上海中考英語(yǔ)連詞的用法

1、中考連詞的用法presentation -連詞一、并列連詞1. and “和”，“那么”常用結(jié)構(gòu)：祈使句 +逗號(hào) +and+一般將來(lái)時(shí)think it over, and you ll work it out. 2. or “ 或者”，”否則“常用結(jié)構(gòu)：祈使句 +逗號(hào) +or+一般將來(lái)時(shí)hurry up, or you ll be late. 3. but “ 但是“，不能和though 同時(shí)出現(xiàn)4. so”所以“，不能和because同時(shí)出現(xiàn)5.”不僅 .而且 .” 有以下三種表達(dá)方式（1）both a and b, 做主語(yǔ)時(shí)后跟動(dòng)詞復(fù)數(shù)（2）not only a but also b, 作

2、主語(yǔ)時(shí)動(dòng)詞單復(fù)數(shù)取決于b （3）a as well as b, 做主語(yǔ)時(shí)動(dòng)詞單復(fù)數(shù)取決于a both tom and i are students. not only tom but also i am a student. tom as well as i is a student. 6.neither a nor b “既不 .也不 .”做主語(yǔ)時(shí)動(dòng)詞單復(fù)數(shù)取決于b neither the teacher nor the students have been to japan. 7.either a or b “ 要么 .要么 .”做主語(yǔ)時(shí)動(dòng)詞單復(fù)數(shù)取決于b you may either s

3、tay at home or go to the cinema. 二、從屬連詞1.that 連接賓語(yǔ)從句，在從句中不作任何成分，無(wú)意義，可省略。i know (that ）english is very important. 2.if/whether “是否”，連接賓語(yǔ)從句he asked if/whether i could win. 3.though/although “雖然”，表示轉(zhuǎn)折關(guān)系，連接讓步狀語(yǔ)從句，不能與but 同時(shí)出現(xiàn)he was still working though it was late. 4.because “ 因?yàn)?” ,表示因果關(guān)系，連接原因狀語(yǔ)從句。i sta

4、yed at home because it was raining. 5.if “ 如果”， unless “ 除非 ” , 表示假設(shè)，連接條件狀語(yǔ)從句。i will go to the park if it doesn t rain.=if it doesn t rain, i will go to the park. you won t make progress in english unless you work hard. =if you don t work hard, you won t make progress in english. 6.when,while, as “

5、當(dāng)” ，連接時(shí)間狀語(yǔ)從句。when i grow up, i want to be a teacher. when/as i was walking in the street, i met my english teacher. my father was reading newspaper while my mother was cooking. 7.before“之前”， after “ 之后 ” , 連接時(shí)間狀語(yǔ)從句。the film had already begun before they got to the cinema. i turned on tv after i got

6、home. 8.as soon as “ 一.就.” , 連接時(shí)間狀語(yǔ)從句i will write to you as soon as i get there. he went to bed as soon as he finished his homework. 9.until “ 直到”，連接時(shí)間狀語(yǔ)從句he worked until 12 o clock. i didn t leave until he came. ?？嫉木湫娃D(zhuǎn)換：tom knew the truth after mary told him. =tom didn t know the truth until mary t

7、old him. 10.so+形容詞、副詞原級(jí)+that.“如此 .以至于 .” , 表示結(jié)果，連接結(jié)果狀語(yǔ)從句。the situation was so funny that everybody laughed. 常考的句型轉(zhuǎn)換：so.that+肯定句 =.enough to +動(dòng)詞原形so.that+否定句 =too.to+動(dòng)詞原形he is so tall that he can reach the shelf=he is tall enough to reach the shelf. he is so young that he can t go to school.=he is to

8、o young to go to school. 特別提示1.改寫(xiě)成 . enough to 或 too.to 時(shí)要注意形容詞/副詞的位置。2.so.that 主從句主語(yǔ)不一致時(shí)，要在.enough to/too.to 結(jié)構(gòu)中加上for sb. the room is so big that we can live in it.=the room is big enough for us to live in. the boxes were so heavy that he couldn t carry them. =the boxes were too heavy for him to ca

9、rry. 11.so that.“為的是”，表示目的，連接目的狀語(yǔ)從句特別提示1）so that. 從句中需包含情態(tài)動(dòng)詞2）主從句時(shí)態(tài)要一致he got up early so that he could catch the bus. 常考的句型轉(zhuǎn)換：so that +句子 =in order to/so as to + 動(dòng)詞原形he studies hard so that he can get a good job. =he studies hard in order to/ so as to get a good job. 12.than “ 比 ” , 連接比較狀語(yǔ)從句as.as “和

10、 .一樣”not as/so.as “ 不如”常考的句型轉(zhuǎn)換：tom sings better than nick.= nick doesn t sing as/so well as tom. 13.since （1）“自從”，連接時(shí)間狀語(yǔ)從句i have learned a lot since 1990/two years ago/ i left here. （2）“由于” =as, 連接原因狀語(yǔ)從句。since you know how important english is, you should learn it well. 特別提示易混淆：i wonder if he will c

