被动语态初学.ppt

* Unit 3 Could you tell us something about what we learned in the last period ? Unit 3 Unit 3 Unit 3 What do we use it for? We use it for storing information. It is used for storing information. Unit 3 What do we use it for? We use it to type It is used to type. Unit 3 What do we use it to do ? We use it to put the words and pictures onto paper. It is used to put the words and pictures onto paper. Unit 3 What do we use it to do ? We move it with our hands to move the cursor on the screen. It is used to move the cursor on the screen. Unit 3 被动语态 结构 一般现在时 am/is/are+动词的过去分词 一般过去时 was/were+动词的过去分词 Unit 3 主动语态和被动语态的转换: 主: 被: English is learned me + by I learn English + + + Unit 3 The orange is very delicious. ____ it _______(eat) by you every day? Is eaten Unit 3 Most of us like watching TV. But TV _________________( not watch) too much isn’t watched Unit 3 It’s good for us to play basketball. Do you play it as often as possible? ____ it_______( play) by your English teacher yesterday?. Was played Unit 3 Vegetables are very important for our health. ______they ________(eat) by you every day? Are eaten Unit 3 We can use the passive voice when It is obvious who performs the action. Word processing skills are taught in our computer lessons. 2.We do not know or cannot remember who performed the action. The printer was sold already. Unit 3 We can use the passive voice when 3.We think the action is more important than person who performs the action Educational CD-ROMs are sold in many countries. 4.We can introduce the person who performs an action with the passive voice using “by” And the name(s)of the person(s) at the end of a passive sentence That CD-ROM was designed by Nancy Jackson. Unit 3 3.The robber was caught last night. 1. The building was built last year 2. Rice is grown in China. 4. The printer was sold already. Unit 3 He cleaned the blackboard. 2. I often help Jim. 3.He planted many trees l