初中英语语法—连词ppt课件.ppt

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1、一、一、 并列连词并列连词1. Mary likes music_Tom is found of sports. A. and B. but C. both A and B2. I failed again, _ I wont give up. A. and B. but C. so3. This is my first lesson, _ I dont know your names. A. and B. but C. soand : : 表对等表对等 “ “和、并且和、并且” ” but: 表转折表转折 “ “但是但是”so: 表因果表因果 “ “所以所以”and, or, but, so

2、 基本用法基本用法1. Which do you like better, apples, _ pears? A. and B. but C. or2. Now we have no time _ money. A. so B. and C. oror: 1. 用于用于疑问疑问句句, , 表表选择选择 2. 用于用于否定否定句句, , 表表并列并列（肯定句用（肯定句用andand）3.Christine, Aileen _ (和和) I are good friends. Study hard, _ (否则否则)youll fall behind. 4. Are you coming by b

3、us _(或者或者) on foot? 1. Try your best _ youll make more progress. A. and B. but C. or2. Dont lose heart, _ youll lose all. A. and B. so C. orand and 和和 or or 都可以在祈使句中使用都可以在祈使句中使用. . and 通常是比较好的结果通常是比较好的结果; ;or 则表示不愉快或不理想的结果则表示不愉快或不理想的结果. . and, or, but, so 基本用法基本用法1. Its getting warmer _ warmer. A. a

4、nd B. but C. or2. He or the twins _ the USA. A. comes from B. come from C. is from4. Not Tom but I _ going to give the talk. A. am B. is C. areadj.比比 + and + adj.比比 表示越来越表示越来越A or B 和和 not A but B 结构作主语结构作主语时，谓语动词要使用时，谓语动词要使用就近原则就近原则。and, or, but, so 特殊用法特殊用法1. Although I have passed the exam, _ I a

5、m not pleased with the result. A. and B. but C. /and, or, but, so 特殊用法特殊用法 2.So的特殊用法的特殊用法1. Both Peter and I _ going to Guangzhou. A. are B. is C. am2. Either apples or rice _ Ok. I am hungry. A. are B. is C. /3. Neither I nor my parents _ to tell you the truth. A. wants B. want C. is going to4. Not

6、 only I but also Jane _ sure that well win. A. is B. are C. ambothandeitherorneithernornot onlybut also以上结构做主语，除以上结构做主语，除bothbothandand 谓语要用复数外，其谓语要用复数外，其余都使用余都使用就近原则就近原则。1、这里的天气既不太冷也不太热。、这里的天气既不太冷也不太热。The weather here is _too hot _too cold.2、她不但美丽而且聪明。、她不但美丽而且聪明。She is _pretty _ clever.3、不是你对就是我对。、

7、不是你对就是我对。_ you _ I _ correct (形容词：正确的形容词：正确的).neithernornot onlybut alsoEitheroram连连 词词 练练 习习连接连接条件条件状语从句：状语从句：1、Youll be late _(如果如果) you dont get up early tomorrow.2、Ill come to see you _(如果如果) Im free next Saturday. 3、Well have a picnic tomorrow _(如果如果) it doesnt rain tomorrow.* * 注意状语从句的时态：注意状语从

8、句的时态：“主将从现主将从现”。ififif连连 词词 练练 习习连接连接时间时间状语从句状语从句连接连接原因、结果原因、结果状语从句状语从句1. You should return the digital camera to Sally _ she will not be angry. A. so that B. because C. before 2. He was hurt _ badly _ he had to see a doctor. A. tooto B. so that C. so that 3.He took off his coat _ it was too hot in

9、the room. A.And B. since C. but 4. Solo missed the bus _ he was late for school. A. because B. so C. or连接连接让步让步状语从句状语从句1. Tom is still doing his homework _ it is very late. A. so that B. even though C. if 2. I never seem to put on any weight,_ hard I try. A. though B. no matter how 3. I enjoy learni

