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人教2003课标版《Learning about Language》优质课PPT课件下载
3.The sports meeting ___ _____ (hold) in our city last year.
4.Many buildings _____________ (build) in my hometown in the future.
is sung
are borrowed
was held
复习各时态（tense)的被动语态(passive voice)
will be built
一般现在时(simple present tense )的被动语态：
S(主语）+am/is /are + done (过去分词)
一般过去时(simple past tense) 的被动语态：
S + was/were + done (过去分词)
一般将来时(future tense)的被动语态：
S + will be + done
复习各时态（tense)的被动语态(passive voice)：
现在完成时(present perfect tense) 的被动语态：
S +have /has +been + done (过去分词)
1 Over time I have been changed quite a lot .
2 First as a PC and then as a laptop I have been used in offices and homes since the 1970s.
3 … I never forget anything I have been told !
4 Since the 1970s many new applications have been found for me.
5 He has also been put into robots and used to make mobile phones…
6 I have even been put into space rockets and sent to explore the Moon and Mars.
Discovering useful structures from the passage on p18:
present(now)
future