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1、第 56 天 被动语态的构成 学习要点 被动语态由 be+过去分词构成，其时态由 be 的不同时态来表示。家教点窍 无论被动语态用于何种时态，构成其语态的最后一个词必是过去分词。具体时态的构成如下表：状态 时间 一般 进行 完成 现在 am done is done are done am being done is being done are being done have been done has been done 过去 was done were done was being done were being done had been done 将来 will be done sh
2、all be done is going to be done am going to be done are going to be done 过去将来 should be done would be done was going to be done were going to be done 情态动词 can/could/must/have to/need/shall/should/will/would/be able to/used to+be done 典型例题 例 1 选择填空。Thousands of people took part in the work when the b
3、ridge .(A)would be built (B)was building (C)was being built (D)had been built 评析 状语从句的主语是动词 build的承受者，所以用被动语态。又根据语境知道build应用过去进行时。答案选（C）。例 2 用动词的适当形式填空。When the war broke out,the peace talks (hold).评析 broke表示了过去的一瞬间，hold动作的承受者作主句的主语，表示过去某一点时间进行的动作用过去进行时。答案为 were being held。例 3 改错。The headmaster told
4、 me that rapid progress had already made in education.评析 在宾语从句中，主语 progress是动作 made的承受者，所以要用被动语态。答案：（C）改成 had already been made。强化训练 一、用动词的适当形式填空。1.The teacher said,“when all spelling mistakes (correct),pass me your exercises-books again.”2.Medicine (should,keep)out f childrens reach.3.He asked me w
5、hen these books (buy)for his brother.4.These trees (plants)in our school these days.5.A lot of information is going to (offer)by the radio.6.Xiao Wang (give)a message by his father every week.7.Can this picture (put)up higher?I cant see it clearly.8.The man is badly ill.He (must,sent)to hospital.9.I
6、t (say)that therell be a heavy rain tomorrow.10.The film (show)the day after tomorrow.11.What (talk)about by those students?They should go home now.二、改错。1.A big fire was broken out in Blue House Restaurant on the morning of May (A)(B)(C)(D)30,1993.2.I still dont know what was happened while I was aw
7、ay from home.(A)(B)(C)(D)3.Now the price of this kind of machine has been risen very quickly.(A)(B)(C)(D)4.When Mrs.Jones has been told about her car s being stolen,her heart broke.(A)(B)(C)(D)5.The clothes must be washed by I at once.(A)(B)(C)(D)6.This shirt can not be washed by machine.It has to w
8、ash by hand.(A)(B)(C)(D)7.just now he told that a new hotel was set up near the park next year.(A)(B)(C)(D)8.The classroom was always kept clean as usually by the students.(A)(B)(C)(D)9.Many kinds of work is going to do in this factory by computers.(A)(B)(C)(D)10.We will be told to be there by six o
9、clock early tomorrow morning three (A)(B)(C)hours ago.(D)参考答案 一、1 have been corrected 2.should be kept 3.were bought 4.are being planted 5.be offered 6.is given 7.be put 8.must be sent 9.is said 10.will be shown 11.are being talked 二、1.(B)broke ou 2.(C)happened 3.(C)has been raised 4.(A)was told 5.(C)me 6.(D)be washed 7.(C)would be 8.(A)is 9.(C)to be done 10.(A)were told