人教版九年级英语Unit 4 知识点学案.doc

1、1 Unit 4 I used to be afraid of the dark. 1.used to“过去常常”的用法 短语： used to do .过去常常做某事(暗含“现在不这样的”意思) used to be.过去是；过去处于状态(暗含“现在不这样的”意思) be used to介 (doing)sth.习惯于(做)某事 be used to do sth.被用于做某事(=be used for doing sth.)(注：be used to do 为 use sth.to do 的被动。) be used by sb.被某人使用 be used as+工具被用作 注：带有 use

2、d to 的句子变成问句时，可借助于 did 或 used。 eg:She used to go to school late. Mother used to tell us stories when we were young. She used to be a quiet girl. Im used to loneliness. The man has been used to living in the countryside. A knife can be used as a weapon. The car is being used by me. Did he use to wear

3、 glasses?(=Used he to wear glasses?) You used to be short,didnt you?(=You used to be short,usednt you?) 2.反意疑问句的用法 一般情况下，反意疑问句只对主句反问，且回答时前后必须保持一致；反意疑问句的主语一 般为主句主语所对应的代词。另外，回答时 yes,no 翻译为“是”或“不是”与它本身无关，而与 它是否与主句一致有关，如果一致则翻译为“是”；如果不一致，则翻译为“不是”。 eg:-She is a student,isnt she? -Yes,she is.是的，她是。/No she

4、isnt.不，她不是。 -She isnt a student ,is she? -Yes,she is.不，她是。/No,she isnt.是的，她不是。 以下为其它特殊用法： 否定转移中的反意疑问句 在 think,believe,suppose,imagine 等后跟的宾语从句中，如果主句主语为第一人称时，应对 从句反问；如果主句主语为第二、第三人称时，应对主句反问。 eg: I dont think it is right,is it? She doesnt think it is right.does she? 主句含有否定词中的反意疑问句 如果主句含有否定词 hardly,seld

5、om,few,little,no,never,nothing,nobody,no one 等否定词时， 那 么这个句子则为否定句。但否定前后缀(un-,dis-,im-,in-,-less 等)除外。 eg:He can hardly do his homework,can he? He was unhappy,wasnt he? 祈使句中的反意疑问句 1.祈使句的反意疑问句遵循的原则是：前肯后否/肯；前否后肯。 eg:Be quick,wont you/will you? Dont be late again,will you? 2.lets 和 let us 引导的祈使句中的反意疑问句 2

6、 eg:Lets do homework,shall we? Let us do homework,will you? There be/exists/lives/stands/lies/follows.句型中的反意疑问句 eg:There is a book and two pencils on the desk,isnt there? 陈述部分含有 used to 的反意疑问句，其反意疑问句用 usednt 或 didnt. eg:He used to be a bad student,usednt/didnt he. 练习： ( )1.There are always many volu

7、nteers in great events,_ ? Yes.Many hands make light work! A.arent there B.are there C.arent they D.are they ( )2.He didnt go to the lecture this morning,did he? _ ,though he was not feeling very well. A.No,he didnt B.Yes,he did C.No,he did D.Yes,he didnt ( )3.Hi,Sam.Your mothers busy these days,_ ?

8、 Yes,she is. A.has she B.is she C.hasnt she D.isnt she ( )4.I dont think the newly-directed film by Zhao Wei is as interesting as people say,_ ? A.do you B.isnt it C.is it D.dont you ( )5.Its Fathers Day,_ ? Yes.Lets buy a gift for Dad. A.isnt it B.doesnt it C.isnt he D.doesnt he 3.never adv.“从不，决不”

9、的用法 主要与肯定动词连用，在句中的位置和 not 相同。位于句首时，句子要用半倒装结构。 练习： ( )1.I can _ be a nurse.Im not a very patient person. A.seldom B.ever C.never D.always ( )2.Its _ to be calm before danger. A.healthy B.careful C.different D.necessary ( )3.Do you like seeing a movie on your mobile phone? No.I _ do that because it ma

10、kes me uncomfortable. A.seldom B.often C.never D.sometimes ( )4.Look,Jenny.I bring you a comic. Great.Its _ what I need. A.quickly B.hardly C.nearly D.exactly 4.It be +形容词+(for/of sb.)to do sth.“某人做是”for sb.用于使用表示客观情况的形 容词，of sb.用于使用表示主观感情、性格品德的形容词。 eg:Its important for us to learn English well. Its

