Page 135 - Oxford_English_Grammar_Course_Basic_2015

infinitives: using to I want to go. Must you go?

We usually put to with infinitives.

I want to go home. (NOT / want go home.) It's important to get enough sleep.
I telephoned my sister to say sorry.
But we use infinitives without to after do/does/did in questions and negatives (see pages 104 and 113).

Does John speak Russian? (NOT Does John to speak.. r?) I didn't understand.
We also use infinitives without to after modal verbs {can, could, may, might, will, would, shall, should,
must-see Section 6).

I can't swim. (NOT / can't to swim.) Must you go now? We should find a hotel.

Put in to or nothing (-).

► 1 don't want .......stay at school. 4 It may......... snow this weekend.

► What time does the train ........ leave? 5 1must........, remember........phone Andy.
1 Do you........play golf? 6 Do w e...... . have........buy petrol?
2 It's nice........be at home again. 7 Jane seems ........be tired today.

3 Sorry - 1 can't........help you. 8 1hope....... . see you again soon.

^ Put in words from the box, with or without to.

ask/ buy go hear help learn lend / see send stop

► I'm writing ......... ...........for your help. 4 Where did you........ ..................... those boots?
► Can you ............... .... me some money? 5 1 expect.................. .........from my family soon.

1 Maria went to America .... ....................English. 6 1don't want........... ..............................by bus.
2 Can you.......................... me with the cooking? 7 1 must.................... ............ Tom some money.
3 I'd like............................. ... you for a moment. 8 You really should .... ............................smoking.

We make negative infinitives with not (to) + verb.
Try not to forget your keys. (NOT... to not forget...) Be careful not to wake Paul up.
I told you not to telephone me here. I'm sorry not to stay longer.
The company did not make any money last year. You must not park in front of the school.

^ Put in not to with infinitives from the box.

break go to sleep have have laugh/ make play see talk tell wake

► PI63S6 try t o Lflu.0 k .... when David sings.
1 It's nice............................ . a headache any more.
2 Be careful........................ .... those glasses.
3 Please try ......................... .... in the lessons.
4 Tell the children............... ............... so much noise.

5 I'd like.............................. so much work.
6 Hannah must learn.......... ....................about herself all the time.
7 Remember...................... ......me up tomorrow morning.
8 It's important................... ..........Sheila about Peter and Sandra.
9 We'll be sorry................... .........you tomorrow.
10 Please tell Amir............... ..............the trumpet after midnight.

120 INFINITIVES AND -ING FORMS