初三英语中考语法考点重难点详解（37）助动词的功能：帮助主动词表达“时”和“数”的概念

1、初三英语中考语法考点重难点详解(37)助动词的功能：帮助主动词，表达“时”和“数”的概念这一篇，我们讲解一下助动词的功能。谓语中如果出现助动词, 就是说谓语局部有两个(甚至三个)局部组成，一般最前面的哪个 局部反映出时间和数的概念。比方：has说明的时间是现在，数是单三Lunch has been cooked.午饭已经准备好了。这句中，has的功能是表现lunch的单复数，也说明“现在” 已经完成。does表示时间是现在，主语是单数Does he have a job?他有事做吗？does说明问的时间是现在，问的对象是单三的。is表示时间的现在，主语是单数This room is very

2、untidy.这个房间很乱。He is the man I served yesterday.他是我昨天接待的人。is说明主语是单数，同时表达的情况是现在。was时间是过去，主语是单数Mom was preparing dinner when I got home.我至I家时，妈妈在准备晚饭。was和主语的单数一致,并且说明的时间概念是“过去”同样，如果为配合主语的复数形式，助词会选择are,were,have以及do ,谓语动词的单复数在时态中的表现巩固与拓展练习f it is fine tomorrow, wea football match.a. have b. will have c.

3、 hasd. shall has2.When he was at school, he early and take a walk before breakfast.a. will rise b. shall rise b. should rise would risen the past 30 years China great advances in the socialist revolution and socialist construction.a. has made b. have made c. had made d. having madego to bed until I

4、finished my work.a. don, t/had b. didn t/have c. didn t/hadd. don t/haveyou think he back by dinnertime?a. Do/have come b. Did/will have comec. Does/will come d. Do/will have come.He said that he dropped his bag when he for the bus.a. was running b. was running c. were running d. is running.No soone

5、r he arrived home than he to start on another journey.a. has/was asked b. have/were asked c. had/is asked d. had/was asked“ you give me a room for the night?” I asked on arriving at the hotel.a. Should b. Can c. Might d. MayThere are nine of them, so get into the car at the same time.a. they may not

6、 at all b. all they may not c. they can7 t all d. all they can, tWe didn t see him at the lecture yesterday/7 He it. a. mustn, t attend b. cannot have attended c. would have not attended d. needn7 t have attended“You realize that you were driving atlOO mph, don t you? “No, officer. I . This car can

7、t do more than 80.a. didn t need to be b. may not have beenc. couldn t have been d. needn t have been12.he was a good runner so he escape from the police.a. might b. succeeded to c. would d. was able tof they, our plan will fall flat.a. are co-operating b. had not co-operatedc. won t co-operate d. d

8、idn t co-operatehoped my letter.a. her to answer b. that she would answer c. that she answers d. her answering.He live in the country than in the city.a. prefers b. likes to c. had better d. would rather. to see a film with us today?a. Did you like b. Would you like c. Will you like d. Have you like

9、d.r m sorry, but I had no alternative. I simply what I did.a. must do b. had to do c. ought to have doned. have to do. “Time is running out, ?hadn7 t we better got start b. hadn t we better get starthadn, t we better get started d. hadnz t we better not started.No one that to his face.a. dares say b. dares saying