For + a noun or object pronoun often precedes the infinitive as its subject.
Not is used before the infinitive to form the negative
Passive infinitives are formed by using to be and the past participle of the main verb.
Exercise 1 Complete the questions. Use do you want me to...? or would you like me to...? with one of these verbs (+ any other necessary words): come, lend, repeat, show, shut, wait
1 Do you want to go alone or do you want, me to come with you?
2 Have you got enough money or do you want ________.
3 Shall I leave the window open or would you _________.
4 Do you know how to use the machine or would ______.
5 Did you hear what I said or do __________.
6 Can I go now or do _____________.
Exercise 2 Complete these sentences so that the meaning is similar to the first sentence.
1 My father said I could use his car. My father allowed me to use his car.
2 I was surprised that it rained. I didn't expect ________.
3 Don't stop him doing what he wants. Let __________.
4 He looks older when he wears glasses. Glasses make _________.
5 I think you should know the truth. I want ___________.
6 Don't let me forget to phone my sister. Remind _________.
7 At first I didn't want to apply for the job but Sarah persuaded me.
Sarah persuaded __________.
8 My lawyer said I shouldn't say anything to the police.
My lawyer advised ___________.
9 I was told that I shouldn't believe everything he says.
I was warned ______________.
10 If you've got a car, you are able to travel round more easily.
Having a car enables __________.
Exercise 3 Forms of Infinitives. Complete the following by using either active or passive infinitive forms of the verbs in parentheses. Be sure to include negatives or subjects when indicated.
Clark: What a stressful day. You need ______to take (take) a vocation.
You certainly look tired. Of course, you don't need _____ (tell) that, I suppose.
Lois: This story had ______ (finish) by 10:00. In order _____ (I / finish) it on time, I had _____ (stay) up all night last night. It would be terrific _____ (have / not) _____ (work) for the rest day.
Clark: Wouldn’t it be great _____ (take) a month off? It would be nice _____ (do) nothing but relax.
Lois: It would be nicer _______ (the boss give) us a raise. Then, I wouldn't have _____ (work) so much. Well, it's easy ______ (dream) isn't it?
Infinitive or -ing form?
Verb + to-infinitive
We usually use to-infinitive after verbs which express plans, decisions, expectations and commitments (ideas about actions which follow).