Infinitives and Gerunds
Infinitives are the base form of a verb (the verb doesn’t change).
Gerunds are the -ing form of a verb.
In this lesson, you’ll learn the difference and practise using each.
How to use infinitives and gerunds?
Infinitives
- Infinitives are verb forms to act as nouns, adjectives or adverbs.
- Use ‘to + verb’
- Use infinitives after certain verbs, such as; decide, agree, expect, hope, plan, promise, refuse, want. E.g. I want to go on holiday.
- Use infinitives after adjectives. E.g. It’s easy to cook pasta.
- Use infinitives to show why you do something (purpose). E.g. I am going to the shop to buy some milk.
Gerunds
- Gerunds are -ing form of verbs that act as nouns, adjectives or adverbs.
- Use ‘verb-ing’
- Use gerunds after certain verbs, such as; deny, enjoy, consider, avoid, finish, imagine, mind, miss, suggest. E.g. I suggest talking to him.
- Use gerunds after prepositions. E.g. Before leaving the house, I need to put my shoes on.
- Use gerunds to function as nouns at the beginning of sentences. E.g. Swimming is a lot of fun.
Examples
He admitted cheating on the test.
Playing chess is boring.
I promise to help you finish the project.
Practise
Fill the gaps with infinitive or gerund of the verb in brackets.
Common mistakes learners make
- Using the wrong infinitive or gerund after certain verbs
- Forgetting gerunds come after prepositions
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