11、ome. 此句中的if 意為“是否”，引導(dǎo)賓語(yǔ)從句。i ll tell him about it if he comes. 此句中的if 意為“如果”，引導(dǎo)條件狀語(yǔ)從句。do you know when he will leave for america? 此句中的when 意為“何時(shí)”，引導(dǎo)賓語(yǔ)從句。i ll see him off when he leaves for america. 此句中的when 意為“當(dāng)”，引導(dǎo)時(shí)間狀語(yǔ)從句。真題解碼i.choose the best answer: 1._john failed to climb to the top of the mountai

12、n several times, he didn t give up. a.although b.because c.whether d.unless 2.keep an english diary,_your english will improve. a.or b.since c.when d.and 3.we will have no water to drink_we don t protect the earth. a.until b.before c.though d.if 4.john didn t give up looking for a job_he got an offe

13、r from a german company. a.until b.since c.because d.if 5.take the exam carefully, _you won t get full marks. a.but b. and c.or d.so 6.we didn t start our discussion _everybody arrived. a.since b.if c.while d.until 7.martin and his friends didn t eat up all the food they ordered,_they took the rest

14、away. a.for b.or c.so d.as 8.peter will cook for his parents_the international day of families comes. a.unless b.when c.until d.though 9._tony_frank likes the cd. they think the music is too noisy. a.neither.nor b.either.or c.both.and d.not only.but also 10. i hate travelling by air_you usually have

15、 to wait for hours before the plane takes off. a.because b.though c.until d.unless answers:1-5 addac 6-10 dcbaa ii.rewrite the following sentences as required. 1. i m going to make an early start in order not to miss the train.( 保持句意基本不變）i m going to make an early start_ _ i won t miss the train. 2.

16、 chris has gone to south africa to enjoy the 2010 world cup. karen has gone to south africa to enjoy the 2010 world cup, too.( 合并為一句）_chris_karen have gone to south africa to enjoy the 2010 world cup. 3.are there any new markets in asia? the sales manager wants to know.( 合并為一句）the sales manager want

17、s to know _there _any new markets in asia. 4. we shouldn t talk loudly in the theatre. we shouldn t smoke there, either.(保持句意不變）we should _talk loudly _smoke in the theatre. 5. choose the perfect grapes only, or you won t be able to make the best wine.(保持句意基本不變）you _be able to make the best wine_you

18、 choose the perfect grapes only. answers:1.so that 2.both .and 3.if.are 4.neither.nor 5.won t.unless/will.if homework i.choose the best answer: 1.have one more try, _you will not succeed. a.and b.or c.so d.but 2.the doctors tried their best to save the patient s life, _failed. a.or b.so c.but d.beca

19、use 3.i can t understand this sentence _there are no new words in it. a.if b.because c.though d.as 4.i felt very tired last night, _ i went to bed earlier than usual. a.so b.because c.though d.if 5.you ll be late _you don t get up early tomorrow morning. a.if b.when c.before d.until 6.mr white is il

20、l, so _ tony _john is going to attend the meeting instead. a.both.and b.neither.nor c.either.or d.not only.but also 7.xiao ming has many foreign friends_chinese friends. a.as well as b.as more as c.such as d.as soon as 8.the school sports meeting was put off _the bad weather. a.for b.because c.becau

21、se of d.though 9.jackson has worked in the bank_he left school. a.when b.since c.as soon as d.whether 10.-would you please give this dvd to mary? -sure. i ll give it to her _she comes back. a.before b.as soon as c.till d.while 11.-your picture is wonderful! -i had worked for 8 hours_i finished it. a

22、.when b.before c.while d.after 12.she was listening to the music_he was cooking dinner. a.after b.before c.while d.when 13. i was walking along the street_i heard a cry from behind. a.when b.before c.because d.if 14.i didn t go to bed last night_my parents came back. a.while b.when c.after d.until 1

23、5.he hurt her _badly _she had to see a doctor. a.enough.to b.so.that c.either.or d.too.to 16. you must leave here now_your mum can get some more rest. a.though b.so c.so that d.because 17.i hope _our team will win the game. a.what b.which c.that d.if 18.i m not sure _he will be free this evening. a.

24、whether b.that c.which d.how 19. i can t understand _you mean. a.that b.what c.how d.which 20.this is the book _i bought yesterday. a.whom b.who c.what d.which answers:1-5bccca 6-10cccbb 11-15.bcadb 16-20.ccabd ii.rewrite the following sentences as required. 1.the girl is clever enough to memorize a

25、ll these new words quickly.(保持句意基本不變）the girl is _clever _she can memorize all these new words quickly. 2.put on your coat, or you ll catch a cold.( 保持句意基本不變）_you_put on your coat, you ll catch a cold. 3.betty doesn t have potatoes for breakfast. neither does peter.(保持句意基本不變）neither betty_peter _pot

26、atoes for breakfast. 4.the policeman interviewed us so as to get more information about the robbery.( 保持句意基本不變）the policeman interviewed us _ _he could get more information about the robbery. 5.tim will fail the test again if he doesn t study hard.(保持句意基本不變）tim will fail the test again _he _hard. answers:1.so.that 2.if.don t 3.nor.has 4.so.that 5.unless.studies .choose the best answer: 1. hold on to your dreams, _they will come true one day. a.but b.and c.or d.so 2._betty _lucy is free. you have to go there alone, i m afraid. a.neither;n