含情态动词的被动语态.doc

。含情态动词的被动语态【考点链接】1. Some of the plastic bags cant after June 1.Yes, people will use environmental bags instead. A. use B. be use C. be used D. are used2. There is a lot of wind in North China. Well, more trees every year to stop the wind. A. must be planted B. can planted C. should planted【结构】情态动词(should/can/must/may/could等) + be + 及物动词的过去分词【句式】1. 否定句式：主语+情态动词+not be +及物动词的过去分词。如：The word couldnt be used this way.2. 一般疑问句式：情态动词+主语+be+及物动词的过去分词。如：Should the letter be finished today?Yes, it should. /No, it shouldnt.【跟踪练习】根据要求完成句子。1. Teenagers should be allowed to play with friends at night. (改为否定句)Teenagers to play with friends at night.2. The flowers must be watered once a day. (改为一般疑问句) the flowers once a day?3. Should the classroom be cleaned on time? (作肯定回答) , .4. Parents should allow children to choose their clothes. (改为被动语态)Children to choose their clothes.5. The young tree can be planted now. (改为主动语态)We the young tree now.各种时态的被动语态八大时态的被动语态的构成：1一般现在时的被动语态构成：（am/is/are +done）如： I am asked to study hard. 我被请求努力学习。 This shirt is washed once a week. 这件T恤一周洗一次。 These songs are usually sung by boys. 这些歌曲通常是男生唱的。2一般过去时的被动语态构成：（was/were done）如： The soldier was killed, but the train was saved. 这位战士牺牲了，然而列车得救了。 Some notes were passed up to the speaker. 有人给讲演者递上来一些纸条。3一般将来时的被动语态构成：（shall/will be done）如： We shall be asked a lot of strange questions. 我们将被问许多怪题。 My son will be sent to school next September. 来年九月我将送我儿子去读书。4过去将来时的被动语态构成：（should/would be done）如： The news would be sent to him as soon as it arrived. 消息一到就会转给他的。 He told us that the new railway would be built the next year. 他告诉我新铁路将在明年修建。5现在完成时的被动语态构成：（has/have been done）如： The work has just been finished. 工作刚刚结束。 Theoldruleshavebeendoneawaywithbyus.旧规章已经被我们废除了。6过去完成时的被动语态构成：（had been done）如： By last December three ships had been built by them. 到去年十二月底他们已建造了三艘船。 100 tractors had been produced by the end of last year. 在去年年底前生产了100辆拖拉机。7现在进行时的被动语态构成：（am/is/are being done）如： Thebridgeisbeingrepaired.桥梁正在修复中。The new library is being built by the workers. 新的图书馆正在被工人们建设中。8过去进行时的被动语态构成：（was/were being done）如： A meeting was being held when I was there. 我在时，会议在开着。 The college was being built at this time last year. 去年这个时候这所大学正在建设中。THANKS !致力为企业和个人提供合同协议，策划案计划书，学习课件等等打造全网一站式需求欢迎您的下载，资料仅供参考-可编辑修改-