(1)英语的动词有主动语态和被动语态之分,没有“主动语气”和“被动语气”的说法。
(2)在主动语态的句子中,含有介词的短语动词必须带宾语,变为被动语态的句子后,原来的介词不能省略,也不能带宾语。如:Must take good care of the
children.( take good care of是主动语态) The children must be
taken good care of. ( be taken good care of是被动语态)
make a mess of 是一个短语动词,在主动语态的句子中,介词后面必须有宾语,变为被动语态后,介词不能省略,也不能带宾语。