为什么这里不要还原to?I heard the boy singing just now.The boy was hea

问题描述:

为什么这里不要还原to?I heard the boy singing just now.The boy was heard singing just now.
1个回答 分类:英语 2014-11-08

问题解答:

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hear +宾语 + 宾补[ do/doing/v+ed ]
hear +宾语 +do 宾补此结构中是省略了to的不定式.当变成被动时才要还原to
 
 
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