2020年人教版英语九年级Unit4知识点总结整理(共12页).doc

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1、精选优质文档-倾情为你奉上2020年人教版英语九年级Unit 4 I used to be afraid of the dark.语法used to 的用法1.“used to do sth”意为“过去常常做某事”，表示过去的习惯动作或状态，现在已不发生或不存在。She used to be thin,but now she is fat.The young man used to wear glasses,but now he doesnt wear glasses.2.带used to的句子的各种句式的构成：(1)肯定句的构成是:主语+ used to do sth. He used to

2、 play basketball after school.(2)否定句的构成是:主语+ didnt use to do sth. She didnt use to have long hair.(3)一般疑问句构成是: Did+主语+use to do sth? 肯定回答是： Yes,主语+did 否定回答是：No,主语+didnt Did he use to play the piano? Yes,he did/ No,he didnt(4)反意疑问句的构成是：didnt+主语？ She used to be very thin, didnt she?3.妙用异同(1)used to do

3、 sth.表示过去习惯性的动作或经常性的状态.He used to smoke,didnt he?(2)be used to doing sth表示“习惯于做某事”My parents are used to getting up early. (3)be used to do sth=be used for doing sth是被动结构，表示“被用来做某事”The knives are used to cut things.=The knives are used for cutting things.(1)Wow! You look different! You wear glasses.

4、Yes,I did. But now I am wearing contact lenses(隐形眼镜)A.could B. must C.used to D.would(2) When I was a child, I used to _ strawberry.A. liking B. like C. liked D. likes(3)_ study in No.4 Middle School? A. Did you used toB. Did you use toC. Do you used toD. Do you use to(4)She used to with her parents

5、, but now she is used to_with her classmates at school. A. live; living B.live; live C.living; living D.living; live(5)Mother used to grow flowers in her garden.(改为否定句)Mother grow flowers in her garden.(6)The little girl often wore a skirt in the past.(同义句)The little girl a skirt.(7)You used to be v

6、ery strong, ? (完成反意疑问句)反意疑问句的用法1.含义、构成和回答反意疑问句也叫附加疑问句, 反意疑问句表示说话人对所陈述的事情有所怀疑或不肯定，想通过对方的回答来加以肯定或否定。它的结构由两部分组成：陈述句简短问句。如果前一部分为肯定形式，后一部分用否定形式；前一部分为否定形式，后一部分就用肯定形式。也就是说反意疑问句要遵循“前肯后否，前否后肯”的原则。反意疑问句的回答和一般疑问句的回答是一样的。Mary likes reading，doesnt she？Mary doesnt like reading，does she？Yes,she does.No,she doesnt

7、Youre a new student，arent you？You arent a new student，are you？Yes,I am.No,Im not (1)John had a short walk after lunch, ?A.did he B. didnt he C.had he D.hadnt he(2)There isnt any water in the bottle, ?A.is it B.is there C.isnt it D.isnt there(3)Shes come back, _ she? A. is B. isnt C. has D. hasnt2.反意

8、疑问句应注意三点： (1)除了no,not以外的其他否定词有never（从不）,nothing（没有什么）,few（几乎没有）,little（几乎没有）,hardly（几乎不）,seldom（不常，很少）而unhappy（不高兴的）,uncrowded（不拥挤的）,dislike（不喜欢）等不是否定词。She has few friends,does she? Yes,he does.Jim never goes to the movies on Saturday, ?A.does Jim B.doesnt Jim C.doesnt he D.does he(2)祈使句的反意疑问句,一般在句末

9、用will you（包括以Let us开头的祈使句）;而以lets开头的祈使句,其反意疑问句是shall we?Lets go out for a walk,shall we? Let us go out for a walk,will you?Dont drink too much,will you?Youve just finished your listening exam.Please get yourself ready for the next part, ?A.shall we B.will you C.do you D.are you(3)对反意疑问句的回答,不管问题的提法如何

