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1、中考连词的用法 Presentation -连词1、 并列连词1. and “和”，“那么”常用结构： 祈使句+逗号+and+一般将来时Think it over, and youll work it out.2. or “或者”，”否则“常用结构： 祈使句+逗号+or+一般将来时Hurry up, or youll be late.3. but “但是“，不能和though同时出现4. so”所以“，不能和because同时出现5.”不仅.而且.”有以下三种表达方式（1）both A and B, 做主语时后跟动词复数（2）not only A but also B, 作主语时动词单复数取决
2、于B（3）A as well as B, 做主语时动词单复数取决于ABoth 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.”做主语时动词单复数取决于BNeither the teacher nor the students have been to Japan.7.either A or B “要么.要么.” 做主语时动词单复数取决于BYou may either stay at home or go to th
3、e cinema.2、 从属连词1. that连接宾语从句，在从句中不作任何成分，无意义，可省略。I know (that）English is very important.2. if/whether“是否”，连接宾语从句He asked if/whether I could win.3. though/although “虽然”，表示转折关系，连接让步状语从句，不能与but同时出现He was still working though it was late.4. because “因为”,表示因果关系，连接原因状语从句。I stayed at home because it was ra
4、ining.5. if “如果”，unless “除非”, 表示假设，连接条件状语从句。I will go to the park if it doesnt rain.=If it doesnt rain, I will go to the park.You wont make progress in English unless you work hard.=If you dont work hard, you wont make progress in English.6. when,while, as “当”，连接时间状语从句。When I grow up, I want to be a
5、 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”, 连接时间状语从句。The film had already begun before they got to the cinema.I turned on TV after I got home.8. as soon as “一.就.”, 连接时间状语从句I will write to
6、 you as soon as I get there.He went to bed as soon as he finished his homework.9. until “直到”，连接时间状语从句He worked until 12 oclock.I didnt leave until he came.常考的句型转换：Tom knew the truth after Mary told him.=Tom didnt know the truth until Mary told him.10. so+形容词、副词原级+that.“如此.以至于.”, 表示结果，连接结果状语从句。The si
7、tuation was so funny that everybody laughed.常考的句型转换：so.that+肯定句=.enough to +动词原形so.that+否定句=too.to+动词原形He is so tall that he can reach the shelf=He is tall enough to reach the shelf.He is so young that he cant go to school.=He is too young to go to school.特别提示 1.改写成. enough to 或 too.to 时要注意形容词/副词的位置
8、。2.so.that主从句主语不一致时，要在.enough to/too.to 结构中加上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 couldnt carry them.=The boxes were too heavy for him to carry. 11. so that.“为的是”，表示目的，连接目的状语从句特别提示 1）so that. 从句中需包含情态动词 2）主从句时态要一致
9、He got up early so that he could catch the bus.常考的句型转换：so that +句子=in order to/so as to +动词原形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”, 连接比较状语从句as.as “和.一样” not as/so.as “不如” 常考的句型转换：Tom sings better than Nick.= Nick doesnt sing
10、as/so well as Tom.13. since（1） “自从”，连接时间状语从句I have learned a lot since 1990/two years ago/ I left here.（2） “由于”=as, 连接原因状语从句。Since you know how important English is, you should learn it well.特别提示 易混淆：I wonder if he will come. 此句中的if 意为“是否”，引导宾语从句。Ill tell him about it if he comes. 此句中的if意为“如果”，引导条件状
11、语从句。Do you know when he will leave for America? 此句中的when意为“何时”，引导宾语从句。Ill see him off when he leaves for America. 此句中的when意为“当”，引导时间状语从句。真题解码I.Choose the best answer:1. _John failed to climb to the top of the mountain several times, he didnt give up.A. Although B.Because C.Whether D.Unless2. Keep an
12、 English diary,_your English will improve.A. or B.since C.when D.and3.We will have no water to drink_we dont protect the earth.A.until B.before C.though D.if4.John didnt give up looking for a job_he got an offer from a German company. A.until B.since C.because D.if 5.Take the exam carefully, _you wo
13、nt get full marks.A.but B. and C.or D.so6.We didnt start our discussion _everybody arrived.A.since B.if C.while D.until7.Martin and his friends didnt eat up all the food they ordered,_they took the rest away.A.for B.or C.so D.as8.Peter will cook for his parents_the International Day of Families come
14、s.A.unless B.when C.until D.though9. _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 also10. I hate travelling by air_you usually have to wait for hours before the plane takes off.A.because B.though C.until D.unless Answers:1-5 ADDAC 6-10 DCBAAII.Rewrite the following sentences as required.1. Im going to make an early start in order not to miss the train.(保持句意基本不变）Im going to make an early start_ _ I wont miss the train.2. Chris
