时间状语从句
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发布时间：2022-04-23 02:25
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热心网友
时间：2023-09-16 21:09
时间状语从句表示时间，常用的关联词有when, while , as , until, after, before, once, since, as soon as, whenever, every time等等。特别注意,时间状语从句不允许使用将来时,而应该用现在时替代。（主将从现）
1) When you cross a main road, you must be careful.
2) He went out to play football after he had finished his homework.
3) Wait until you are called.
4) You have changed so much since we last met.
5) He is so terrible once he is drunk.
