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she boiled milk before she drank the milk.

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she boiled milk before she drank the milk.
这句话对吗
she boiled milk before she drank the milk.
she (had) boiled milk before she drank the milk.
在喝牛奶前,她先把牛奶煮沸了.
before从句是过去时,主句的动作是发生在它之前的,应该是用过去完成时,要加上助动词had.
再问: 加had这句话就对了嘛
再答: 时态是个最主要的问题,现在把用词再调整一下。 She had boiled the milk before she drank it. 牛奶是特指的,后面用it避免重复。