8/12/2019 rlt_01_da_unit_4

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Grammar Ba

4A can / could(requests)

for things Can/CouldI havea cup of tea, please?

for permission to do something Can/CouldI openthe door, please?

for someone to do something Can/Couldyou help me, please?

Could I/Could you ? is more polite and formal thanCan I/Canyou ?

>> Now go to exercise 4.1 to practise.

4B present perfect with a present result

Use the present perfect to talk about something which happenedin the past, but has important results now.

past action present result

I / You / We / Theyve washedthe cups. The cups are clean now.

He / She / Its brokenthe computer. The computer doesnt work now.

To form the present perfect, use have/has+ a past participle.For a list of irregular past participles, see >> p.148.>> Now go to exercises 4.2and4.3 to practise.

4C present perfect+

?

+ (ve = have, s = has) (havent = have not,hasnt = has not)

?

I / You / We / Theyve fed

the dog.

I / You / We / They havent

fed the dog.

HaveI / you / we / they fed

the dog?He / She / Its washed thetowels.

He / She / It hasntwashedthe towels.

Hashe / she / it washedthe towels?

short answers

Yes, I / you / we / they have.Yes, he / she / it has.

No, I / you / we / they havent.No, he / she / it hasnt.

>> Now go to exercises 4.4to practise.

4D present perfect with ever / never

Use everand neverwith the present perfect for emphasis.

ever+ present perfectquestion

= at any time before now Haveyou ever travelledabroad?

never

+ present perfectpositive form = at no time before now Weve never beentoCanada.

>> Now go to exercise 4.5to practise.

4D present perfect and past simple

Use the present perfect to talk about an event which happened atsome time before now. It isnt important exactly when it happened.

Use the past simple to talk about an event which happened in thepast and is not connected to now.

present perfect past simple

Ive beento London this year.Hes never played chess.Weve visitedDublin twice.

I wentto London last week.He didnt playchess yesterday.We wentto Dublin twice last year.

Use expressions of unnished time with the present perfect, andexpressions of nished time with the past simple.

expressions of unnished time expressions of nished time

before now,today,this week,in my life last summer,yesterday,last week,in 2001,when I was ve

>> Now go to exercise 4.6to practise.

.

4.1 Order the words to make requests.

Example you make can our please bedsCan you make our beds, please?

1 we double have please could a room2 you can me tomorrow please phone3 towels please you change can my4 a have sandwich cheese I could please5 drink have a please I can6 another please of bottle I can have shampoo

4.2Write the past participles of the verbs in the correct box.

work swim put stop break live listen think do likefall study burn decide

regular irregular

worked

4.3Match 17 with ag.

1 c Someone has opened a You can hear music.the window.

2 Ive lost my keys. b Theyre on the oor.3 Weve washed the cups. c Its cold in here.4 Hes broken his nger. d I cant open the door.5 Ive switched on the radio. e Theyre clean.6 Youve burnt the toast. f It smells terrible.7 Shes dropped the eggs. g He cant write.

4.4Complete the sentences. Use these verbs in the present perfec

buy not do cook not pay drink not send invite put ta

Example Lisas parents have bought a new car.

1 You your homework!2 you all your friends to the party?3 They dinner. Its on the table.4 she the cheese in the fridge?5 She the gas bill.6 He all the fruit juice.7 I an email to my friend.8 Lisa the dog for a walk.

4.5 Add everor neverto the sentences in the correct places.never

Examples Ive / had u.ever

Have you / been skiing?

1 Have you broken your arm?2 Weve stayed in a hotel.3 Shes eaten Japanese food.4 Has Jamie worked in an ofce?5 Ive used a computer.6 Have they lived abroad?

4.6Right or wrong? Tick (3) or correct the sentences.Example We have been to Corfu last year on holiday.

We went to Corfu last year on holiday.

1 We have seen a great lm last night.2 Did she do the homework yesterday?3 ADid you lose your passport? B Yes. Can you help me look for it?4 They havent bought their house in 1997.5 He didnt study French when he was at school.6 My team won two matches this year.7 I have been to the sports centre twice on Tuesday.8 Has he worked in Spain before?