A preposition is a word or group of words that shows the relationship between a noun, pronoun, or noun phrase and another element in a sentence. Prepositions commonly express time, place, direction, movement, cause, purpose, means, and other relationships.
Examples: in, on, at, by, for, from, to, with, under, between, among, during, because of.
1.1. Definition of a Preposition
1.2. Functions of Prepositions
1.3. Importance of Prepositions in English Grammar
1.4. Prepositions in Sentence Structure
1.5. Prepositions and Their Objects
1.6. Prepositional Phrases
1.7. Prepositions vs. Adverbs
1.8. Prepositions vs. Conjunctions
1.9. Prepositions vs. Particles
1.10. Common Prepositions in Everyday English
2.1. Simple Prepositions
2.2. Compound Prepositions
2.3. Complex Prepositions
2.4. Multiword Prepositions
2.5. Two-word Prepositions
2.6. Three-word Prepositions
2.7. Participial Prepositions
2.8. Prepositional Expressions
2.9. Fixed Prepositional Combinations
2.10. Single-word vs. Multiword Prepositions
3.1. At — Specific Times
3.2. On — Days and Dates
3.3. In — Months, Years, and Periods
3.4. Before and After
3.5. During
3.6. Since
3.7. For — Duration
3.8. Until and Till
3.9. By — Deadlines
3.10. From ... To
3.11. Within
3.12. Throughout
3.13. Over — Periods of Time
3.14. Around and About — Approximate Times
3.15. Past — Clock Time
3.16. Between ... And — Time Intervals
3.17. In vs. Within
3.18. By vs. Until
3.19. Since vs. For
3.20. During vs. For
4.1. In — Enclosed Spaces
4.2. On — Surfaces
4.3. At — Specific Locations
4.4. Above and Below
4.5. Over and Under
4.6. Beneath and Underneath
4.7. Between
4.8. Among
4.9. Beside and Next To
4.10. Near and Close To
4.11. Behind
4.12. In Front Of
4.13. Opposite
4.14. Inside and Outside
4.15. Around
4.16. Along
4.17. Across
4.18. Beyond
4.19. Against
4.20. Within
5.1. To
5.2. From
5.3. Into
5.4. Onto
5.5. Out Of
5.6. Off
5.7. Through
5.8. Across
5.9. Along
5.10. Around
5.11. Up
5.12. Down
5.13. Over
5.14. Under
5.15. Towards and Toward
5.16. Past
5.17. Beyond
5.18. Away From
5.19. Into vs. In
5.20. Onto vs. On
6.1. By — Method or Means
6.2. With — Instruments and Tools
6.3. In — Manner or Style
6.4. Like — Similarity
6.5. As — Role or Function
6.6. Through — Means or Process
6.7. Via — Route or Channel
6.8. Without — Absence
6.9. According To
6.10. By vs. With
7.1. For — Purpose
7.2. Because Of
7.3. Due To
7.4. Owing To
7.5. On Account Of
7.6. Thanks To
7.7. From — Cause or Origin
7.8. Through — Cause or Means
7.9. Out Of — Motivation
7.10. For the Sake Of
7.11. In Order To — Infinitive Construction
7.12. With a View To
7.13. For the Purpose Of
7.14. Due To vs. Because Of
7.15. Because vs. Because Of
8.1. By — Agent in Passive Voice
8.2. With — Instrument
8.3. Through — Agency or Means
8.4. By Means Of
8.5. With the Help Of
8.6. By vs. Through
8.7. Agent vs. Instrument
8.8. Prepositions in Passive Constructions
9.1. Of — Possession and Relationship
9.2. With — Association
9.3. Without — Lack or Absence
9.4. To — Relationship
9.5. Among — Membership
9.6. Between — Relationships
9.7. Belonging To
9.8. In Relation To
9.9. In Connection With
9.10. In Association With
10.1. From — Origin
10.2. Of — Material or Composition
10.3. Out Of — Material Used
10.4. With — Ingredients or Components
10.5. Derived From
10.6. Made Of vs. Made From
10.7. Made Of vs. Made Out Of
10.8. Origin vs. Source
11.1. Like
11.2. Unlike
11.3. As
11.4. Than — Comparative Constructions
11.5. Compared With
11.6. Compared To
11.7. In Comparison With
11.8. In Contrast To
11.9. Contrary To
11.10. As Opposed To
11.11. Despite
11.12. In Spite Of
