The Impossible Rule
The Three Categories
Verb + Gerund Only
Enjoy, avoid, mind, finish, suggest, consider, keep, practice, imagine. Memory trick: 'MEGA FICS' (Mind, Enjoy, Give up, Avoid/Admit, Finish, Imagine, Consider, Suggest).
Verb + Infinitive Only
Want, decide, hope, plan, promise, refuse, learn, agree, offer, manage. These tend to relate to future intention or willingness.
Both (Sometimes Different Meaning)
'I stopped smoking' (quit the habit) vs. 'I stopped to smoke' (paused in order to smoke). 'I remember locking the door' (I recall doing it) vs. 'I remember to lock the door' (I don't forget). These dual-use verbs are B2+ material.
Teacher Tip
“Teach the 10 most common gerund-only verbs and the 10 most common infinitive-only verbs as vocabulary items with example sentences. Students learn 'enjoy + -ing' as a fixed chunk, the way they learn 'depend on' — as a partnership, not a rule application. Use sentence completion activities where students finish sentences about themselves: 'I enjoy ___', 'I want ___', 'I avoid ___'. Personal content aids retention.”
Frequently Asked Questions
How do I teach gerunds and infinitives to ESL students?
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Don't teach a rule — teach high-frequency verb patterns as chunks. Group the 10 most common verbs that take gerunds (enjoy, avoid, mind, finish...) and the 10 most common that take infinitives (want, decide, hope, plan...). Practice with personalized sentence completion. Treat gerund/infinitive selection as vocabulary, not grammar.
Is there a rule for when to use gerund or infinitive?
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No reliable rule exists. Attempted explanations (gerunds for 'real/current', infinitives for 'future/hypothetical') break down with too many exceptions to be useful. The most efficient approach is learning verb + gerund/infinitive combinations as fixed patterns, similar to learning irregular verbs.
When should I teach gerunds and infinitives?
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Introduce the most common patterns at B1 (enjoy + -ing, want + to). Teach the full range of verbs at B2. Introduce meaning-change verbs (stop, remember, try) at B2-C1. Don't introduce all three categories simultaneously — it's overwhelming. Build gradually over multiple lessons.