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必修4《Grammar》集体备课PPT课件优质课下载
Part 1
Game time
Look carefully:
Which three places have been changed in the second picture?
move separate open
The cup has been moved.
The cups have been separated
The book has been opened.
Differences:
simple
continuous
perfect
present
is/am/are done
is/am/are being done
have/has been done
past
was/were done
was/were being done
had been done
future
will/shall be done
pastfuture
would be done
modalverb