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,*,Revision-,the Passive Voice,被动语态,(a),Whats it made of?,-Its made of metal.,-Its used for riding.,-Its made in China.,Whats it used for?,Where is it made?,the Passive Voice,(被动语态）,被动语态表示主语是动作的承受者,.,被动语态的用法：,1,、当不知道谁、没有必要或不想指出谁是动作的执行者时；,2,、只需强调动作的承受者时；,3,、汉语中的“被、受、由”等词译成英文时；,4,、当动作的发出者不是人时，往往用被动语态,e.g.(1),English is spoken in Canada.,(2)She was elected the monitor of our class.,(3)I was shocked by the news.,e.g.1.They make trains in,Zhuzhou,.(,主动语态,),Trains _ in,Zhuzhou,.(,被动语态,),2.The farmers grow cotton every year.,Cotton _ by the farmers every year.,3.Many people speak English.,English _ by many people.,are made,is grown,is spoken,助动词,be+,及物动词动词的过去分词,被动语态的构成：,注意,:(,be,有人称、时态和数的变化,),时 态,被动语态结构,一般现在时,一般过去时,一般将来时,现在进行时,过去进行时,现在完成时,过去完成时,过去将来时,各种时态的被动语态,（时态体现在,be,动词时上）,am/is/are+done,was/were+done,will/shall be+done,am/is/are being+done,was/were being+done,have/has been+done,had been+done,would/should be+done,1.Trees _(plant)by us in spring every year.,2.The house _(build)last year.,3.Li Ming will _(ask)to attend the lecture.,4.A new building _(build)in our school now.,5.The road were _(repair).,6.He has _(send)to work in Guangzhou.,7.The work _(finish)when I got there.,8.The scientist would _(invite)to visit Iraq.,are planted,Exercises:,was built,be asked,being repaired,is being built,been sent,had been finished,be invited,主动语态变为被动语态的步骤,:,1.,把主动句的宾语变为被动句的主语,.,2.,把主动句的谓语动词变为,be+,动词的过去分词的形式,.,3.,把主动句的主语变为被动句中,by,后面的宾语（可以省略）。,注意：主动句变为被动句后，被动句的时态必须与主动句的句式、时态保持一致。,People,play,football,all over the world.,Football,is played,(,by people,)all over the world.,几种句式的被动语态,I.,含有情态动词的被动语态：,情态动词,+be+,动词的过去分词,e.g.We must keep the food in a cool place.,The food,must be kept,in a cool place.,II.,含有短语动词的主动句变为被动语态时，不要遗漏与动词连用的介词或副词。,e.g.We should take good care,of,the sick child.,The sick child should be,taken good care,of,.,III.,含有复合宾语的主动句变为被动语态时，若宾补为不带,to,的动词不定式，被动语态中必须加上,to,。,常见的这类动词有：,see,hear,watch,make,have,等,e.g.We often,hear him sing,in the next room.,He,is,often,heard to sing,in the next room.,The boss,made the workers work,12 hours a day.,The workers _ 12 hours a day.,were made to work,IV.,含有双宾语的主动句变为被动句时，直接宾语和间接宾语都可作主语。,e.g.My friends sent,me,some beautiful stamps,.,I,was sent,some beautiful stamps by my friends.,Some beautiful stamps,were sent,to,me by my friends.,We gave,Mike,nice gifts,on his birthday.,Mike,_ nice gifts by us on his birthday.,Nice gifts,_ Mike by us on his birthday.,was given,were given to,Exercises,：,把下列句子变为被动语态,1.Do they call the dog“Bobby”?,2.The policeman caught the man just now.,3.He will finish the letter soon.,4.They made little Tom walk up and down.,5.His friends often laugh at him.,6.They see the tall man go into the house in his class.,Answers:,1.Do the dog be call“Bobby”?,2.The man was caught by the policeman just now.,3.The letter will be finished soon.,4.Little Tom was made to walk up and down.,5.He is often laughed at by his friends.,6.The tall man is seen to go into the house in his class.,Bye-bye!,