Saturday, 2 February 2013

Verbs followed by gerunds

Infinitive or -ing?

Sometimes we need to decide whether to use a verb in its:
  • -ing form (doing, singing)
  • infinitive form (to do, to sing).
For example, only one of the following sentences is correct. Which one?
  • I dislike working late. (???)
  • I dislike to work late. (???)
When to use the infinitive

The infinitive form is used after certain verbs:
- forget, help, learn, teach, train
- choose, expect, hope, need, offer, want, would like
- agree, encourage, pretend, promise
- allow, can/can't afford, decide, manage, mean, refuse
  • I forgot to close the window.
  • Mary needs to leave early.
  • Why are they encouraged to learn English?
  • We can't afford to take a long holiday.
The infinitive form is always used after adjectives, for example:
- disappointed, glad, happy, pleased, relieved, sad, surprised
  • I was happy to help them.
  • She will be delighted to see you.
This includes too + adjective:
  • The water was too cold to swim in.
  • Is your coffee too hot to drink?
The infinitive form is used after adjective + enough:
  • He was strong enough to lift it.
  • She is rich enough to buy two.
When to use -ing

The -ing form is used when the word is the subject of a sentence or clause:
  • Swimming is good exercise.
  • Doctors say that smoking is bad for you.
The -ing form is used after a preposition:
  • I look forward to meeting you.
  • They left without saying "Goodbye."
The -ing form is used after certain verbs:
- avoid, dislike, enjoy, finish, give up, mind/not mind, practise
  • I dislike getting up early.
  • Would you mind opening the window?

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