(广东专版)2015年中考英语专题七连词及并列句课件.ppt

连词是一种虚词，不能独立承担句子成分，而只能起连接词与词、短语与短语或句子与句子的作用。连词主要分为并列连词和从属连词。 英语句子按照结构分为简单句、并列句和复合句三种。简单句是只有一套主谓结构的句子。并列句是由并列连词把两个或两个以上的简单句连接起来的句子。且前后分句的时态往往一致。复合句是由一个主句和一个或者一个以上的从句构成的句子，从句是主句的一个句子成分，从属于主句。; Ⅰ. 表示并列关系的连接词 1. and的用法 and的用法;用法;注意： 由and连接的两个表“条件和结果”关系的分句时，若第一个分句是祈使句，第二个分句需用将来时，其含义相当于由if引导的条件状语从句。 Work hard, and you will win the prize. = If you work hard, you will win the prize. 只要你努力工作，就能获得奖励。 【典例精析】 1. Go downstairs, __________ stand in line on the playground as soon as possible. A. and B. but C. so D. or;2. Hurry up, __________ finish your homework! A. or B. but C. and D. while;2. neither ... nor，not only ...，but also，both ... and的用法 neither ... nor, not only ..., but also both ... and 的用法;【典例精析】 1. He speaks __________ English __________ French. Instead, he speaks German. either; or B. not only; but also C. both; and D. neither; nor;Ⅱ. 表示转折关系的连词 but, while however的用法;【典例精析】 1. The beginning of the movie was boring, __________ the end was amazing! A. but B. and C. so D. or; Ⅲ. 表示选择的连词 either ... or ..., not ... but ...， or rather ... than ...的用法;连词;连词;2. — Finish your homework __________ you can’t play computer games, Jim. — All right, Mum. A. but B. till C. and D. or;4. — It’s raining outside. — I __________ stay at home __________ go out. A. prefer, to B. prefer, than C. would rather, than D. would rather, to;Ⅳ. 表示因果的连词 so, far there fore 的用法;【典例精析】 The shops were closed __________ I didn’t get any milk. A. so B. as C. or D. but ; We don’t know if it will rain tomorrow. 我们不知道明天是否会下雨。 If it rains tomorrow, we won’t have a sports meeting. 如果明天下雨，我们就不开运动会了。 VI. 不能同时出现在一个句子中的连词 1. because和so不能同时出现在一个句子里，二者只能用其一。 Because he was tired, he couldn’t walk there. = He was tired, so he couldn’t walk there. 因为他累了，所以他不能步行到那里了。 2. (al)though和but不能同时出现在一个句子里，二者只能用其一。但(al)though和yet或still可以同时出现在一个句子里。 T hough he was tired, he still worked hard. = He was tired, but he still worked hard. 虽然他很累，但他仍然努力工作。; VII. and和or用于否定句中的区别 1.