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1、1. The children are taken care of / looked after. 短语动词是不可分割的整体,改为被动语态中,要保持它的完整性,介词或副词不可遗漏。 思考思考2 2:如何将下列的主动句变为被动语态如何将下列的主动句变为被动语态 We gave him some books last week.Some books _ _ _ him by us last week. 注意问题1: give sb. sth = give sth. to sb.被动: sth. be given to sb. make sb. sth. = make sth for sb.被动:s
2、th. be made for sb. 带双宾语的被动语态句型里如sth.做主语时,应在 sb.前加“_”或“_”。were given totofor思考3: 把主动语态变为被动语态注意问题3:当动词feel, hear/listen to, make/have/let, see/ look at/watch/notice(一感二听三使四看)+sb do sth时 变被动语态要加“to ”。 be made to do sth被迫做某事be seen to do sth被看见做某事be heard to do sth被听见做某事 I saw him fall off the tree yes
3、terday. He _ _ _ fall off the tree yesterday.was seen to 思考4: 判断下列句子的正误 1.It will happen in 50 years. ( ) 2.It will be happened in 50 years. ( ) 注意问题4:有些动词没有被动语态,虽然意思上有被动,但必须用主动:不及物动词。常见的有:happen,take place,last,感官系动词:The soup tastes delicious.物品畅销(卖得好)The book sells well.汽车启动 The car cant set out,i
4、t must be broken.工厂、商店开张The shop will open up next week.学校开学、上课 Classes begin at 7:00.工厂生产物品 The factory produces cars.机器的性能 I like my bike. It rides very well. 1. He cant _ by us . A. laugh B. be laughed C. laugh at D. be laughed at2. This listening material with its CD-ROMs _ well. A. sells B. sel
5、l C. is sold D. are sold3. -Does she like singing English songs? -Yes. She _ sing English songs in her room. A. often hear to B. is often heard to C. is often heard D. often is heard to4. Some more trees need _ on the hill.A. to plant B. to be planted C. planted D. plant5. The book you ask for _ out
6、 now. A. is selling B. is sold C. was selling D. will be sold6. The workers _ work 14 hours a day. A. are made B. make C. are making D. are made to7. Great changes _ in my hometown in the last few years. A. have been taken place B. took place C. take place D. have taken place8. This pair of shoes _ very comfortable. A. feel B. are felt C. is felt D. feels9. A book _ me by my mother last Sunday. A. bought B. was bought C. was bought to D. was bought for