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英语
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I couldn't see anything unusual in this room.请问这里的see为什么不用过去时?
人气：261 ℃ 时间：2020-04-09 21:40:49
解答
因为前面有情态动词could ,情态动词后接动词原形.故SEE 不用过去时.
加油!不明白再问!
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