5-4 Trips

Hello my friends.

It’s time to come back to works with verbs. Sometimes exist two ways of write a verb to get the same meaning; an example is the use of the infinitive. We’ll see the two ways to express the Infinitive form.


An infinitive is the simple present form of a verb used as either a noun, adjective, or adverb. The verb of the infinitive is normally preceded by the word to. When the infinitive follows some verbs as the direct object, the “to”  may be dropped.

An infinitive phrase is the infinitive plus any complements and any modifiers of the infinitive and complements.

  • As a Noun: He helped to write the program.
  • As an Adjective: Lydia was looking for a way to earn money.
  • As an Adverb: He shouted to get our attention.
  • To Dropped: He helped write the program.

In the above examples, the infinitive is italicized and the infinitive phrase is underlined.

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

  • 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.

When to use -ing

  • The -ing form is used when the word is the subject of a sentence or clause:
    • Swimming is good exercise.
  • The -ing form is used after a preposition:
    • I look forward to meeting you.
  • The -ing form is used after certain verbs:
  • – avoid, dislike, enjoy, finish, give up, mind/not mind, practice
    • dislike getting up early.

It’s useful to learn all this ways to express the infinitive, so try to learn them.

Keep studying and See you next time.

Source: 1, 2, 3



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