11.13. Regardless Of
11.14. Despite vs. Although
11.15. Like vs. As
12.1. Of — Quantity
12.2. Per — Rate
12.3. By — Measurement or Difference
12.4. At — Rate or Price
12.5. For — Price or Exchange
12.6. About — Approximation
12.7. Around — Approximation
12.8. Over — Greater Than
12.9. Under — Less Than
12.10. Up To — Maximum Limit
12.11. Between — Numerical Range
12.12. From ... To — Numerical Range
12.13. In Excess Of
12.14. By the Amount Of
12.15. Prepositions with Percentages and Proportions
13.1. Except
13.2. Except For
13.3. Apart From
13.4. Aside From
13.5. Besides
13.6. Including
13.7. Excluding
13.8. Without
13.9. Other Than
13.10. But — Exception Usage
13.11. In Addition To
13.12. Except vs. Besides
14.1. About
14.2. On
14.3. Regarding
14.4. Concerning
14.5. With Regard To
14.6. With Respect To
14.7. In Relation To
14.8. In Terms Of
14.9. As For
14.10. As To
14.11. According To
14.12. On Behalf Of
14.13. In Reference To
14.14. Pertaining To
14.15. About vs. On
15.1. Noun + Preposition Combinations
15.2. Reason For
15.3. Cause Of
15.4. Effect On
15.5. Solution To
15.6. Answer To
15.7. Need For
15.8. Interest In
15.9. Increase In
15.10. Decrease In
15.11. Relationship Between
15.12. Difference Between
15.13. Advantage Of
15.14. Disadvantage Of
15.15. Access To
15.16. Contribution To
15.17. Demand For
15.18. Impact On
15.19. Evidence Of / Evidence For
15.20. Common Noun–Preposition Errors
16.1. Adjective + Preposition Combinations
16.2. Afraid Of
16.3. Interested In
16.4. Good At
16.5. Bad At
16.6. Famous For
16.7. Responsible For
16.8. Capable Of
16.9. Different From
16.10. Similar To
16.11. Proud Of
16.12. Worried About
16.13. Satisfied With
16.14. Dependent On
16.15. Aware Of
16.16. Familiar With
16.17. Suitable For
16.18. Married To
16.19. Related To
16.20. Common Adjective–Preposition Errors
17.1. Verb + Preposition Combinations
17.2. Listen To
17.3. Look At
17.4. Wait For
17.5. Depend On
17.6. Believe In
17.7. Belong To
17.8. Apologize For
17.9. Suffer From
17.10. Agree With
17.11. Agree To
17.12. Agree On
17.13. Apply For
17.14. Apply To
17.15. Concentrate On
17.16. Participate In
17.17. Recover From
17.18. Refer To
17.19. Search For
17.20. Common Verb–Preposition Errors
18.1. Definition of Phrasal Verbs
18.2. Phrasal Verbs vs. Prepositional Verbs
18.3. Verb + Adverbial Particle
18.4. Verb + Preposition
18.5. Verb + Particle + Preposition
18.6. Look After
18.7. Look For
18.8. Look Into
18.9. Get Over
18.10. Get Along With
18.11. Put Up With
18.12. Run Out Of
18.13. Come Across
18.14. Break Up With
18.15. Separable and Inseparable Phrasal Verbs
18.16. Transitive and Intransitive Phrasal Verbs
18.17. Literal vs. Idiomatic Meanings
18.18. Prepositional Objects in Multiword Verbs
19.1. Definition of a Prepositional Phrase
19.2. Structure of Prepositional Phrases
19.3. Preposition + Noun Phrase
19.4. Preposition + Pronoun
19.5. Preposition + Gerund
19.6. Adjective-like Prepositional Phrases
19.7. Adverb-like Prepositional Phrases
19.8. Prepositional Phrases as Complements
19.9. Prepositional Phrase Placement
19.10. Prepositional Phrase Modification
19.11. Multiple Prepositional Phrases
19.12. Prepositional Phrase Ambiguity
19.13. Prepositional Phrases in Complex Sentences
19.14. Prepositional Phrase Identification
19.15. Prepositional Phrase Reduction and Concision
20.1. Gerunds After Prepositions
20.2. Verb + Preposition + Gerund
20.3. Adjective + Preposition + Gerund
20.4. Noun + Preposition + Gerund
20.5. Interested In Learning
20.6. Good At Solving
20.7. Tired Of Waiting
20.8. Before Leaving
20.9. After Finishing
