2019年中考英语语法知识专题课件：连词（含例题及答案）.ppt

1、连 词,连词按性质主要分两类：并列连词和从属连词。 一、并列连词（连接意义相关、层次相同的两个单词、短语或分句）,考点一： and表示并列、顺承关系。 考点二： or表示选择关系，意为“或；还是”，通常用在肯定句和选择疑问句中。在否定句中连接并列成分时，则表示“也不”。,考点三： and / or常用于句型“祈使句 (,) + and / or .”中。and 表示“那么；则”，or 表示“否则”，祈使句具有条件句的含义。 考点四： but, yet表示转折关系。 考点五： so, for表示因果关系。for通常是对前面的情况加以解释，不能回答why引导的问句。,1. Which coat d

2、o you like better, the red one _ the blue one? The blue one. (2018 广西柳州) A. but B. and C. or 2. I am terribly sorry, _ I cant go shopping with you this afternoon. Its OK. We can go next time. (2018 辽宁盘锦) A. so B. but C. and D. or,C,B,3. Work hard, _ youll catch up with your classmates next time. (20

3、18 黑龙江绥化) A. and B. or C. but 4. Its not always safe to pay over the Internet, _ you should be careful. (2017 天津) A. so B. after C. because D. as soon as,A,A,考点六： 其他并列连词有both . and .，as well as，not only . but also .，neither . nor . 和either . or .。 注意： 1. both . and . 连接两个主语时，谓语动词用复数形式。 2. as well as

4、 连接两个主语时，谓语动词应该与前面的主语在人称和数上保持一致。 3. not only . but also .，neither . nor . 和either . or . 连接两个主语时，谓语动词常与but also, nor或or 后面的主语在人称和数上保持一致，也就是遵循就近一致的原则。,1. Your father has passed the driving test? Yes. _my father _ my mother has. (2018 江苏常州) A. Not only; but also B. Neither; nor C. Either; or D. Both;

5、and 2. The beach was heavily polluted, _ he _ his wife enjoyed the holiday. (2018 青海) A. neither nor B. both and C. either or,A,A,3. How do you like the two pairs of shoes? They dont fit me. They are _ too big _ too small. (2018 黑龙江齐齐哈尔) A. not only. but also B. neither nor. C. either or. 4. Mike, p

6、lease turn down the music. _ Dabao _ Erbao are sleeping. (2018 湖北十堰) Sorry, Ill do it right away. A. Neither; nor B. Either; or C. Both; and D. Not only; but also,C,C,温馨提示： 1. when表示“当的时候”，其引导的从句的动词既可用延续性动词也可用短暂性动词。而while表示“与同时；当的时候”时，其引导的从句的动词常为延续性动词或表状态的动词。,二、从属连词（连接主从复合句） 考点一：引导时间状语从句的从属连词有 when，

7、while，before，after，till，until，since和as soon as等。,注意：when可用在sb. was about to do sth. when . 或 sb. was doing sth. when .句型中，表示“某人正要干某事，这时(突然)”或“某人正在干某事，这时”。该句型结构中的when是并列连词。 2. until用在肯定句中，表示“一直到时(为止)”，这时主句中的动词为延续性动词。用在否定句中时，表示“直到才”。,3. “It has been / Its been +时间段+ since .”表示“自从以来已经有多长时间了”。当since从句用一

8、般过去时时，主句通常用现在完成时。 4. 当before引导的从句用一般过去时时，若主句的动作在从句动作发生以前已经发生，则主句用过去完成时。,1. Please give me a call _ you come back. (2018 广西柳州) A. until B. as soon as C. while 2. My grandparents wrote letters to keep in touch with others _ they were young. (2018 辽宁沈阳) A. when B. since C. after D. before,B,A,3. We don

9、t know the love of our parents _ we become parents ourselves one day. (2018 云南) A. until B. after C. when D. since 4. What were you and your father doing at 7:00 yesterday evening? I was doing my homework _ my father was reading newspapers. (2018 黑龙江哈尔滨) A. when B. as soon as C. while,A,C,5. Jack ha

10、s learned more about teamwork(团队合作) _ he joined the soccer team. (2018 贵州黔南) A. until B. since C. while D. though 6. Bob, dinner is ready. Please wash your hands _ you eat. (2018 河北) A. until B. after C. while D. before,B,D,考点二：引导条件状语从句的从属连词有if，unless，once和as long as。 考点三：引导结果状语从句的从属连词有so . that .，s

11、uch . that . 和so that。,温馨提示： 1. 在so . that . 结构中，so是副词，只能修饰形容词或副词。 so+形容词 / 副词+that从句 so+形容词+a / an+可数名词单数形式+that从句 so+ many / few +可数名词复数形式+that从句 so+ much / little +不可数名词+that从句,2. 在such . that . 结构中，such后面跟名词或名词短语。 such+a / an+形容词+可数名词单数形式+that从句 such+形容词+可数名词复数形式 / 不可数名词+that从句,1. Jerry will suc

12、ceed in working out the problem _ he gives up. (2018 山东莱芜) A. if B. because C. so D. unless 2. The pollution in the sea is terrible! I believe the sea will be cleaner _ we take action now. (2018 辽宁葫芦岛) A. though B. if C. unless D. until,D,B,3. Whats your opinion on friends? They are like books. We d

13、ont need a lot of them _ theyre good. (2018 云南曲靖) A. as long as B. as soon as C. so that D. as if 4. Harry Potter is _ an interesting novel _ I want to read it again. I agree with you. (2018 湖北咸宁) A. so; that B. too; to C. such; that D. as; as,B,C,5. What a mess! The sharing bikes are thrown everywh

14、ere. Lets collect and put them in the right place _ they can be used conveniently. (2018 山东东营) A. unless B. so that C. because D. so long as,B,考点四：引导原因状语从句的从属连词有because和since等。 考点五：引导目的状语从句的从属连词有so that和in order that。 考点六：引导让步状语从句的从属连词有although / though，even though / even if，while。,1. _ Wu Lan is st

15、ill young, she can help her mother do some housework on weekends. (2018 广西百色) A. So B. Until C. Though D. Unless 2. The doctor looks tired and sleepy _ he stayed up late to look after his patients yesterday. (2018 贵州贵阳) A. because B. if C. unless,C,A,3. _ I have lost everything in this terrible earthquake, I have not lost my life. (2018 云南昆明) A. Because B. So C. Although D. If 4. You will still miss the flight _ you catch a Didi car. (2018 山东潍坊) A. even if B. as if C. until D. before,C,A,