when用什么时态

"when" 是一个表示时间的副词或连词,它可以用于不同的时态中,具体使用何种时态需要根据句子结构和上下文来考虑。

1. 使用现在时态

当“when”引导一个时间状语从句时,时间状语从句中的动词通常使用现在时态。例如:

- You should call me when you get home. (你到家后应该给我打电话。)

2. 使用过去时态

如果主句中的动词是过去时态,时间状语从句通常使用过去时态。例如:

- I saw her when she came home. (我看到她回家的时候。)

3. 使用过去完成时态

如果需要在时间状语从句中表示一个更早的过去事件,我们需要使用过去完成时态。例如:

- He had finished his homework when I arrived. (我到的时候他已经写完他的家庭作业了)

拓展:

when引导的时间状语从句,一般是两个情况,一个是主将从现,比如I will visit you when I am free.还有一个是从句用一般过去时,主句用过去进行时,比如I was reading a book when he came.



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  • when寮曞鐨勬椂闂寸姸璇粠鍙鏃舵
    绛旓細when寮曞鐨勬椂闂寸姸璇粠鍙ユ椂鎬佷负杩囧幓涓鑸椂銆倃hen寮曞鏃堕棿鐘惰浠庡彞锛岃〃绀衡滃綋鈥︹︾殑鏃跺欌濓紝when鏃㈠彲浠ユ寚鏃堕棿娈碉紝涔熷彲鎸囨椂闂寸偣锛屼粠鍙ヤ腑鏃㈠彲鐢ㄥ欢缁у姩璇嶏紝涔熷彲鐢ㄩ潪寤剁画鎬у姩璇嶏紝涓斿姩浣滄棦鍙拰涓诲彞鐨勫姩浣滃悓鏃跺彂鐢燂紝鍙堝彲鍦ㄤ富鍙ョ殑鍔ㄤ綔涔嬪墠鎴栦箣鍚庡彂鐢熴倃hen鐨勬椂闂寸姸璇緥鍙ュ涓嬶細1銆乄hen I lived in the countryside...
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  • when鐨勬剰鎬濅负褰撯︹︾殑鏃跺,鍚庨潰鍙窡鐨鏃舵鏄:
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  • when鐨勭敤娉鏃舵鏈夊嚑绉
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  • 鍙ュ瓙涓湁When鐢ㄤ粈涔堟椂鎬?
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  • 扩展阅读:when主从句时态大全 ... 初中阶段when和while ... when+动词ing的用法 ... 一般过去时when前后时态 ... when引导的三种时态 ... 什么时候用when提问 ... when后面什么时候用doing ... when后加doing的情况 ... when后面什么时候用过去式 ...

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