20.10. Without Asking
20.11. Instead Of Doing
20.12. Look Forward To Meeting
20.13. Object To Doing
20.14. Used To Doing vs. Used To Do
20.15. To as a Preposition vs. Infinitive Marker
21.1. Object Pronouns After Prepositions
21.2. Me vs. I After Prepositions
21.3. Him vs. He
21.4. Her vs. She
21.5. Us vs. We
21.6. Them vs. They
21.7. Between You and Me
21.8. Prepositions with Reflexive Pronouns
21.9. Prepositions with Relative Pronouns
21.10. Whom After Prepositions
21.11. Prepositions with Which
21.12. Preposition Stranding with Who and Whom
22.1. Prepositions Before Their Objects
22.2. Prepositions at the End of Sentences
22.3. Preposition Stranding
22.4. Preposition Fronting
22.5. Prepositions in Questions
22.6. Prepositions in Relative Clauses
22.7. Prepositions in Passive Constructions
22.8. Prepositions in Formal English
22.9. Prepositions in Informal English
22.10. Ending Sentences with Prepositions
22.11. Preposition Placement in Embedded Questions
22.12. Ambiguity Caused by Preposition Placement
23.1. In vs. On
23.2. In vs. At
23.3. On vs. At
23.4. In vs. Into
23.5. On vs. Onto
23.6. By vs. With
23.7. For vs. Since
23.8. During vs. While
23.9. By vs. Until
23.10. Between vs. Among
23.11. Beside vs. Besides
23.12. Above vs. Over
23.13. Below vs. Under
23.14. Across vs. Through
23.15. To vs. Towards
23.16. From vs. Of
23.17. About vs. On
23.18. Like vs. As
23.19. Despite vs. In Spite Of
23.20. Except vs. Except For
23.21. Among vs. Amid
23.22. Within vs. Inside
23.23. Opposite vs. In Front Of
23.24. Along vs. Across
23.25. Near vs. Next To
24.1. Prepositions for Daily Routines
24.2. Prepositions for Home and Family
24.3. Prepositions for School and Education
24.4. Prepositions for Work and Employment
24.5. Prepositions for Travel and Transportation
24.6. Prepositions for Shopping
24.7. Prepositions for Food and Restaurants
24.8. Prepositions for Health and Healthcare
24.9. Prepositions for Technology and the Internet
24.10. Prepositions for Social Relationships
24.11. Prepositions in Telephone Conversations
24.12. Prepositions in Emails and Messages
25.1. Prepositions in Academic Writing
25.2. Prepositions in Research Papers
25.3. Prepositions in Scientific Explanations
25.4. Prepositions in Data Interpretation
25.5. Prepositions in Graph Descriptions
25.6. Prepositions in Statistical Analysis
25.7. Prepositions in Mathematical Expressions
25.8. Prepositions in Physics Terminology
25.9. Prepositions in Laboratory Reports
25.10. Prepositions in Research Methodology
25.11. Prepositions in Literature Reviews
25.12. Prepositions in Discussions and Conclusions
25.13. Prepositions in Statements of Purpose
25.14. Prepositions in Scientific Presentations
25.15. Prepositions in Formal Academic Correspondence
26.1. High-frequency Academic Prepositions
26.2. Prepositions in TOEFL Reading
26.3. Prepositions in TOEFL Listening
26.4. Prepositions in TOEFL Speaking
26.5. Prepositions in TOEFL Writing
26.6. Prepositions in GRE Reading Comprehension
26.7. Prepositional Phrases in GRE Text Completion
26.8. Prepositions in GRE Sentence Equivalence
26.9. Logical Relationships Expressed by Prepositions
26.10. Cause-and-Effect Prepositions
26.11. Comparison-and-Contrast Prepositions
26.12. Common Prepositional Collocations
26.13. Preposition Accuracy in Academic Essays
26.14. Preposition Errors in Advanced Sentences
26.15. Contextual Preposition Practice
27.1. British vs. American Preposition Usage
27.2. At the Weekend vs. On the Weekend
27.3. In Hospital vs. In the Hospital
27.4. Different From, Different To, and Different Than
27.5. Write To vs. Write
