UNIT 1: Infinitive with to…Infinitive without to
1.It is easy (be) wise after the event. 2.Do you (wish) (make) a complaint? 3.We don’t (want) anybody (know) that we are here. 4.IF you can’t (remember) his number you’d better (look) it up. 5.I want her (learn) Esperanto; I think everybody ought to (know) it. 6.He is said (be) the best surgeon in the country. 7.Visitors are asked (not feed) the animals. 8.Could I (see) Mr Pitt, please? I’m afraid Mr Pitt isn’t in. Would you like (speak) with his secretary? 9.It’d better (travel) hopefully than (arrive). 10.He should (know) how (use) the film projector, but if he doesn’t you had better (show) him. 11.He was made (sign) a paper admitting his guilt. 12.I heard the door (open) and saw the shadow (move) across the floor. 13.He tried (make) me (believe) that he wasn’t my stepmother. 14.As we seem (have missed) the train we may as well (go) back to the house. 15.I felt the house (shake) with the explosion. 16.He told me (try) (come) early. 17.Before he let us (go) he made us (promise) (not tell) anyone what we had seen. 18.Would you (like) (come) in my car?  No, thanks, I’d rather (walk). 19.I advised him (ask) the bus conductor (tell) him where (get) off. 20.It is better (put) your money in a bank than (keep) in under your bed is an old stocking. 21.He doesn’t even bother (read) letters, let alone (answer) them. 22.The bank robbers made the cashier (show) them how (open) the safe. 23.If you knew he was wrong, why didn’t you (say) something?I didn’t like him (say) anything because he always gets angry if you contradict him. 24.It’s better (be) to sure than sorry. 25.What do you (want0 me (tell) him? Tell him that any time he cares (call) I shall be delighted (discuss) the matter with him. 26.Did you remember (give) him the money? No, I didn’t. I still have it in my pocket; but I’ll (see) him tonight and I promise (not forget) this time. 27.I saw the driver (open) his window and (throw) a box into the bushes. 28.This is far too heavy for one person (carry); let me (help) you. 29.I was afraid (pick) up the revolver as I don’t know how (handle) firearms. 30.I saw the plane (crash) into the hill and (burst) into flames. 
1.It is easy (be) to be wise after the event. 2.Do you (wish)wish to make (make) a complaint? 3.We don’t want (want) anybody to know(know) that we are here. 4.IF you can’t remember (remember) his number you’d better look(look) it up. 5.I want her to learn (learn) Esperanto; I think everybody ought to know(know) it. 6.He is said to be(be) the best surgeon in the country. 7.Visitors are asked not to feed(not feed) the animals. 8.Could I see (see) Mr Pitt, please? I’m afraid Mr Pitt isn’t in. Would you like to speak(speak) with his secretary? 9.It’d better travel(travel) hopefully than (arrive). 10.He should know(know) how to use(use) the film projector, but if he doesn’t you had better show(show) him. 11.He was made to sign(sign) a paper admitting his guilt. 12.I heard the door open(open) and saw the shadow move(move) across the floor. 13.He tried to make(make) me believe(believe) that he wasn’t my stepmother. 14.As we seem to have missed(have missed) the train we may as well to go (go) back to the house. 15.I felt the house shake(shake) with the explosion. 16.He told me try(try) to come(come) early. 17.Before he let us go(go) he made us