10、,如果事实是肯定的,就要用yes;事实是否定的,就要用no.(1)Hawk isnt at school today,is he? .I met him in the classroom just now.A.Yes,he isnt B. Yes,he is C.No,he isnt D.No,he is(2)You havent been to Sanya, have you? _. How I wish to go there! A. Yes, I have B. No, I havent C. No, I have D. Yes, I havent(3)Mr.Wangs never be

11、en to Canada, has he? .He went there on business last week.A.No,he hasnt B.Yes,he has C.No,he has D.Yes,he hasntSection A1.区分be like和 look like (1)be like多用于描述人的性格、品质等，也可以提问外表 Whats Alice like?She is quiet and a little shy.(2)look like只用来描述人的长相、外貌。What does your father look like? He is very tall and

12、 fat.2.keep silent意为“保持沉默”3.helpful意为“有用的，有帮助的”。be helpful to sb/sth“对某人/某物有帮助” My teacher gave me lots of helpful books in math.4.形容词/副词+enough 意为“足够的” He runs quickly enough. We have enough time to do our homework. The dining hall is to hold(容纳) 300 people. A.enough big B.enough small C.small enou

13、gh D.big enough5. tooto常和 notenough to及 sothat进行同义句转换He is too young to go to school.=He isnt old enough to go to school.=He is so young that he cant go to school.(1)The problem is too difficult for me to work out.(改为同义句)The problem isnt for me to work out. (2)Shes not strong enough walking up mount

14、ains.A.to go B.going C.go D.went6.from time to time意为“时常，有时” From time to time he gave him a encouraged nod.7.since后接一般过去时的从句，看见since后接一般过去时的从句，要用现在完成时。 (1)She has taught us English since I (come) to this school. (2)My uncle (teach) in this school since he was twenty years old.8.辨析：become,turn,get 和

15、go(1)become通常指身份、职位的变化 She became an English teacher.(2)turn指颜色或性质的变化 The leaves in the trees turn yellow in autumn.(3)get多用于口语，表示一种变化的过程，强调“渐渐变得”，其后常接形容词的比较级。The days are getting longer and longer in summer.(4)go指食物变质，腐烂(1)He a player when he was 18. A. turned B. becomes C. becameD. get(2)The food

16、bad,it smells terrible. A. turns B. becomes C. goes D. get(3)What can she do to famous? A. make B. take C. get D. become9.(1)see sb doing sth.意为“看见某人正在做某事” I saw him playing football on the playground.(2)see sb do sth意为“看见某人做过了某事或看见某人经常做某事”，指看见动作发生的全过程。 I saw her run into the room. When I walked pas

17、t the park,I saw some old people Chinese Taiji. A.do B.did C.doing D.are doing10. an eight-year-old girl一个八岁的女孩a two-month holiday=a two months holiday一个为期两个月的假期(1)Well have a holiday.What about going to the West Lake?A. two days B. two-day C. two-days D. two-days(2)Lucy is a girl. A.13 years old B.

18、13-year old C.13-years-old D.13-year-old11.take up doing sth意为“开始做某事”。 My father took up learning English at the age of forty.12.deal with“处理”常与how连用，侧重于解决问题，强调处理问题的方法。do with“处理”一般与what搭配使用，侧重于对某物的利用。He has learned to deal with his problem. What do you do with your camera?(1)How would you like to d

19、eal the broken windows?A.with B.on C.at D.in (2) Many students dont know how to stress and become worried.I think theyd better ask their teachers for help. A.argue with B.deal with C.quarrel with D.come up with13.dare to do sth意为“敢于做某事”，其中to有时可以省略（尤其是在否定句或疑问句中） We must dare to think,speak and act. H

20、e doesnt dare (to) say anything. He didnt dare (speak) in front of the people.14. (1)in front of意为“在(外部的)前面”(2)in the front of意为“在(内部的)前面”(1)Can you see a red car that house?(填in front of或in the front of)(2)The man is sitting the car. (填in front of或in the front of)15.the whole morning=all the mornin