11、 really nice of you to help me. 练习： ( )1.Its important _ people _ learn team spirit. A.of;of B.of;to C.for;to D.to;to ( )2.Its not healthy _ us _ sleep late. A.for;for B.to;to C.for;to D.to;for ( )3.Its good for us _ . 3 A.to exercise B.exercise C.exercises D.exercising ( )4.Its _ of you to do these

12、 things for us. A.friendly B.easy C.hard D.important ( )5.Its _ to keep your voice down in public places. A.unpolite B.politely C.impolite D.polite 5.worry 的用法 作 vi.时， “担心，发愁” ，后跟介词 about。(=be worried about) eg:Dont worry about Tom. 作 vt.时， “使担心，使担忧” ，其后常接 sb.作宾语。 eg:What worries you so much? 作 vt.时

13、， “为担心” ，其后常接从句。 eg:Dont worry how much you spend. 作 n.时，U“担心，烦恼”C“令人担心的人或事” eg:Its really a worry for me. 注：worried 和 worrying 都可作形容词，前者说明人，意为“烦恼的，焦虑的” ；后者修饰事 物，意为“令人烦恼的，令人担心的” 。 eg:Theres a worried look on his face. 练习： ( )1.You look _ .Whats up,sir? I cant find my ticket,but its time to check in.

14、 A.sleepy B.hungry C.tired D.worried 6.be proud of(=take pride in)“以感到自豪” 练习： ( )1.The girl _ the dark.She doesnt go out at night. A.is interested in B.is afraid of C.is proud of D.is angry with ( )2.Zhang Jike has won the championship in France Table Tennis Open.All the Chinese _ his challenging sp

15、irit and excellent skills. A.are proud of B.take care of C.get along with D.make a decision 6.sothat 与 suchthat“如此以致于”的区别 二者都可引导结果状语从句。 so 为 adv，such 为 adj。 二者结构分别为： so+adj/adv 原级+that xxxxxxxxxxxxxxxxxxxxxxx so+adj+a/an+n(可单)+that such+a/an+adj+n(可单)+that so+many/few+ns(可复)+that such+adj+ns(可复) +th

16、at so+much/little(少的)+n(不可数)+that such+adj+n(不可数)+that （注：只修饰形容词、副词时，只可用 so。 修饰单数名词时，二者可以互换。 修饰复数和不可数名词时，多多少少用 so,不多不少用 such.） 注：so that 既可引导目的状语从句(有情无逗)；也可引导结果状语从句(无情有逗)。 练习： ( )1.There is not _ room for these books,so youd better put them on the shelf. A.so much B.much too C.so many D.too many ( )

17、2.The boy is _ clever _ he can work out the problem easily. 4 A.so;that B.such;that C.so;if D.such;if ( )3.Im afraid I cant agree to _ a big discount. A.such B.so C.like D.as ( )4.He will come on time _ it rains heavily. A.so that B.even though C.but D.because 7.感叹句的用法 一般情况下，what 为 adj.，对名词进行感叹，how

18、为 adv.，对 adj/adv 原级进行感叹。 感叹句的结构为： What+a/an+adj+n(可单)(+主+谓/系)+其它！ What+adj+ns(可复)(+主+谓/系)+其它！ How+adj/adv(原级)(+主+/系/谓)+其它! (注：特例 What+adj+n(不可数)(+主+谓/系)+其它！ How+adj.(原级)+a/an+n(可单)(+主+谓/系)+其它! eg:What a beautiful flower it is! What beautiful flowers they are! What nice weather it is! How nice it is!

19、 判断用 what 或 how 感叹的方法。 首先，找到句子的主语。 然后，根据主语前的单词的词性确定用 what 或 how 来感叹。如果主语前为名词，则用 what 感叹；如果主语前为 adj/adv,则用 how 来感叹。 练习： ( )1._ wonderful dictionary it is!Thank you for buying me such a useful present. Im glad you like it. A.What a B.What C.How a D.How ( )2._ great picture! Who painted it? A. How B. W

20、hat C. How a D. What a 3.- Its reported that some famous singers will give a performance in Yangzhou. -Wow, _. A. how exciting news B. what exciting news C. what an excited news D. how excited the news is 4_great fun they are having in the sitting room! A. What B. How C. What a D. How a 5_ nice weat

21、her it is! A. What a B. What C. How D. How a Self Check 1.return 的用法 作 vi.时， “返回”(=go back/come back)，后接介词 to。 eg:I will visit you when you return to Shanghai. 作 vt.时， “归还”(=give back) eg:She has returned the dictionary. 作 n.时， “回报” 短语： in return“作为回报” eg:I sent her a present in return for her help. 2.in person“亲自” eg:Ill go to fetch it in person. 3.tons of 许多；大量(+可数名词复数或不可数名词)