Teaching students how to avoid common preposition mistakes is a key part of building accurate grammar and natural-sounding English. Here’s a practical guide for how to recognize, teach, and correct prepositional errors.
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📌 Why Preposition Mistakes Happen
Prepositions are small words (in, on, at, to, for, of) but carry big meaning. They’re often tricky for learners because:
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They don’t always translate directly from other languages 
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One preposition can have many meanings 
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Prepositions often follow fixed patterns (e.g., interested in, good at) 
Understanding how and why students make these errors helps teachers plan better instruction.

🧑🏫 How to Teach Students to Avoid Preposition Mistakes
1. Focus on High-Frequency Errors
Start by identifying the most common mistakes. Some examples:
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❌ I’m good in English → ✅ I’m good at English 
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❌ She depends of her friends → ✅ She depends on her friends 
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❌ He is married with a doctor → ✅ He is married to a doctor 
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❌ I arrived to school late → ✅ I arrived at school late 
✅ Tip: Create a “Top 10 Preposition Mistakes” board in class.
2. Teach Prepositions in Chunks
Instead of teaching prepositions alone, teach them as part of phrases:
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interested in, afraid of, good at, listen to, talk to, arrive at This helps students remember them more naturally. 
✅ Use visuals and context to support understanding.
3. Compare and Contrast
Use side-by-side examples to show correct and incorrect usage:
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He lives in Canada vs. He lives on Canada ❌ 
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We met at 5 PM vs. We met on 5 PM ❌ 
✅ Activity: “Correct the mistake” sentences
4. Use Contextual Practice
Give students real-life situations to use prepositions:
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Talking about time and place: in the morning, at the park, on Monday 
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Describing relationships: married to, angry with, interested in 
✅ Role-plays and sentence-completion games work well here.
5. Highlight Fixed Phrases and Collocations
Some verbs, adjectives, and nouns require specific prepositions:
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responsible for, afraid of, rely on Teach these as chunks, and encourage memorization through repetition and use. 
✅ Create preposition “families” with mind maps.
6. Error Correction with Sensitivity
When students make mistakes:
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First, check if the meaning is still clear 
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Gently reformulate the sentence 
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Ask guided questions: “Do we say ‘interested on’ or ‘interested in’?” 
✅ Use peer editing and group work to review errors together.
🛠️ Extra Teaching Tips
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Use games like Preposition Bingo, Correct or Incorrect, or Preposition Jeopardy 
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Keep a preposition wall or chart for common expressions 
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Encourage students to keep a personal “Preposition Notebook” 
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📅 LESSON PLAN: Preposition Mistakes
Level: Intermediate ESL
Time: 45–60 minutes
Focus: Grammar (Prepositions), Error Correction, Collocations
Objectives
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Recognize and correct common preposition mistakes 
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Use common preposition + verb/adjective/noun collocations accurately 
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Practice in context through sentence correction and communication tasks 
Materials
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Preposition mistake worksheet (included) 
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Preposition error list (included) 
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Whiteboard or digital projector 
Warm-Up (5 mins)
Ask students: “Which prepositions are the hardest for you?” Write answers on the board.
Presentation (10 mins)
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Show 3–5 incorrect example sentences on the board (from the error list) 
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Ask students to identify and correct them 
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Explain common confusion patterns (e.g., L1 transfer, false friends) 
Guided Practice (15 mins)
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Work through Part A and B of the worksheet as a class 
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Emphasize memorizing common collocations (e.g., interested in, married to) 
Pair Work (10 mins)
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Students complete Part C in pairs (short dialogue correction) 
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Then act out or read their corrected version 
Wrap-Up (5 mins)
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Review tricky examples from the worksheet 
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Assign one preposition phrase for each student to teach the class tomorrow 
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WORKSHEET: Fixing Preposition Mistakes
Part A: Correct the Mistakes
Correct the incorrect prepositions in these sentences.
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I’m good in cooking. 
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We arrived to the airport late. 
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She’s married with a dentist. 
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He’s afraid about spiders. 
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They talked about the phone. 
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I depend of my sister. 
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This book is full from mistakes. 
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I dreamt on winning the lottery. 
Part B: Match the Verb/Adjective with the Correct Preposition
Match each phrase correctly.
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Interested ___ 
 a. on b. in c. for
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Angry ___ 
 a. with b. of c. to
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Rely ___ 
 a. to b. on c. for
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Afraid ___ 
 a. at b. from c. of
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Responsible ___ 
 a. for b. in c. of
Part C: Fix the Dialogue
Fix the preposition mistakes in the dialogue.
A: Are you married with someone?
B: No, I’m married at my job. Haha.
A: I’m interested on starting a new course.
B: Really? What course are you good in?
Write the corrected version:
❌ COMMON PREPOSITION ERROR LIST
| Incorrect Sentence | Correct Version | 
|---|---|
| I’m good in math. | I’m good at math. | 
| She arrived to the party late. | She arrived at the party late. | 
| He’s married with a nurse. | He’s married to a nurse. | 
| I depend of my parents. | I depend on my parents. | 
| She’s afraid about the dark. | She’s afraid of the dark. | 
| It depends of the weather. | It depends on the weather. | 
| I’m interested on history. | I’m interested in history. | 
| Talk about the phone. | Talk on the phone. | 
| Responsible of the project. | Responsible for the project. | 
Teacher Tip: Create flashcards with common collocations (e.g., good at, afraid of) and quiz students in pairs!

