2020年英语九年级Unit4知识点总结整理

1、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 doewear 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 play basketba

2、ll after school.(2) 否定句的构成是：主语+ didn t use to do sth.She did ntuse 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+did n Did he use to play the piano? Yes,he did/ No,he didnt(4) 反意疑问句的构成是：did nt+主语？She used to be very thin didn tshe?3 妙用异同(1) used to do sth 表示过去习惯性的动

3、作或经常性的状态.He used to smoke,didn t he?(2) be used to doing sth 表示 习惯于做某事 ”My pare nts are used to gett ing up early.(3) be used to do sth=be used for doing st 是被动结构，表示 被用来做某事 ” The kni vesare used to cut thin gs.=The kni ves are used for cutt ing thin gs.(1) Wow! You look differe nt! You_wear glasses.

4、Yes,I did. But now I am weari ng contact len se隐形眼镜)A.could B. must C.used to D.would(2) When I was a child, I used to_strawberry.A. liki ngB. likeC. liked D. likes(3) _study in No.4 Middle School?A. Did you used to B. Did you use to C. Do you used to D. Do you use to(4) She used to_ with her parent

5、s, but now she is used to_with her classmatesat school.A. live; livi ngB.l ive; liveC.l ivi ng; livi ngD.l ivi ng; live(5) Mother used to grow flowers in her garden.改为否定句)Mother_ grow flowers in her garde n.(6) The little girl often wore a skirt in the past.(同义句)The little girl_ a skirt.(7) You used

6、 to be very stron _ _?(完成反意疑问句)反意疑问句的用法1 含义、构成和回答1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。2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。3反意疑问句的回答和一般疑问句的回答是一样的。Mary likes reading, doesn t sheMary doesn t like readingdoes she?Yes,she does

7、.No,she doesYou re a new studentaren t youYou aren t a new stucdeiaire you?Yes,l am.No,lm not(1) Joh n had a short walk after lunch_ ?A.did he B. did nthe C.had he D.had nthe(2) There isnt any water in the bottle,_ ?A.is it B.is thereC.is nt itD.is nt there(3) Shes come back,_she?A. is B. is ntC. ha

8、sD. has nt2.反意疑问句应注意三点：(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 frie nds,does she? Yes,he does.Jim n ever goes to the movies on Saturday, ?A.does Jim B.doesnJimC.doesnthe D.do

9、es he祈使句的反意疑问句，一般在句末用 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?Letsgo out for a walk,shall we? Let us go out for a walk,will you?Don tdri nk 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.ar

10、e you对反意疑问句的回答，不管问题的提法如何,如果事实是肯定的就要用 yes 事实是 否定的，就要用 no.一 Hawk isn at school today,is he? _met him in the classroom just now.A.Yes,he isrtB. Yes,he is C.No,he isnD.No,he is(2) You haventbee n to San ya, have you? _. How I wish to go there!A. Yes, I have B. No, I haverb C. No, I have D. Yes, I haven(

11、3) Mr.Wa ngsn ever bee n to Can ada, has he? _.He went there on bus in ess last week.A.No,he hasnt B.Yes,he has C.No,he has D.Yes,he hasrtSection 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

12、 look like? He is very tall and fat.4.形容词I副词+enough 意为 “足够 的”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.He runs quickly eno ugh.We have eno ugh time to do our homework.The di ning hall is_ to hold(容纳)300 people.A.e

13、no ugh bigB.e no ugh small C.small eno ughD.big eno ugh5. tooto常和 notenough to 及 sothat进行同义句转换He is too young to go to school.= He isn t old eno ugh to go to schoolHe is so young thathe can t 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.

14、(2) Shesnot strong enoug _walking up mountains.A.to goB.goi ng C.go D.we nt6. from time to time 意为“时常，有时”From time to time he gave him a en couraged nod.7. si nee 后接一般过去时的从句,看见 si nee 后接一般过去时的从句，要用现在完成时。(1) She has taught us En glish since_ (come) to this school.(2) My uncle_ (teach) in this school

15、since he was twenty years old.8. 辨析：become,turn,get 和 go(1) become 通常指身份、职位的变化She became an En glish teacher.(2) turn 指颜色或性质的变化 The leaves in the trees turn yellow in autu mn.(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 gett ing Ion ger and Ion ger in summer.(4) go 指食物变质，腐烂(1) He _ a p

16、layer when he was 18.A. turned B. becomes C. becameD. get4.形容词I副词+enough 意为 “足够 的”(2) The food _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 doi ng sth 意为“看见某人正在做某事”I saw him play ing football on the playgro und.s

17、ee 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 past the park,l saw some old peop _ Chin ese Taiji.A.do B.didC.doi ngD.are doi ng10. an eight-year-old girl 一个八岁的女孩 a two-month holiday=a two mon ths holi 一个为期两个月的假期(1) We ll have a_ holiday.What about going

18、to the West Lake?A. two days B. two-dayC. 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-old11. take up doing sth 意为“开始做某事”。My father took up lear ning En glish 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

19、对某物的利用。He has lear ned to deal with his problem. What do you do with your camera?(1) How would you like to deal_ the broke n win dows?A.withB.o nC.at D.in(2)Ma ny stude nts dorik now how to_stress and become worried.I thi nk theyd better ask their teachers for help.A.argue with B.deal with C.quarrel

