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1、最新资料推荐Unit 9 When was it inventedSection A一、主动语态:表示主语是动作的执行者,二、被动语态：1）定义：:表示主语是动作的承受者。在被动语态中动作的执行者有时用by短语表示出来2）构成: be+及物动词的过去分词。Be 有人称、时态和数的变化。3）被动语态的各时态公式：一般现在时：amisare +done 一般过去时：waswere+done 现在进行时：amisare+being+done 过去进行时：waswere+being +done 一般将来时：will be done* amisare going to be done现在完成时：have

2、has been done 情态动词的被动语态：cancouldmaymightmustshouldneedwould+be +done 动词不定式的被动语态：to be +done 1. Now English _ by more and more people all over the word. A. speaks B. is spoken C. was spoken2. The lost boy _ at the street corner last night. A. was found B. is found C. was looked for3. More man-made sa

3、tellites _ in the future. A. will send up B. will be sent up C. are sent up4. Three bridges _ since last year. A. have built B. were built C. have been built5. Flowers _ every day. A. has been watered B. should be watered C. should water三、主动语态变被动语态的方法：1. 把原主动语态中的宾语转换为被动语态的主语.2. 把动词改为被动形式,即“be + 过去分词

4、”. 注意：be动词要按新的主语的人称和数进行变化, 时态要和原来的主动语态的时态保持一致.3. 原来主动语态句中的主语,如果需要,就放在by后面以它的宾格形式出现. 如果没有必要就可以省略.其他的成分 (定语,状语) 不变, 句式也不能变.歌诀是：宾变主，主变宾，by短语后面跟。谓语动词变被动，be后“过分”来使用。四、被动语态专项练习(将下列句子改为被动语态)1.Thomas Edison invented the light bulb. _.2. The boy didnt throw the stone just now. _.3. Mr Bush took some photos i

5、n Paris. _4. I cant repair the broken kite. _.5. . He passed me the sugar. _.6. He gave me a new dictionary this morning. _.单选1. In some countries, tea _ with milk and sugar. A. is serving B. is served C. serves D. served 2. Great changes _ in my hometown since 1980. A. have been taken place B. took

6、 place C. have taken place D. were taken place 3. The new type of car is going to _ in three years. A. turn out B. be turned out C. has turned out D. have been turned out 4. Do you like the skirt ? It _ soft. A. is feeling B. felt C. feels D. is felt 5. Are you still here? You were here an hour ago.

7、 Who _ for? A. are you waiting B. did you wait C. were you waiting D. do you wait 6. Water _ into ice. A. will changed B. must be changed C. should change D. can be changed 7. _ the job _ by Lucy or by John? Tell me the truth, please. A. Has finished B. Has being finished C. Is finish D. Has been finished最新精品资料整理推荐，更新于二二二年四月四日2022年4月4日星期一08:46:37