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《Grammar》集体备课PPT课件优质课下载
English is spoken by lots of people in the world.
一、被动语态的意义: ( the meaning of the Passive Voice.)
当句子的主语是动作的_______时，谓语要用主动语态(the Active voice)。当句子的主语是动作的______时，谓语要用被动语态(the Passive Voice)。
执行者
承受者
二、被动语态的构成:( the Structure of the Passive Voice.)
be+ done(________的过去分词)+ by…, be有人称和数的变化。当没有必要指出动作的执行者时，介词by 短语可以________.
.
省略
及物动词
Make the sentences passive
1.Thousands of tourists visit Xi’an every year.
2.Did they build the Great Wall at the same time as the Grand Canal?
3. Europeans didn’t invent fireworks.
4. Did Gaudi design all the churches in Spain?
5. When did they build the Three Gorges Dam?
6.China produces a lot of computers.
1．一般现在时(the present tense )
Class meeting ______every Thursday.
2．一般过去时 (the past tense)
These cups ___________(break)by the boy.
am
is
are