Adjectives and prepositions
Use common adjective-preposition patterns such as interested in, good at and responsible for.
Learning goal: Adjectives and prepositions
Choose the required preposition after frequent adjectives.
Level and focus
Level: B1
Category: Complementation
Use common adjective-preposition patterns such as interested in, good at and responsible for.
By the end of this lesson, learners should be able to: Choose the required preposition after frequent adjectives.
Core idea
This lesson focuses on one clear grammar job. Learners should first recognise the pattern in short examples, then use it in controlled sentences, and only later combine it with other grammar.
Pattern
Form
adjective + preposition: interested in, good at, afraid of, responsible for, similar tobe + adjective + preposition + noun/-ing
Meaning and use
Use this grammar when the sentence needs the meaning described in the lesson goal. At this level, accuracy is more important than stylistic variety. Keep examples short, concrete and close to everyday communication before moving to longer texts.
Examples
Examples
- She is interested in art.
- He is good at explaining things.
- We are responsible for the report.
- This answer is similar to mine.
Watch out
Common mistakes
- Using Spanish-influenced prepositions: not
married with; usemarried to. - Using infinitive after a preposition: not
interested in learn; useinterested in learning. - Changing the preposition without changing meaning: not
good in English; usegood at English.
Teaching sequence
- Show the pattern with two or three very short examples.
- Contrast the correct form with one common error.
- Let learners complete controlled examples.
- Ask learners to produce their own short sentence.
- Finish with a mixed review item so they distinguish this point from neighbouring grammar.
Boundary: what not to cover here
Keep noun + preposition patterns for B2 unless using them only as contrast.
Suggested practice
Start with recognition, then controlled completion, then sentence rewriting or ordering where appropriate. Keep distractors close enough to test the grammar point, but avoid trick options that require vocabulary beyond the level.
Self-check
Quick check
Before you move on, can you explain the rule in one sentence and make one example of your own?
Put it into practice
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