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人教2003课标版《Learning about Language》最新PPT课件优质课下载
Task 1
The Passive Voice
（被动语态）
(active voice)
… do….
(passive voice)
.... be done….
Change the active voice into passive voice.
1. Students and teachers plant trees in our school every spring.
?Trees are planted by students and teachers in our school every spring.
一般现在时的被动语态：
is/am/are done
Change the active voice into passive voice.
2. We found the lost boy at the street corner last week.
?The lost boy was found (by us) at the street corner last week.
一般过去时的被动语态：
was/were done
Change the active voice into passive voice
3. I will buy a new computer next year.
?A new computer will be bought next year.
We are going to hold a meeting at 8:00 am tomorrow.
?A meeting is going to be held at 8:00 am tomorrow.
一般将来时的被动语态:
will/shall be done
is/am/are going to be done