《九年级被动语态复习.ppt》由会员分享，可在线阅读，更多相关《九年级被动语态复习.ppt（31页珍藏版）》请在三一办公上搜索。
1、The Passive Voice,复习目标1、掌握语态基本概念；2、熟悉常见语态转换；3、在语篇中理解和运用被动语态。复习重点:1.一般现在时和一般过去时的被动语态；2.一般现在时带情态动词的被动语态。3.一般将来时和现在完成时的被动语态。复习难点:1.被动语态中be形的确定；2.主动语态中省略to的宾补在被动语态中须补上to.,基础知识回顾1、观察结构执行者+动词+承受者 Workers make cars in this factory.主 谓 宾承受者+be+动词过去分词+(by+执行者)Cars are made(by workers)in this factory.主 谓 2、总结
2、概念：谓语动词的执行者作主语，用主动语态。谓语动词的承受者作主语，用被动语态。分类与构成4.用法：a.当不知道谁是动作的执行者时；b.没有必要或不想指出谁是动作的执行者时；c.只需强调动作的承受者时。,She waters the flowers every day.,The flowers,every day.,are watered,by her,The students planted many trees in 2006.,Many trees were planted by the students in 2006.,My daughter will feed the ducks.,
3、The ducks will be fed(by my daughter)tomorrow.,They have done their homework for one hour.,Their homework has been done by them for one hour.,She can do these actions well.,These actions can be done well by her.,知识小结 主动语态变被动语态的步骤：1、主动语态的宾语变为被动语态的主语；2、主动句的谓语动词变为被动结构；3、主动句的主语变为被动句的宾语，由by引出，当不强调动作的执行者时
4、，常省略。,A guessing competition,课堂小憩轻松一刻,What is it?Who is he or she?,1.It was built in Taiyu town,and there are many middle school students in it.2.He will be missed forever by us.He is our headmaster.3.Its very lovely.And it is called“mimi”by us.4.Its like our second home.We study in it.It should be
5、cleaned every day.,be+PP,被动语态的基本结构:,直刺中考 考点一:,1.Now English _ by more and more people all over the word.A.speaks B.is spoken C.was spoken,2.The lost boy _ at the street corner last night.A.was found B.is found C.was looked for,3.More man-made satellites _ in the future.A.will send up B.will be sent
6、up C.are sent up,4.Three bridges _ since last year.A.have built B.were built C.have been built,5.Flowers _ every day.A.has been watered B.should be watered C.should water,小结：1.找标志词，判定时态。2.看主谓之间的关系，判定语态。,6.It _ sweet.A.is smelled B.smells C.smell7.This pen _ well.A.is sold B.sell C.sells,taste,smell,
7、sell等动词用主动语态表被动.,考点二:,被动语态中的特殊情况:,8.Many people _ during the earthquake in May,2008.A.were died B.dead C.died9.What _ to that man?A.happened B.was happened C.happen,happen,die等动词不使用被动.,10.We laugh by the story.A.were made B.were made to C.made,“一感二听三使四看”在被动句中to要还原,11.Your desk _.A.needs repair B.nee
8、ds repairing C.needs to repair,need可以用-ing形式表示被动need to be done=need doing,在汉语中，有一类句子不出现主语，在英语中一般可用被动结构来表示，例如：据说It is said that 据报导It is reported that 据推测It is supposed that,Practise makes perfect,熟能生巧,实战演习,实战演习一1.Good medicine _ bitter to the mouth.（天津市中考题）A.tastes B.is tasted C.taste2.He was laugh
9、ed at by all people.(北京市中考题）A.was laughed B.was laughed at C.laughed at 3.He _ enter the building last night.(黄冈市中考题）A.saw B.was seen to C.was seen,4.I found the ticket on the floor this morning.(济南市中考题）_ _ _ _ on the floor this morning.（变被动语态）5.He can mend the bike in two days.(青岛市中考题）The bike _ _
10、_ in two days.6.They grow vegetables on the farm.The vegetables _ _on the farm.（上海市中考题）,T,The ticket was found,can be mended,are grown,1.我进不去是因为门锁了.I couldnt get in because the door _.2.这位老人经常使我们笑。We are often _by the old man.3.这项工作已经完成很长时间了.This piece of work _for a long time.,was locked,has been f
11、inished,实战演习二,made to laugh,Reading comprehension:,Now scientists are trying to turn deserts into good land again.They want to bring water to the deserts,so people can live and grow food there.However,more and more land is becoming the deserts.Why is this happening?There are two reasonsland and wood
12、.In many places the trees have been cut down because the land was needed for people.In other parts,the trees are cut down because their wood is wanted.But many people dont know that in most places the trees wont be replaced（取代）.The soil in the forests is very thin,but it is protected by the trees.Wh
13、en the trees are cut down,the soil is washed away by the rain or blown away by the wind.Soon nothing can grow on it.The land becomes a desert.Who is to blame（应负责、责备）for this?The answer is easy:all of us.There are just too many people in the world.The worlds population is now six billion.You might sa
14、y:We dont cut down trees.Yes,but just look around.Youre probably using its products（产品）right now.,()1.Scientists are trying to bring _ to the deserts.A.food B.planes C.water D.animals,()2.The _ are important to protect the soil.A.rain B.trees C.land D.wood,()3.In most places after the trees are cut
15、down,_.A.they can grow again B.they will disappear forever C.new trees can grow better D.new forests will appear,()4.The reason for the bad cycle（循环）is that _.A.people need more land to grow food B.wood is needed for building houses C.there are too many rich people on the land D.there are too many p
16、eople on the earth,C,B,B,D,Complete the passage:,A great deal of water is needed in large cities.Some cities pump(抽水）,water from wells.Some cities g_ water from lakes or rivers n_.,But some cities have to bring water from lakes or rivers many miles away.,Water is usually b_ to a city from a place hi
17、gher than the,city itself.When water is f_ only in the lower place,it must be,pumped up to the city.Then it is s_ to each home.,Dams(水坝)are often b_ in a river to keep the water from,flowing away.Then a new lake is formed.The city knows how much,water will be n_ and allows the extra(额外的)water to flo
18、w,below the dam.I _ this way,the city stores water for its use.,There is usually a b_ near the dam.Much important,work is d_ there.For example,the water is tasted before it is,piped to the city.,et,earby,rought,ound,ent,uilt,eeded,n,uilding,one,Fill in the blanks with the verbs using right tenses an
19、d voices:,1.Large numbers of plastic bags _(use)in the supermarkets,every day.,2._ our country _(send)up another man-made satellite last year?,3.Must the old people _(speak)to politely?,4.Her grandma was still alive when he _(take)to the hospital.,5.English _(speak)in many counties,but the Chinese _
20、,(speak)their own language.,6.Three quarters of the worlds books_(write)in English.,7.This kind of sweater _(sell)well.,8._ Lesson 50 _(teach)next week?,are used,Did,send,be spoken,was taken,is spoken,speak,are written,sells,Will,be taught,Writing:,你们学校附近有一个大图书馆，馆内有各种各样的书，请你将这个图书馆的要求向你的同学作一介绍，以便他们去那儿看书时能遵守规则。,不要把包带进图书馆。,2.看书时保持安静。,一次可借四本书，不能将书转借给别人，,4.图书馆每天早晨8:00开门，必须在下午6:00前,要按时还书。,离开图书馆。,要求：用英文写一篇6080词左右的短文。,1、一般现在时的被动语态2、一般过去时的被动语态3、一般将来时的被动语态4、现在进行时的被动语态5、情态动词的被动语态,GOODBYE,
