She must take an aspirin.
问题描述:
She must take an aspirin.
请问这里的take为什么不加S,不是说三单作主语的句子,后面的的动词要加S的吗?
答
因为其前面有情态动词MUST呀,情态动词后必须接动词原形,而且不受人称和数的影响.
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