20、 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 thi nk,speak and act.He doesntdare (to) say anything.He didnidare_ (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 fron

21、t of 或 in the front of)(2)The man is sittin _ the car. (填 in front of 或 in the front of)15. the whole mornin g=all the morni ng 整个早上the whole coun try=all the country 整个国家I spe nt the whole mornin g/all the morning in bed today.16. (1)not.any 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 doesntcome

22、 here any more.=He no more comes here.(2)not.any Ionger=no longer 意为“不再”，多指时间上的“不再”，常与延续性动词连用。He isn a child any Ion ger.=He is no Ion ger a child.The In dia n old lady no Ion ger lived there.(改 为同义句)The In dia n 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 mon ey

23、.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.too much 意为“太多”，修饰不可数名词和动词Too much work is bad for you.much too 意为“实在太”，修饰形容词或副词His new car was much too expe nsive.(1) 1 m really busy because I have_homework

24、 to do at the mome nt.A.ma ny toB. too much C. much too D. too many(2) The meat is_delicious. Yes,but doritea_ .A.too much;too much B.much too;too 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

25、 about theirchildre n.The girl is study ing abroad.Her mother_ her all the time.A.worries about B.worries C.is worryi ng D.is worried20. hang out 意为“闲逛”过去式和过去分词是 hung.Where does he hang out these days?21. be prepared to do sthS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

26、词放中间。We should n ever give up hope.En glish is very importa nt.D on give it up.(1) We shouldntgive up_ (help) the problem child”.(2) Dad,smok ing is bad for 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

27、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 nu mber of stude nts_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

28、of 意为“极少数”A nu mber of apples_are red.In our school, there_ a number of books on scienee and the number of themgrow ing larger and larger.A.is;are B.are;is C.have;is26. at least 意为“至少” , at most 意为“至多”There are at least 1,000 stude nts in our school.He plays basketball at least twice a week.27. (1)a

29、lone 表示 单独，独自一人”，不含有感情色彩。相当于 by oneself.Ionely 指人时意为 孤独，寂寞”,指地方时意为 偏僻，人迹罕至”Her pare nts were not at home, and she was alone.Though his gran dmother lives_,she n ever feels_A.alo ne;alo neB. Io nely;lo nely C.alo ne;lo nely D.lo nely;alo ne28. give a speech=give a tall 意为“作演讲，作报告They in vited him to

30、give a speech.29.in public 意为“在公共场合，当众，公开。相当于 in public places.I don 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/a n+可数名词单数such+形容词+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.

31、 ” ，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 does nt 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 meet ing is_ importa nt that you mustntmiss it.A. very B. such C. so D. too(3) there was _little food left t

32、hen that we had to turn to a local farm for helpA.so B.such a C.such D.quite aSecti on B1. all the time 意为“一直，总是”，通常位于句子末尾。Look! The mon keys jump up and dow n all the time.2.否定词有：never(从不)nothing(没有什么)，few (几乎没有)JUile (几乎没有),hardly(几乎不)seldom (不常，很少)。(1) Do you like see ing a movie on your mobile p

33、ho ne?No,I_ do that because it makes me un comfortable.A.seldomB.ofte nC.usually D.sometimes(2) He seldom goes to see the fil _ _?(完成反意疑问句 )3. 两个“照顾好某人” ：look after sb well=take good care of sbMy mother is out, so I have to_my young sister at home.A. look at B. look after C.look for D. look over4. 三

34、个 “小心，注意” ：take care=be careful=look out.Take care! Itsda ngerous here.5. cause 意为“引起，导致，使发生” ,cause problems 意为“惹麻烦，弓 I 起麻烦”The heavy snow caused the accide nt.6.influence 指行为，性格，观点等产生间接的或潜移默化的影响。What you read inflen ces your thi nking.(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 n ews did

35、 not affect her at all.We know what we read can_ our thi nking.A.face B.realizeC.i nflue nee D.lose7. be absent from 意为“从.缺席”。They were abse nt from work that day.8.fail ( in) the exam 考试不及格；没通过考试”Li Mi ng failed (in) the En glish test.fail to do sth.没能做成某事”He failed to catch up with the others.I m

36、sorry to hear that you_the math test last term.A. pass B. passed C. failed D. fail9. fin ally 是副词，意为“最终；最后”，相当于 at last 或 in the endHe worked out the math problem fin ally.F_,the soldiers arrived at the village after a few days long walk.10. decide to do sth=make a decisi on to do st 决定做某事He decided

37、 to go abroad.=He made a decisi on to go abroad.(1) The childre n decide_their school yard this Friday after noon.A.clea n B.to clea nC.clea ning D.clea ned(2) At last,he made an importan_(decide)11. advise sb to do sth 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

38、 him to leave as soon as possible.12.i n pers on 意为“亲自；亲身”You should ask him in pers on.13. an eight-year-old girl 一个八岁的女孩 a two-month holiday=a two mon ths holi 一个为期两个月的假期(1) we ll have a_ holiday.What about going to the West Lake?A. two days B. two-dayC. two-days D. two-days(2) Lucy is a_ girl.A.1

39、3 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 won tfinish it._he became seriously ill,he still wan ted to finish his work.A.IfB.U nl essC.A ndD.Eve n though15. be proud of=take pride in 意为“为.感到自豪，为.骄傲”The young mother took pride in her