初中被动语态复习ppt课件.ppt

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1、被动语态,the Passive Voice,1.被动语态的用法2.如何将主动语态变成被动语态,中考考什么？,教学目标:1、能更好地掌握被动语态的构成。2、如何将主动语态变成被动语态。3、被动语态的用法。教学重点：如何将主动语态变成被动语态教学难点：被动语态的运用。,主动语态和被动语态结构的转换：,We clean our classroom every day.,Our classroom,is cleaned,主语,谓语,宾语,by us,every day,归纳：如何将主动语态改为被动语态？,主动语态变被动语态的步骤：,1.以主动句的宾语为主语。2.将动词改为“be+过去分词”，be动词

2、要以新的主语的人称、数来变化，同时时态不变，主动语态是什么时态，被动语态保持什么时态。3.将主动语态的主语改为by形式放在句末，如果是代词，则由主格改为宾格。,He plays basketball every week.,Basketball is played by him every week.,The Great Wall was built by Chinese people many years ago.,Chinese people built the Great Wall many years ago.,He can carry the basket.,The basket c

3、an be carried by him.,在被动语态中要注意的问题,一些使役动词(let,have,make等)或感官动词(see,hear，watch,notice等)真奇怪。主动语态后_，被动语态_。A.The boss makes the workers work 16 hours a day.The workers are made to work 16 hours a day by the boss.I saw him enter the house.He was seen to enter the house by me.,不带 to,to回来,C.We hear her sin

4、g in the room every day.She_ in the room every day.注意当使用see/hear/watch sb doing sth时，变为被动语态时，doing保持不变。如：I saw him going into the shop.(主动)He was seen _ into the shop.(被动),is heard to sing,going,2.若主动语态的动词是双宾语动词（如：give，pass，show等），变被动语态时，只把其中一个宾语变为主语，另一个宾语保留不动，称作保留宾语。若保留宾语是指人，前面要加上介词“to”。eg：He showe

5、d me his photos.I was shown his photos.OR:His photos were shown to me.,More words give sb sth=give sth.to sbshow sb sb sth=show sth.to sbpass sb sb sth=pass sth.to sbsend sb sb sth=send sth.to sb bring sb sb sth=bring sth.to sbtell sb sb sth=tell sth.to sb,3.如主动语态的动词是双宾语动词如buy,make等，变被动语态时，只把其中一个宾语变

6、为主语，另一个宾语保留不动，若保留的宾语是指人，前面要加上介词 for,e.g He bought me a pen.I was bought a pen A pen was bought for me.get sb sb sth=get sth.for sbbuy sb sb sth=buy sth.for sbmake sb sb sth=make sth.for sbmend sb sb sth=mend sth.for sbcook sb sb sth=cook sth.for sb,把下列主动句改为被动句,Lily writes many letters every day.They

7、 visited this farm last year.,Many letters,are written,by Lily,every day.,This farm,was visited,by them,last year.,1.The boy cleaned the desk a moment ago.The desk_ by the boy a moment ago.2.We will plant 2000 trees next year.2000 trees_ by us next year.,【走近中考】把下列句子变成被动语态,was cleaned,will be planted

8、,3.You must keep the room clean and tidy.The room _ clean and tidy by you.4.The police have caught the thief.The thief _ by the police.,must be kept,has been caught,Exercises：把下列句子变被动语态1.Many people speak English.2.People used knives for cutting things.3.We can use the box as a table.4.We should clean the classroom every day.5.She will repair the bike tomorrow.,See you,Thank you!,