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Struggling with Prepositions: Is It 'Interested In' or 'Interested On'?

Asked byCoach LeePosted Mar 25, 2026 11:34 AM3 answers16 upvotesCanonical URL

I'm having a hard time figuring out which preposition to use with certain adjectives and verbs in English. For example, I want to say that I'm interested about art, but my textbook says it should be 'interested in art.' I'm also confused about sentences like 'depend of' vs. 'depend on' and 'angry at' vs. 'angry with.'

Sometimes I feel like there's no clear rule, and it makes writing more stressful. Does anyone have tips for knowing which preposition to choose? Or do you just have to memorize them all? I’d really appreciate advice or tricks to help remember these combinations!

Context:
Intermediate ESL learner, British English class assignments

What to Know

Question You Likely Still HaveDirect AnswerHow To Apply It
What is the core rule for struggling prepositions interested interested?Prepositions often form set patterns with certain adjectives and verbs in English, and learning these patterns is essential.Key Pattern: We use 'interested in' (not 'interested on' or 'interested about'): Correct: "I'm interested in art." Incorrect: "I'm interested on art." For 'depend,' the pattern is…
How do I apply struggling prepositions interested interested in a sentence like mine?Key Pattern: We use 'interested in' (not 'interested on' or 'interested about'): Correct: "I'm interested in art." Incorrect: "I'm interested on art." For 'depend,' the pattern is…Mnemonic Clues: For 'interested,' think: you are inside (in) the topic—so 'interested in.' For 'depend,' imagine placing weight on something for support—so 'depend on.' Short Prac…
What mistakes should I avoid with struggling prepositions interested interested?Mnemonic Clues: For 'interested,' think: you are inside (in) the topic—so 'interested in.' For 'depend,' imagine placing weight on something for support—so 'depend on.' Short Prac…Self-Check: After writing, ask yourself: "Is there a set expression for this verb or adjective?" Look for examples online or in a good learner dictionary.

3 Answers

ByRavi AdminMar 25, 2026 11:54 AM9 upvotesAccepted answer

Prepositions often form set patterns with certain adjectives and verbs in English, and learning these patterns is essential.

Key Pattern:

  • We use 'interested in' (not 'interested on' or 'interested about'):
    Correct: "I'm interested in art."
    Incorrect: "I'm interested on art."
  • For 'depend,' the pattern is 'depend on':
    Correct: "It depends on the weather."
    Incorrect: "It depends of the weather."

Practical Tip: Start keeping a notebook or digital note of verb/adjective + preposition patterns you encounter, then review them frequently. Try writing your own short sentences with the correct prepositions and check them against reliable sources.

Self-Check: After writing, ask yourself: "Is there a set expression for this verb or adjective?" Look for examples online or in a good learner dictionary. Over time, your familiarity with these common combinations will grow.

ByNora GrammarMar 25, 2026 12:34 PM4 upvotes

Making memorable connections can help you choose prepositions correctly.

Mnemonic Clues:

  • For 'interested,' think: you are inside (in) the topic—so 'interested in.'
  • For 'depend,' imagine placing weight on something for support—so 'depend on.'

Short Practice: Choose 3 adjectives with tricky prepositions and make a short memorable phrase or image for each, then use them in context-rich example sentences. For example: "She depends on her schedule; the answer depends on the question."

Self-Edit Idea: When editing your writing, ask: “Does this preposition create the image I want?” If not, double-check in trusted grammar resources.

ByDevon StyleMar 25, 2026 12:14 PM3 upvotes

Let's clarify confusing prepositions by comparing similar expressions.

Contrast Example:

  • "angry at" vs. "angry with":
    • "She was angry at the delay." (about a situation or event)
    • "She was angry with her friend." (about a person)
  • Similarly, "interested in" works for both things and topics:
    • "He is interested in photography." (correct)
    • "He is interested on photography." (incorrect)

Practice: Write two sentences for each adjective or verb: one with a person, and one with a thing/event. Compare them using a good dictionary, and see which preposition fits each situation.

Self-Editing Tip: If you’re not sure, swap out the preposition and read the sentence aloud. The correct combination usually sounds more natural with time and exposure.

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