如何将被动语态改为,一般过去时、过去进行时、过去完成时、一般现在时、现在进行时、现在完成时、一般将来时、将来完成时,过去将来时,如:Tom mends his bike

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如何将被动语态改为,一般过去时、过去进行时、过去完成时、一般现在时、现在进行时、现在完成时、一般将来时、将来完成时,过去将来时,如:Tom mends his bike

如何将被动语态改为,一般过去时、过去进行时、过去完成时、一般现在时、现在进行时、现在完成时、一般将来时、将来完成时,过去将来时,如:Tom mends his bike
如何将被动语态改为,一般过去时、过去进行时、过去完成时、一般现在时、现在进行时、现在完成时、一般将来时、将来完成时,过去将来时,如:Tom mends his bike

如何将被动语态改为,一般过去时、过去进行时、过去完成时、一般现在时、现在进行时、现在完成时、一般将来时、将来完成时,过去将来时,如:Tom mends his bike
被动语态结构是be +过去分词,所以,各种时态的变化都是对 be 进行的,如:
一般过去时:did变成:was done
过去进行时: was/were doing----- was/were being done
过去完成时: had done---- had been done
一般现在时、do---- am/is /are done(
现在进行时、am /is /are doing ------ am/ is /are being done
现在完成时、have done-----have been done
一般将来时、will do ---will be done/// am/is /are going to do--- am/ is /are going to be done
将来完成时,will have done---- will have been done
过去将来时 would do ----would be done ///was /were going to do-- was/were going to be done

the past simple:Tom mended his bike.
the past continuous: Tom was mending his bike.
past perfect: Tom had mended his bike.
present simple: Tom mends his bike.
present continuous: Tom i...

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the past simple:Tom mended his bike.
the past continuous: Tom was mending his bike.
past perfect: Tom had mended his bike.
present simple: Tom mends his bike.
present continuous: Tom is mending his bike.
present perfect: Tom has mended his bike.
the future simple: Tom will mend his bike.
the future perfect: tom will have mended his bike.
the past future: Tom would have mended his bike.

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be动词+动词ing