人教新目標(biāo)九年級(jí)Unit 13 Grammar Focus講解及練習(xí)（有答案）

1、.Unit 13 Grammar Focus及練習(xí)Grammar FocusPay attention to the sentences.1 Were trying to save the earth.2 The river used to be so clean.3 The air is badly polluted.4 No scientific studies have shown that shark fins are good for health.5 We should help save the sharks.1. They are playing basketball. Nan

2、cy is working on a new book about stories in schools. Why are you always coming late for class? 如今進(jìn)展時(shí): Present Progressive定義：表示說(shuō)話時(shí)瞬間正在進(jìn)展的動(dòng)作，也表示目前或現(xiàn)階段一直進(jìn)展的動(dòng)作。構(gòu)造: be am/is/ are + v.-ing標(biāo)志詞：Look, Listen, now, right nowe.g. Look! The boy is crying.2. used to do與be used to doingused to do sth. 表示過(guò)去常常做某事,

3、 而如今往往不做了, 后接動(dòng)詞原形。be used to doing sth. 表示習(xí)慣于做某事。e.g. I used to get up at six oclock. Joe is used to drinking a cup of coffee every morning.3. My grandfather built this house in 1930. This house was built by my grandfather in 1930.主動(dòng)語(yǔ)態(tài)表示主語(yǔ)是動(dòng)作的執(zhí)行者,被動(dòng)語(yǔ)態(tài)表示主語(yǔ)是動(dòng)作的承受者。 被動(dòng)語(yǔ)態(tài)：Passive voice定義：表示主語(yǔ)是動(dòng)作的承受者，即行為

4、動(dòng)作的對(duì)象的一種語(yǔ)態(tài)。構(gòu)造：be + 過(guò)去分詞e.g. A new school was built last year. Our classroom is cleaned every day.一般如今時(shí)的被動(dòng)語(yǔ)態(tài)：am/is/are + V-ed一般過(guò)去時(shí)的被動(dòng)語(yǔ)態(tài)：was/were+ V-ed一般將來(lái)時(shí)的被動(dòng)語(yǔ)態(tài)：will/shall+be+ V-ed不可以變成被動(dòng)語(yǔ)態(tài)的情況 1. 某些感官動(dòng)詞加形容詞及少數(shù)其他的動(dòng)詞與一些副詞連用表示被動(dòng)意義。 smell, taste, prove, sell, etc. 1 The dish tastes delicious. 2 The theor

5、y proved right at last. 3 The book is so interesting that it sells well. 4 The pen writes well. 2. need做實(shí)意動(dòng)詞時(shí)，need + V- ing 主動(dòng)形式表示被動(dòng)意義。 我的車需要修理。 My car needs repairing. = to be repaired. 3. 通常只有及物動(dòng)詞組才有被動(dòng) 語(yǔ)態(tài)，不及物動(dòng)詞沒(méi)有。戰(zhàn)爭(zhēng)爆發(fā)了。The war broke out.但不能說(shuō)：The war was broken out.4. Lily, clean your teeth please.

6、Mum, I have already cleaned them.如今完成時(shí)表示動(dòng)作發(fā)生在過(guò)去，并對(duì)如今有影響。如今完成時(shí): Present Perfect定義：表示動(dòng)作已經(jīng)完成, 但對(duì)如今造成影響; 或者表示從過(guò)去某一時(shí)間開(kāi)場(chǎng)一直延續(xù)到如今并還可能持續(xù)下去的動(dòng)作。 構(gòu)造: has/have + 過(guò)去分詞標(biāo)志詞：already, yet, ever, never, since, fore.g. I havent finished my homework yet.5. 情態(tài)動(dòng)詞1 情態(tài)動(dòng)詞本身有一定的詞義，表示說(shuō)話人的情緒、態(tài)度或語(yǔ)氣，但不能單獨(dú)作謂語(yǔ)，只能與其他動(dòng)詞構(gòu)成謂語(yǔ)。常見(jiàn)的有：can

7、could, may might, must, need, shall should, will would等。2 情態(tài)動(dòng)詞無(wú)人稱和數(shù)的變化, 后接動(dòng)詞原形。否認(rèn)式是在情態(tài)動(dòng)詞后面加not。個(gè)別情態(tài)動(dòng)詞有過(guò)去式形式, 可用來(lái)表達(dá)更加客氣、委婉的語(yǔ)氣。 e.g. Ken can climb up the tress like a koala. Tracy could ride a bicycle when she was five years old. You mustnt play with fire. It is dangerous.中考鏈接1. Paul, Im busy cooking.

8、 Can you give me a hand? Just a minute. I _ my e-mail. 2019 河南 A. am checking      B. will check        C. have checked        D. was checking    2. Dont take the dictionary away, I _ it. 2019 河北

9、 A. use      B. used        C. am using        D. have used      3. The mobile phone _ in 1973.  2019 北京 A. invents     B. is invented     &

10、#160;  C. invented        D. was invented     4. Lets wait and see whether books _ by the Internet in the future.  2019 天津 A. replace     B. replaced        C. will be replaced  &#

11、160;    D. were replaced5. Why are you leaving your job? I cant stand it any longer. I _ always _ to work overtime. 2019 河南 A. am; asking  B. am; asked        C. was; asking        D. was; asked6. Lily is my classma

12、te. We _ each other since she came to our school.  2019 北京 A. know    B. knew       C. have known       D. will know      7. I _ in the city since I left school.  2019 天津 A. live  

13、  B. will live       C. was living       D. have lived     8. In the past few years, many schools _ the ways of doing morning exercises.  2019 重慶 A. change    B. changes     &

14、#160; C. will change      D. have changed  9. _ I park my car here for a while? No, you mustnt. Do you see the sign “NO PARKING?  2019 上海 A. Would      B. May         C. Must     &

15、#160;  D. Should     10. May I take the dog with me, sir? _. Pets are not allowed to enter the hall. 2019 重慶 A. Yes, you may   B. No, you mustnt C. Yes, you can D. No, you neednt  11. I dont care what people think. Well, you _. Youre not alone in this world.  2019 河南 A. can       B. may