被动语态.ppt

被动语态.pptSection A Grammar Focus Is it made of silver? It was made in Thailand. What is the model plane made of ? Where is tea produced in China? How is it grown ? It is planted on the side of mountains. They are picked by hand and then are sent for processing. Read the sentences below, paying attention to the underlined parts. 被动语态(Passive Voice) 结构: be + done S(主语)+ am / are / is + 动词的过去分词一般现在时的被动语态结构: Many people speak English . 主动句与被动句之间的转换 English is spoken by many people . 主语谓语宾语主语谓语(被动语态) 介词(by) + 宾语 1. His brother washes bowls every day . Bowls are washed by his brother every day. Bowls are washed every day by his brother . 2. They make shoes in that factory. Shoes are made in that factory by them . Shoes are made by them in that factory. 3. He looked after the little baby yesterday. The little baby was looked after by him yesterday . 4. Amy can take good care of Gina . Gina can be taken good care of by Amy. 过去式被动语态结构: S+ was/were + done 情态动词被动语态结构: S+can/may/must/should+be+done 5. Some workers are painting the rooms now . The rooms are being painted by some workers now. 6. We have made twenty more keys . Twenty more keys have been made by us . 现在完成时被动语态结构: S+ have/has + been+ 过去分词现在进行时被动语态结构: S+ is/ are + being+ done 各种时态的被动语态构成各种时态的被动语态构成一般现在时: 一般过去时: 一般将来时: 情态动词: 过去进行时现在进行时现在完成时: S+ am/is /are + done S+can/may/must/should+be+done S+ will + be + done S+ was/were + being+ done S+ have/has + been+ done S+ was/were + done 各种时态的被动语态构成各种时态的被动语态构成 S+ i s/ are + being+ done ?把下面的句子进行句型互换。 1 . They will clean their classroom tomorrow. 2 . They are planting trees now .3 . Parents should allow students to choose their own clothes. 4. People made this kind of bike in Tianjin in 1965 5. People use knives for cutting things Their classroom will be cleaned by them tomorrow. Trees are being planted by them now. Students should be allowed by parents to choose... This ki