

• Coordinated Yes/No Questions

• Coordinated Wh-Questions

• Questions with And

• Questions with Or

• Combined Questions

• Sequential Questions

• Follow-up Questions

• Complex Question Sequences

• Question Coordination in Conversation

40. Intonation and Pronunciation of Questions

• Rising Intonation

• Falling Intonation

• Rise–Fall Intonation

• Fall–Rise Intonation

• Intonation in Yes/No Questions

• Intonation in Wh-Questions

• Intonation in Alternative Questions

• Intonation in Tag Questions

• Intonation in Rhetorical Questions

• Intonation in Echo Questions

• Stress in Questions

• Emphatic Stress

• Rhythm in Spoken Questions

• Connected Speech in Questions

• Pragmatic Meaning of Intonation

41. Punctuation and Capitalization in Questions

• Use of Question Marks

• Capitalization of Interrogative Sentences

• Question Marks in Direct Questions

• Punctuation in Indirect Questions

• Question Marks with Quotation Marks

• Question Marks with Parentheses

• Question Marks in Reported Speech

• Punctuation in Tag Questions

• Commas in Question Tags

• Multiple Questions in One Sentence

• Questions in Titles and Headings

• Question Marks in Academic Writing

42. Questions in Everyday Communication

• Greetings and Introductions

• Asking for Personal Information

• Asking for Directions

• Asking for Time

• Asking for Dates

• Asking About Prices

• Asking About Locations

• Asking About Availability

• Asking About Preferences

• Asking for Help

• Asking for Permission

• Asking for Advice

• Asking for Clarification

• Asking for Confirmation

• Asking for Opinions

• Asking About Future Plans

43. Questions in Academic English

• Research Questions

• Analytical Questions

• Descriptive Questions

• Comparative Questions

• Evaluative Questions

• Interpretive Questions

• Explanatory Questions

• Critical-Thinking Questions

• Hypothesis-Testing Questions

• Evidence-Based Questions

• Questions in Academic Discussions

• Questions in Presentations

• Questions in Seminars

• Questions in Examinations

• Questions in Research Interviews

44. Questions in Professional and Formal Communication

• Questions in Job Interviews

• Questions in Business Meetings

• Questions in Professional Emails

• Questions in Customer Service

• Questions in Negotiations

• Questions in Surveys

• Questions in Reports

• Questions in Formal Presentations

• Questions in Consultations

• Questions in Workplace Discussions

• Diplomatic Questions

• Formal Requests for Information

45. Pragmatics and Functions of Questions

• Information-Seeking Questions

• Confirmation-Seeking Questions

• Clarification-Seeking Questions

• Permission-Seeking Questions

• Request Questions

• Suggestion Questions

• Offer Questions

• Invitation Questions

• Persuasive Questions

• Challenging Questions

• Leading Questions

• Loaded Questions

• Presuppositions in Questions

• Politeness Strategies

• Social and Cultural Context

• Questions as Speech Acts

46. Common Errors in Question Formation

• Incorrect Word Order

• Incorrect Auxiliary Usage

• Missing Auxiliary Verbs

• Unnecessary Auxiliary Verbs

• Incorrect Subject–Auxiliary Inversion

• Incorrect Do-Support

• Incorrect Tense Formation

• Incorrect Modal Verb Usage

• Incorrect Negative Questions

• Incorrect Tag Questions

• Incorrect Embedded Question Word Order

• Incorrect Preposition Placement

• Incorrect Subject–Verb Agreement

• Incorrect Question Words

• Incorrect Punctuation

47. Transformation of Questions

• Statement to Yes/No Question

• Statement to Wh-Question

• Statement to Negative Question

• Statement to Tag Question

• Direct Question to Indirect Question

• Direct Question to Reported Question

• Active Question to Passive Question

• Passive Question to Active Question

• Simple Question to Complex Question

• Formal Question to Informal Question

• Informal Question to Formal Question

• Positive Question to Negative Question

• Subject Question to Object Question

• Question Rewriting Without Changing Meaning

48. Special and Advanced Interrogative Constructions

• Cleft Questions

• Pseudo-Cleft Questions

• Focused Questions

• Emphatic Questions

• Exclamatory Questions

• Questions with What on Earth

• Questions with Who Ever

• Questions with Why on Earth

• Questions with How Come

• Questions with What If

• Questions with Why Not

• Questions with How About

• Questions with What About

• Questions with Suppose

• Questions with Imagine

• Questions with Isn't It True That

• Alternative Question Structures

49. Question–Answer Relationships

• Appropriate Answers to Yes/No Questions

• Appropriate Answers to Wh-Questions

• Short Answers

• Full-Sentence Answers

• Positive Answers

• Negative Answers

• Answers to Negative Questions

• Answers to Tag Questions

• Answers to Alternative Questions

• Answers to Rhetorical Questions

• Indirect Answers

• Elaborated Answers

• Non-Answers and Evasive Answers

• Answer Relevance and Completeness

• Question–Answer Agreement

50. Practice, Assessment, and Mastery

• Identifying Interrogative Structures

• Classifying Types of Questions

• Forming Yes/No Questions

• Forming Wh-Questions

• Forming Negative Questions

• Forming Tag Questions

• Forming Indirect Questions

• Forming Embedded Questions

• Transforming Statements into Questions

• Correcting Grammatical Errors

• Completing Incomplete Questions

• Rearranging Words to Form Questions

• Multiple-Choice Question Exercises

• Gap-Filling Exercises

• Question–Answer Matching

• Dialogue Completion

• Spoken Question Practice

• Written Question Practice

• Academic Question Formation

• Advanced Interrogative Structure Analysis

Summary of the Syllabus

Major topics: 50

Subtopics: 600+

Coverage: A1–C2

Suggested learning sequence

• Beginner (A1–A2): Topics 1–8, 9–11, 41–42

• Intermediate (B1–B2): Topics 12–17, 21–23, 27–33, 46–47

• Advanced (C1–C2): Topics 18–20, 24–26, 34–40, 43–45, 48–49

Review and assessment, Topic 50, alongside practice throughout the syllabus

This syllabus provides a comprehensive foundation for studying English interrogative grammar, from elementary question formation to advanced syntactic structures, academic communication, and linguistic analysis.