10、ng English, _ it takes me a lot of time. A. unless B. although C. because 4. I will never give up learning English _ (即使即使) it is difficult.even though1) 如果原因构成句子的最主要部分，一般用如果原因构成句子的最主要部分，一般用because。因此，。因此，because引导的从句往往放在句末。例如：引导的从句往往放在句末。例如：I stayed at home because it rained.-Why arent you going? -

11、Because I dont want to.2) 如果原因已被人们所知，或不如句子的其它部分重要，就用如果原因已被人们所知，或不如句子的其它部分重要，就用as或或since。since比比as稍微正式一点。稍微正式一点。as和和since 引导的从句引导的从句一般放在一般放在句子的开头句子的开头。例如：。例如：As he wasnt ready, we left without him.Since I have no money, I cant buy any food.3) for用用来补来补充说明一种理由，因此，充说明一种理由，因此，for引导的从句几乎可以引导的从句几乎可以放在括号里。

12、放在括号里。for引导的句子不放在句子的开头。例如：引导的句子不放在句子的开头。例如：I decided to stop and have lunch，for I was feeling quite hungry.as, because, since , for连连 词词 用用 法法 比比 较较when，while，as连连 词词 用用 法法 比比 较较We discussed whether we should close the shop.我们讨论是不是该关掉商店我们讨论是不是该关掉商店if, whether连连 词词 用用 法法 比比 较较1) sothat中的中的so是个副词，其后只能

13、跟形容词或是个副词，其后只能跟形容词或副词，而副词，而such.that中的中的such是个形容词是个形容词，后接名，后接名词或名词短语。例如：词或名词短语。例如：Im so tired that I cant walk any farther.It was such a warm day that he went swimming.2) 如果在如果在名词之前名词之前有有many, much, little, few时，时，用用so,不用不用such。例如：。例如：He has so little education that he is unable to get a job.sothat,

14、 such.that连连 词词 用用 法法 比比 较较1. Ill tell your father the truth as soon as he _ here. A. arrives B. arrived C. arrives at2. We dont know if he _ us for the picnic. Ill call you if he _. A. joins; comes B. will join; comes C. will join; will come3. Nobody knows when the windows _. But Ill tell you when

15、I _ the answer. A. broke; find out B. broken; will find out C. were broken; find out连连 词词 用用 法法 练练 习习4. You wont understand until you _ him. A. meet B. meeting C. will meet5. You will fail in English _ you work hard. A. because B. unless C. if6. Just because we are young, _ we should work even harde

16、r. A. so B. / C. but7. It has been seven years since he _ here. A. left B. leaves C. leave连连 词词 用用 法法 练练 习习8. The little boy _ when I came in. A. falls down B. fell down C. was fell down9. We were reading when the teacher _ in. A. came B. comes C. is coming 10. He became a doctor when he _the univer

17、sity. A. graduated from B. graduate from C. graduated for 11. Tom works in a hospital _ Mary works in a company. A. because B. until C. while12. While his mother was washing, he _ his homework. A. do B. did C. was doing 13. The little boy fell alseep while he _ the music. A. was listen B. was listen

18、ing to C. listened to 表示对比，表示对比，“然而，而然而，而” while表示表示“当当的时候的时候”。 两个两个动词同时发生。必须使用动词同时发生。必须使用延续性延续性动动词。词。 14. Hurry up, _ you will miss the train. A. and B. so C. however D. or15. The mountain was _ steep(陡峭的）陡峭的）_ few people in our city reached the top. A. soas B. sothat C. asas D. tooto 连连 词词 用用 法法 练

19、练 习习用适当的连词填空用适当的连词填空 1. _they are brothers, they dont look like each other at all.2. The dress was very expensive, _ I didnt buy it.3. -Do you know _ I could pass the exam? -Sorry, Ive no idea.4. Mr. Brown knows little Japanese, _ he cant understand the instructions on the bottle of the pills.Although/Though连连 词词 用用 法法 练练 习习连连 词词 用用 法法 练练 习习 and before since连连 词词 用用 法法 练练 习习