北京市房山区周口店中学九年级英语 被动语态课件 人教新目标版

1、Read these sentences,My mother waters the flowers every day. The flowers are watered by mother every day. We cleaned the classroom yesterday. The classroom was cleaned by us yesterday. He must finish the homework. The homework must be finished. We will clean the classroom. The classroom will be clea

2、ned by us .,语 法 被动语态,语 态 分 类,英语动词有两种语态，主动语态和被动语态。主动语态表示主语是动作的执行者，被动语态表示主语是动作的承受者。如： They will build a new house. (主动) A new house will be built . (被动) 汉语中常用“被”、“给”、“由”、“受”等词用来表示被动，而英语中则用被动语态表示。,His brother washes bowls every day.,主,谓,宾(受动者),Bowls,are washed,by,his brother,every day.,He looked after

3、the little baby yesterday.,主,谓,宾(受动者),The little baby,was looked after,by,him,yesterday .,My mother waters the flowers every day. The flowers are watered by mother every day. We cleaned the classroom yesterday. The classroom was cleaned by us yesterday. He must finish the homework. The homework must

4、 be finished. We will clean the classroom. The classroom will be cleaned by us .,1、一般现在时被动语态 2、一般过去时被动语态,结构,am/is /are + 过去分词,was/were + 过去分词,4、含情态动词的被动语态,情态动词 + be + 过去分词,3.一般将来时被动语态,will +be +过去分词,被动语态的用法： 1、当不知道谁是动作的执行者； 2、没有必要或不想指出谁是动作的执行者时； 3、只需强调动作的承受者时。,is spoken,was taken,can finish,1.Knives

5、 _(use) for cutting things. 2.The windows of their classroom_ (clean)twice a month. 3.Tom _(ask) to turn on the computer yesterday.,EXERCISES,are used,are,cleaned,was asked,4.Most of the work _ (do)by women in this factory. 5.The work _(finish) today. 6.All the students _(ask) to bring a kite with t

6、hem last Sunday.,is done,must be finished,were asked,检测,Chinese _by more and more people in the world now.(2004) Ais spoken Bis speaking Cspeaks Dspoke,A,The doctor looked over peter carefully after he _ to the hospital.（2005） A. takes B. is taken C. took D. was taken It is said that potato chips _

7、by mistake about a hundred years ago. (2006课) A.invented B. invent C. are invented D. were invented,D,D,检测,Today Chinese_ by more and more people around the world.(2006) A was spokenB. is spoken C. spoke D. speak The Olympic Games _ every four years.(2007课) A. are held B. were held C. are holding D. will hold,B,A,This school has a long history. It _ 100 years ago.(2007) A build B builds C was built D has built,c, Whos the little baby in the photo, Susan? Its me. This photo _ ten years ago. A. takes B. is taken