资源描述
单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,典型例题,巩固练习,练习回顾,过去分词见一个背一个,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,.,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，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 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 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.smell,7.,This pen _ well.,A.,is sold,B.,sell,C.,sells,taste,smell,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.,died,9.,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.,needs 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.,taste,2,.,He was laughed 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 _ _ _ 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 finished,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.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.When 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 say: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 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 people 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
展开阅读全文