公开课-中考英语被动语态专题复习课件.ppt

1、festival.swf,中考复习被动语态（一）,被动语态的构成 被动语态由“助动词be+及物动词的过去分词”构 成。被动语态时态的变化只改变be的形式，过去分词部分保持不变。,形式 ： be done,一、AAA型（动词原形、过去式、过去分词同形）,cost (花费) cost cost cut(割) cut cut hit (打) hit hit hurt (伤害) hurt hurt let (让) let let put (放) put put set（设立） set set read(读) read /red/ read,二、AAB 型(动词原形与过去式同形) beat (跳动) b

2、eat beaten,三、ABA型(动词原形与过去分词同形) become(变成) became become come came come run(跑) ran run,四、ABB型(过去式与过去分词同形) dig (挖) dug dug leave( 离开) left left hang (吊死) hanged hanged hang (悬挂) hung hung hold (抓住) held held shine (照耀) shone shone sit (坐) sat sat win won won,五、ABC型(动词原形、过去式与过去分词三 者不同形) begin (开始) bega

3、n begun drink (喝) drank drunk ring (铃响) rang rung sing (唱) sang sung swim (游泳) swam swum draw (画) drew drawn fly(飞) flew flown,The flowers 主(承受者),every day.,are watered,by her,She waters the flowers every day. 主(执行者) 谓 宾(承受者),主语,be+ P.P(过去分词),by +宾语,顺口溜：宾变主，主变宾，by短语后面跟；谓语动 词变被动，be后“过分”来使用。,探究 主动变被动的

4、方法:,抄下来,He rides the motorbike to his factory every day.,The motorbike is ridden to his factory every day.,变为被动语态一,一般现在时的被动语态:,am/is/are+过去分词,Exercise:,The bottle _ (fill) with hot water. 瓶子里装满了热水。 2. Cameras _ (use) for taking photos. 相机是用来照相的.,are used,is filled,3.The classroom is very clean and i

5、t _ (clean) by us every day. 4.The toys in the supermarket _ (make) in China. 5.Beijing is a beautiful city and it _ (visit) by many people every year.,is cleaned,are made,is visited,He bought some fruits yesterday.,Some fruits were bought yesterday.,变为被动语态二,一般过去时的被动语态:,was/were+过去分词,Exercise:,1.A n

6、ew machine _ (invent) last month. 一种新型机器上个月被发明。 2.They _ (ask) a question by the teacher yesterday. 昨天他们被老师问了一个问题。,were asked,was invented,3.The book _ (write) by him last year. 4.Our school has a long history. And it _ (build) in 1958. 5.Many students _ (send) to America to study by our school last

7、 year.,were sent,was built,was written,The girl will finish her homework in twenty minutes.,Her homework will be finished( by the girl) in twenty minutes.,变为被动语态三,1.The letter _ (post) tomorrow. 这封信明天将被寄走. 2.A new film _ (show) next week. 一部新电影下周将被上演.,一般将来时的被动语态:,will+be+过去分词,Practice :,will be post

8、ed,will be shown/ showed,3.The hard work _ (finish) tomorrow and then well have a two-day off. 4.A party _ (hold) for grandmas birthday next week. 5.She has moved to the new building. Her old house _ (sell) soon.,will be finished,will be held,will be sold,He may carry the basket easily.,The basket m

9、ay be carried by him easily.,变为被动语态四,Our students mustnt smoke cigarettes.,Cigarettes mustnt be smoked by our students.,带有情态动词的被动语态:,情态动词+be+过去分词,Practice :,1.English _(learn) well. 英语必须被学好. 2.The computer _(repair) by us. 电脑可以被我们修好.,can be repaired,must be learned,3. The young trees must _(look) af

10、ter well. 4. Wild animals should _(protect). 5. The raising of the flag can _(see) every morning at Tiananmen Square.,be looked,be protected,be seen,Lets practice,二、用所给动词的正确形式填空 1. Too much water_by him every day. (drink) 2. Two apples _ by Tom just now. (eat) 3. He _ a model plane by hand tomorrow.

11、(make) 4.-Did you go to the party last night? -No,I wasn,t _.(invite),一、用be的正确形式填空 1.Many trees _planted by us every year. 2.1000 trees _planted by us last year. 3. A knife _ used to cut apples. 4. The students _ asked to have breakfast. 5.The rooms _cleaned later. 观察: be动词有_,_和_的变化.,is drunk,were e

12、aten,are,were,is,are,时态 人称 数,will make,invited,will be,二、英汉互译:,1.她是由我帮助的. 2.他昨天被送到医院。 3.汉语将被广泛使用。 4.这些花每天要浇水. 5.树不应该被砍断。,She is helped by me.,He was taken to the hospital yesterday.,Chinese will be used widely.,These flowers are watered every day .,Trees shouldn,t be cut down.,Writing,保护环境对于我们来 说很重要

13、，每天树木 在被砍伐，废物被乱扔， 空气被污染，污水被排放 到河里，野生动物被杀,朝阳在北京和中国都很 著名，新的建筑很快将被 修建，更多重要会议将在 这里被召开，它将被许多 的人参观，它将被越来多 的人所热爱，我们相信将 被全世界人民所了解。,Summary,巧记主动语态变被动语态顺口溜： 主动变被动，划分句子成分主、谓、宾首先用，接着判断时态巧布控，主动谓语变被动，be+过分来使用。 宾语变主语，主语by宾语，谓语be+过分随时记。 情态动词变被动，情态+be+过分。 双宾物作主，指人宾语前要带for或to. 使役、感官动词后，宾补动词别忘加to 用。 其余部分不变化，抄下完整句子好说话。 一般现在时，is/am/are+过分来使用； 一般过去时，was/were+过分来使用； 一般将来时，will/shall+be+过分来使用； 情态动词被动语态，can/could/must/should/would/may+be+过分来使用。,Homework （一） 把下列句子变为被动语态 1.He cleans the classroom everyday. 2.They finished their homework. 3.I can mend his bike. 4.She will buy ten books tomorrow. 5.We shouldnt allow them