Unit-4-Section-A-Grammar-Focus-4c.ppt

被动语态基本用法当句子的主语是动作的执行者时，谓语的形式是主动语态。主动语态。当句子的主语是动作的承受者时，谓语要用被动语态被动语态。被动语态由助动词be+be+过过去分词构成。去分词构成。His brother washes bowls every day主主谓谓宾宾(承受者承受者)Bowls are washedby his brother every day.改为被动语态1.They make shoes in that factory.一般现在时：一般现在时：S(主语）主语）+am/is /are +过去分词过去分词主语主语谓语谓语宾语宾语Shoesare made(by them)in that factory.2. He looked after the little baby yesterday.主谓宾(承受者)The little baby was looked after byhim yesterday .一般过去时一般过去时S(主语）主语）+was/were +过去分词过去分词4bRewrite the sentences using the passive voice.1. Farmers plant the tea on the sides of mountains. _The tea is planted on the sides of mountains by farmers.5. Our family does not use this silver plate very often. _ _ This silver plate isnt used very often by our family. 请将下列句子变成被动语态。请将下列句子变成被动语态。1. We use computers to search information. 2. The teacher often repeats the story. 3. They dont allow fishing here. 4. Bill looks after his cat carefully. 5. We dont often speak English at home. 结束结束