21、g 整个早上 the whole country=all the country整个国家 I spent the whole morning/all the morning in bed today.16. (1)notany more=no more意为“不再”，多指数量上和程度上的“不再”，常与瞬间动词连用。He doesnt come here any more.=He no more comes here.(2)notany longer=no longer意为“不再”，多指时间上的“不再”，常与延续性动词连用。He isnt a child any longer.=He is no

22、longer a child.The Indian old lady no longer lived there.(改为同义句)The Indian old lady live there .17.tons of意为“大量的，许多的”，后接可数名词复数或不可数名词。 Theyve got tons of money. I bought tons of apples while they were cheap.18.区分too many,too much和much too(1)too many意为“太多”，修饰可数名词复数There are too many people here.(2)too

23、 much意为“太多”，修饰不可数名词和动词Too much work is bad for you.(3)much too意为“实在太”，修饰形容词或副词His new car was much too expensive.(1)Im really busy because I have homework to do at the moment.A.many to B. too much C. much tooD. too many (2) The meat is delicious. Yes,but dont eat .A.too much;too much B.much too;too

24、muchC.too much;much too D.much too;much too19.worry about=be worried about意为“担心” Mothers are always worried about their children.=Mothers always worry about their children. The girl is studying abroad.Her mother her all the time. A.worries about B.worries C.is worrying D.is worried20.hang out意为“闲逛”过

25、去式和过去分词是hung. Where does he hang out these days?21.be prepared to do sth意为“准备好做某事” I am prepared to take the exam.22.give up doing sth意为“放弃做某事”，代词放中间。 We should never give up hope. English is very important.Dont give it up.(1)We shouldnt give up (help) the “problem child”. (2)Dad,smoking is bad for

26、your health.Youd better . A.give up it B.give it up C.give it back D.give back it.23.fight on 意为“继续战斗”，过去式和过去分词是fought。 We must fight on until the end.24.require sb to do sth.意为“需要某人做某事” They required us to help them.25. (1)The number of+复数名词，意为“的总数”，主语是the number，谓语动词须用单数形式。 The number of students

27、is 2,000.(2)a number of+复数名词， 意为“许多”，主语是复数名词，语动词须用复数形式。number前可用large,small等修饰，以表示程度。 a small number of意为“少数”， a very small number of意为“极少数” A number of apples are red.In our school, there a number of books on science and the number of them growing larger and larger.A.is;are B.are;is C.have;is 26.at

28、 least意为“至少”， at most意为“至多” There are at least 1,000 students in our school. He plays basketball at least twice a week.27.(1)alone表示“单独，独自一人”，不含有感情色彩。相当于by oneself.(2)lonely指人时意为“孤独，寂寞”，指地方时意为“偏僻，人迹罕至”Her parents were not at home, and she was alone.Though his grandmother lives ,she never feels A.alo

29、ne;alone B. lonely;lonely C.alone;lonely D.lonely;alone28.give a speech=give a talk意为“作演讲，作报告 They invited him to give a speech.29.in public意为“在公共场合，当众，公开。相当于in public places. I dont want to speak about it in public.30.两个“如此以致于”: sothat和suchthat (1)such+a/an+形容词+可数名词单数=so+形容词+a/an+可数名词单数(2)such+形容词+

30、可数名词复数(3)such+形容词+不可数名词 (4)so+形容词/副词(5)so+many/much/little/few+名词（so many+可数名词复数，意为“如此多的”，so much+不可数名词，意为“如此多的”，so liltte+不可数名词，意为“如此少的”，so few+可数名词复数，意为“如此少的”。）(1)This coat doesnt fit him well, as he has _ a huge body and the coat is _ small. A. so; such B. so; so C. such; such D. such; so(2)This

31、meeting is important that you mustnt miss it. A. very B. such C. so D. too(3)there was _little food left then that we had to turn to a local farm for helpA.so B.such a C.such D.quite aSection B1.all the time意为“一直，总是”，通常位于句子末尾。 Look! The monkeys jump up and down all the time.2.否定词有： never（从不）,nothing

