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重庆大学版（必修）英语1一年级《Theme C Learning to Know Helping others Unit 6 Helping People Grammar》优秀教学课件
(passive voice)
We speak English.
English is spoken by us.
Simple present
Am/is/are +done
Were/was+done
The house is built .
The houses are built.
The house was built.
The houses were built.
future
Be going to /will be +done
The house will be built
The house is going to be built
The house would be built .
The house were going to be built.
Present/past continous
Was/were+ being done
Am/is/are +being done
The house is being built.
The houses are being built .
The house was being built.
The houses were being built.
Present perfect
Has/have + been +done