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.

1. He admitted cheating on the test.

2. Playing chess is boring.

3. I promise to help you finish the project.

Fill the gaps with infinitive or gerund of the verb in brackets.

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