32、（没有什么）,few（几乎没有）,little（几乎没有）,hardly（几乎不）,seldom（不常，很少）。 (1)Do you like seeing a movie on your mobile phone? No,I do that because it makes me uncomfortable. A.seldom B.often C.usually D.sometimes (2)He seldom goes to see the film, ?(完成反意疑问句)3.两个“照顾好某人”：look after sb well=take good care of sbMy mothe

33、r is out, so I have to _ my young sister at home.A. look at B. look after C.look for D. look over4.三个“小心，注意”：take care=be careful=look out. Take care! Its dangerous here.5.cause 意为“引起，导致，使发生”，cause problems意为“惹麻烦，引起麻烦” The heavy snow caused the accident.6. (1)influence指行为，性格，观点等产生间接的或潜移默化的影响。What yo

34、u read inflences your thinking.(2)affect主要指一时影响，着重影响的动作，可指一般意义的影响（不分好坏），也可指不良影响。The news did not affect her at all.We know what we read can our thinking.A.face B.realize C.influence D.lose7.be absent from意为“从缺席”。 They were absent from work that day.8.(1) fail ( in) the exam“考试不及格；没通过考试” Li Ming fail

35、ed (in) the English test.(2)fail to do sth.“没能做成某事” He failed to catch up with the others.Im sorry to hear that you the math test last term.A. pass B. passed C. failed D. fail9. finally是副词，意为“最终；最后”，相当于at last或in the endHe worked out the math problem finally.F ,the soldiers arrived at the village af

36、ter a few days long walk.10. decide to do sth=make a decision to do sth决定做某事 He decided to go abroad.=He made a decision to go abroad. (1)The children decide their school yard this Friday afternoon.A.clean B.to clean C.cleaning D.cleaned (2)At last,he made an important .(decide)11.advise sb to do st

37、h.意为“建议某人做某事”.advise是动词， advice是不可数名词。give sb some advice给某人一些建议 The boss advised him to leave as soon as possible.12.in person意为“亲自；亲身” You should ask him in person.13. an eight-year-old girl一个八岁的女孩a two-month holiday=a two months holiday一个为期两个月的假期(1)Well have a holiday.What about going to the West

38、 Lake?A. two days B. two-day C. two-days D. two-days(2)Lucy is a girl. A.13 years old B.13-year old C.13-years-old D.13-year-old14. even if=even though意为“即使，尽管”，引导让步状语从句。 Even if you work till midnight,you wont finish it. he became seriously ill,he still wanted to finish his work. A.If B.Unless C.An

39、d D.Even though15.be proud of=take pride in意为“为感到自豪，为骄傲” The young mother took pride in her son.=The young mother was proud of her son. Mom,I was the first to reach the top of the mountain. Good job,Jack.Im of you. A.careful B.proud C.tired D.afraid16.in the last/past few years意为“在过去的几年里”，是现在完成时的标记短

40、语。 I have learnt a lot in the last few years.17. What about? =How about?意为“怎么样”或“好不好？”接代词宾格或动词-ing。 I think this is a good idea.What about you? What about visiting the East Lake?We dont have much homework this weekend.Can we go out together?OK.What about a movie?A. to see B.seeing C. see D. sees18.I

41、t + is+形容词+（for/of sb） to do sth.意为“做某事对于某人来说是的”在此句型中，it是形式主语，真正的主语是to do sth。 当形容词是描述人的性格、品质的词如kind,nice,clever,foolish时用of sb，其他大多都用for sb.It was very difficult for me to finish the work on time. Its kind of you to tell me that.Its polite for students hello to teachers.A.to say B.saying C.says D.s

42、ay19. Why dont you do sth?或Why not do sth?意为“你为什么不做某事呢？”Why dont you buy your mother some flowers?=Why not buy your mother some flowers?20.形容词修饰不定代词的语序是：不定代词+形容词。something interesting一些有趣的东西My host family tried to cook for me when I studied in New Zealand.A.different something B.different anything C.something different D.anything different21.so that引导目的状语从句，意为“为了，以便” Please turn on the light so that we can see it clearly. You have to leave now you can catch the early bus.专心-专注-专业