Did you hear someone knock at the door

来源：学生作业帮编辑：百度作业网作业帮分类：英语作业时间：2024/07/22 19:35:51

Did you hear someone knock at the door
为何knock不加ing,(不是宾补,使役动词,表感官或心理状态的动词后的动词都变现在分词吗?)

hear sb do sth表示“听到某人做了某事”,hear sb doing sth.表示“听到某人正在做某事”,一些感观动词如hear,see,feel,watch等后面既可以接宾语+do sth,也可接宾语+动词-ing形式构成复合宾语.根据情景及句意的需要许多时候只能用一种,但有时两者都可用而意义没多大区别.
再问：如改成Did you hear someone knocking at the door有錯嗎? 印象中,發問動詞好像要用基本式...
再答： Did you hear someone knocking at the door 是可以的没这说法

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