高中英语知识点精讲 Unit 4 Wildlife protection现在进行时的被动语态素材 新人教版必修2.ppt

1、知识点现在进行时的被动语态现在进行时的被动语态【一、现在进行时的被动语态】1)表示“某人/事此时此刻正在被”,主语是动作的承受者。2)现在进行时的被动语态形式：am/is/arebeing过去分词。现在进行时的被动语态【一、现在进行时的被动语态】它的否定形式是把not放在第一个助动词之后，即am/is/arenotbeing过去分词。疑问形式是把第一个助动词放到句首，句末改为问号，即“Am/Is/Are主语being过去分词？”特殊疑问句的形式：把特殊疑问词放在一般疑问句前面。What is being done on the new medicine?How many bridges are

2、 being built in the village?现在进行时的被动语态【一、现在进行时的被动语态】拓展：主动语态变被动语态:“三变”:原句主语变为by短语,宾语变为主语,谓语由主动变为被动；“三不变”:原句意思不变,原句时态不变,原句主谓宾以外成分不变。They are building nine parks.Nine parks are being built.How many parks are being built?现在进行时的被动语态【二、现在进行时的被动语态基本用法态】1.表示现在正在进行Mary is being interviewed now.Whats the matt

3、er?My car is being repaired now.现在进行时的被动语态【二、现在进行时的被动语态基本用法态】2.表现阶段正在进行的被动动作。The disease is being studied at present by scientist.The life of the panda is being studied at present.现在正在研究熊猫的生活环境。现在进行时的被动语态【二、现在进行时的被动语态基本用法态】3.少数及物动词的进行时表示按计划、安排将要承受某个动作。Some rock music is being played by them next.下面将

4、由他们演奏一些摇滚音乐。A party is being held tonight.今晚将要举办一场晚会。现在进行时的被动语态【二、现在进行时的被动语态基本用法态】4.有些动词进行时的主动形式就可以表示被动的意思,常见的这些动词有:print,cook,fry,bake,burn,hangThe house is burning.The meat is cooking.现在进行时的被动语态【二、现在进行时的被动语态基本用法 态】5.在某些“介词+名词”的短语也可以表示正在进行着的被动,常见的这些介词有:on,underMany new cars are on show.=Many new ca

5、rs are being showed.Your questions are under discussion.=Your questions are being discussed.现在进行时的被动语态【二、现在进行时的被动语态基本用法态】6.有些表“状态,心理活动，情感”等的动词,常用一般现在时的被动语态表示“正在进行”。You are wanted on the phone.MP3 is becoming more and more popular.In other words,it is loved by more and more people.现在进行时的被动语态【三、相关链接-各

6、种时态的被动语态】1、一般现在时：am/is/are+过去分词2、一般过去时：was/were+过去分词3、现在进行时：am/is/are being+过去分词4、过去进行时：was/were being+过去分词5、一般将来时：will be+过去分词6、过去将来时：would be+过去分词7、现在完成时：have/has been+过去分词现在进行时的被动语态【三、相关链接-各种时态的被动语态】8、过去完成时：had been+过去分词 1）、一般现在时：I help him.He is helped by me.2）、一般过去时：I helped him.He was helped b

7、y me.3）、现在进行时：I am helping him.He is being helped by me.4）、过去进行时：I was helping him.He was being helped by me.现在进行时的被动语态【三、相关链接-各种时态的被动语态】5）、一般将来时：I will help him.He will be helped by me.6）、过去将来时：I would help him.He would be helped by me.7）、现在完成时：I have helped him.He has been helped by me.8）、过去完成时：I

8、had helped him.He had been helped by me.现在进行时的被动语态【四、练习题】1.-Have you moved into the new house?-Not yet,the rooms _.A.are being painted B.are paintingC.are painted D.are being painting2.When and where to go for the on-salary holiday _.A.are not decided B.have not been decidedC.is not being decided D.

9、has not been decided现在进行时的被动语态【四、练习题】3.The manager entered the office and was happy to learn that four-fifths of the tickets _.A.was booked B.had been bookedC.were booked D.have been booked4.In some parts of the world,tea _ with milk and sugar.A.is serving B.is served C.serves D.served5.This is Teds

10、 phone.We miss him a lot.He _ when he was trying to save a child in the earthquake.A.killed B.is killed C.was killed D.was killing现在进行时的被动语态【四、练习题】Keys:1.A 2.D 3.B 4.B 5.C解析：1.A“house”和“paint”应该是被动的关系，排除B，D。后者未搬进新居的原因是房子正在油漆，所以要用现在进行时的被动语态。不能用一般现在时表示习惯性动作，排除C。现在进行时的被动语态【四、练习题】2.decide是及物动词，动作的发出者通常是人，句中的主语是动作的承受者，所以decide要用被动语态。从题干的语境和关键词yet，可判断用现在完成时，不定式做主语用单数，故用现在完成时的被动语态。3.句中tickets是book(订票)的承受者，主谓为被动关系，又因票已被订出应发生在entered the office这个过去动作之前，所以要用过去完成时的被动语态。现在进行时的被动语态【四、练习题】4.B 因为serve是及物动词，其动作承受者tea作主语，表示经常发生的情况，故用一般现在时的被动语态。5.Ted是kill的承受者，用被动语态，且Ted救人发生在过去，所以用一般过去时的被动语态。