27.6. Monday to Friday vs. Monday Through Friday
27.7. On a Team vs. In a Team
27.8. Prepositions in Regional Expressions
27.9. Formality and Register Differences
27.10. Acceptable Regional Variations
28.1. At Risk
28.2. At Least
28.3. At First
28.4. At Last
28.5. At Once
28.6. In Advance
28.7. In General
28.8. In Particular
28.9. In Fact
28.10. On Purpose
28.11. On Time
28.12. In Time
28.13. By Chance
28.14. By Accident
28.15. By Heart
28.16. Under Pressure
28.17. Under Control
28.18. Out Of Control
28.19. In Charge Of
28.20. In Favor Of
29.1. Incorrect Preposition Selection
29.2. Missing Prepositions
29.3. Unnecessary Prepositions
29.4. Redundant Prepositions
29.5. Incorrect Prepositions After Verbs
29.6. Incorrect Prepositions After Adjectives
29.7. Incorrect Prepositions After Nouns
29.8. Errors with Prepositions of Time
29.9. Errors with Prepositions of Place
29.10. Errors with Prepositions of Direction
29.11. Incorrect Preposition–Gerund Combinations
29.12. Incorrect Pronoun Case After Prepositions
29.13. Errors in Passive Constructions
29.14. Errors in Relative Clauses
29.15. Errors Caused by Literal Translation
29.16. Errors with Fixed Expressions
29.17. Errors in Academic Writing
29.18. Errors in Spoken English
29.19. Error Identification Exercises
29.20. Error Correction Strategies
30.1. Syntactic Functions of Prepositions
30.2. Semantic Roles of Prepositions
30.3. Prepositional Complementation
30.4. Prepositional Phrase Attachment
30.5. Prepositional Phrase Ambiguity
30.6. Argument vs. Adjunct Prepositional Phrases
30.7. Preposition Stranding in Complex Sentences
30.8. Pied-piping of Prepositions
30.9. Preposition Selection and Verb Valency
30.10. Prepositions in Relative Constructions
30.11. Prepositions in Nonfinite Clauses
30.12. Prepositions in Passive Constructions
30.13. Prepositional Collocations
30.14. Polysemy of Prepositions
30.15. Literal vs. Figurative Prepositional Meanings
30.16. Metaphorical Uses of Spatial Prepositions
30.17. Grammaticalization of Prepositions
30.18. Prepositions in Corpus Linguistics
30.19. Register-based Prepositional Variation
30.20. Prepositions in Contemporary English Usage
31.1. Preposition Identification Exercises
31.2. Fill-in-the-Blank Exercises
31.3. Multiple-Choice Questions
31.4. Matching Prepositions with Meanings
31.5. Sentence Completion
31.6. Sentence Transformation
31.7. Error Detection
31.8. Error Correction
31.9. Prepositional Phrase Identification
31.10. Preposition Collocation Exercises
31.11. Translation Exercises
31.12. Picture-based Preposition Exercises
31.13. Dialogue Completion
31.14. Paragraph Completion
31.15. Academic Writing Exercises
31.16. TOEFL-style Preposition Practice
31.17. GRE-context Vocabulary and Preposition Practice
31.18. Timed Grammar Quizzes
31.19. Mixed Preposition Tests
31.20. Comprehensive Preposition Assessment
Level, Topics, Learning focus
Beginner (A1–A2), 1–5, 21, Basic types, time, place, movement, and pronouns
Intermediate (B1–B2), 6–19, 22–24, Functions, combinations, phrasal verbs, and everyday usage
Advanced (C1–C2), 20, 25–30, Gerunds, academic usage, collocations, and complex syntax
Practice and revision, 31, plus review of 23 and 29, Exercises, commonly confused prepositions, and error correction
Note: These are study topics, not 31 mutually exclusive grammatical categories. Certain expressions may function differently depending on context, and some classifications vary between traditional and modern English grammars.
Total: 31 major topics and 438 subtopics covering introductory, intermediate, advanced, and academic uses of English prepositions.