Infinitives

INFINITIVE The present infinitive has two forms 1.the to-infinitive = to + base verb (to run) (Infinitive with to) 2.the zero infinitive = base verb (run) (Infinitive without to)

INFINITIVE WITH TO 1. Act as noun Subject  To dance is my passion.  To learn a new language is helpful.  To play with fire is dangerous.  To act like that is not nice.

INFINITIVE WITH TO 1. Act as noun Complement  To teach is to share.  Her job is to assist you.  My dream is to open a business.

INFINITIVE WITH TO 1. Act as noun Object  She wants to learn Italian.  Chanatip loves to play football.  He hopes to see me.  I intend to finish my homework before 4 pm.

INFINITIVE WITH TO(2) 2. Act as adjective  My desire to win is strong.  I will bring the book to read.  I told you to wait!  He wants me to leave.

INFINITIVE WITH TO(3) 3. Act as adverb  We must study to learn.  I want to learn to sing.  I’m going to store to buy some snacks.  It’s hard to decide.

INFINITIVE WITHOUT TO We also use the infinitive without to after… ▪ feel watch Help me find my ring. ▪ Help see Let me go, please. ▪ hear let Don’t make me cry. ▪ make ▪ would rather had better

INFINITIVE WITHOUT TO(2) Use after the auxiliary (verb to do) or Modal Verb (will, would, should, can, could, may, might, must)  I can swim.  You should go now.  I can play the guitar.  Tom will go to London next week.

Exercise 1 1. The children need a garden_____(play) in. 2. We have _____(do) our homework. 3. My little sister learns _____(speak). 4. They want ____(go) to the cinema. 5. I tried____(do) it again. 6. I promise___(go) with you. 7. It’s glad____(hear) that. 8. She planned_____(leave) tomorrow. 9. It’s very hard____(win) this game. 10.You’d better_____(go) to the hospital.

Exercise 2 1. You must _____(stay) at home. 2. I will______(help) you. 3. He cannot______(see) us. 4. You should ______(ask) your parents. 5. I'd like _____(have) a dog. 6. May we ______(come) in? 7. I hear the bird_____(sing). 8. Did you______(hear) a noise? 9. We really do____(apologize) for the mistake. 10. I would______(buy) it if I had money.

Exercise 3 1.You must_____(drive) on the left side of the road in Thailand. 2. I saw him_______(walk) across the road. 3. We came here_____(work), not______(play). 4. I don’t feel_________(confident) when I speak English. 5. She can_________(sleep) in the guest room tonight. 6. Did you remember______(post) the letter to your mother? 7. He lets us_______(use) some of his land to grow vegetables. 8. I told him about the plan_______(surprise) her. 9. He just wants everyone____(be) happy. 10. She made us_______(wait) for half an hour.