被动语态-(含特殊情况)ppt课件.ppt
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1、You wont be allowed to play computer games if you havent finished your homework.A: Where were computers invented?B: They were invented in America.A: When were computers invented?B: They were invented in 1946. Look and talk about the picture.中考专项复习中考专项复习 The Passive Voice 被动语态被动语态 复习要点复习要点一、一、被动语态的基本
2、结构被动语态的基本结构二、二、被动语态的各个时态被动语态的各个时态三、被动语态中的特殊情况三、被动语态中的特殊情况 1.语态分类:语态分类:n主动语态:主语是动作的主动语态:主语是动作的执行者执行者。nWe clean the classroom every day.n被动语态:主语是动作的被动语态:主语是动作的承受者承受者。nThe classroom is cleaned by us every day.3.主动变被动的方法主动变被动的方法:She waters the flowers every day. 宾宾_ be+过去分词过去分词by+宾语宾语 谓谓 主主总结: 主动语态主动语态
3、被动语态被动语态宾语 谓语 主语 其他 主语主语be+过去分词过去分词by+宾语宾语不变不变The flowers are watered by her every day._ 主主时态看原句时态看原句人称数看新主语人称数看新主语1. Police can use microblog to catch thieves! Microblog2. The police caught a thief through microblog. A thief can be used to catch thieves by the police.was caught by the police throug
4、h microblog. 被动语态的基本结构被动语态的基本结构: :be + 过去分词过去分词考点一考点一: :有各种时态的变化有各种时态的变化考查要点:考查要点: 被动语态被动语态 一般现在时一般现在时 一般过去时一般过去时 一般将来时一般将来时 含有情态动词含有情态动词 am/is /are + done was/were + donewill/shall/be going to + be + done 情态动词情态动词+be+done被动语态中考实战被动语态中考实战1. More and more cars _ in China now. (2009 广东广东) A. are produ
5、ced B. produce C. are producing D. have produced 2. May I use your cup, Tom? - Sorry, it _ by my sister just now. (2011长沙长沙) A. was broken B. is broken C. broke D. be broken被动语态中考实战被动语态中考实战3. A friendly basketball match between teachers and students _ tomorrow afternoon. (2011浙江浙江) A. was held B. wi
6、ll be held C. will held D. must be held 4. Waste paper shouldnt _ everywhere. Its our duty to keep our city clean. (2009重庆重庆) A. throw B. is thrown C. be thrown D. are thrown1. All the students _(ask) to bring a kite with them last Sunday.2.The photos _(take)by American children yesterday.3. Some ph
7、otos _(take) by American children are very nice.4. The PRC _(found) on October 1, 1949.5. Large numbers of plastic bags _(use) in the supermarkets every day.7. _ Lesson 50 _(teach) next week? 8. The trees must _(put)straight in the hole. 9.Our homework should _(finish)by us on time. Ex:用所给词的适当形式填空用所
8、给词的适当形式填空。were askedwere takentakenwas foundedare usedWillbe taughtbe putbe finished过去分词做后置定语过去分词做后置定语Tips:先语态,后时态:先语态,后时态考点二考点二: :被动语态中的特殊情况被动语态中的特殊情况: :主动:see /watch/ hear sb. do sth被动:被动:be seen / watched/heard to do sth主动:主动:let/have sb. do sth.被动:被动:be let/had sb to do sth.主动:主动:make/help sb. d
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