by the time的用法时态是什么?
by the time的用法时态是: 1、表示过去的动作:主句用had done+by the time+从句用一般过去时时态。 We had already left by the time they arrived. 那天他们到的时候,我们已经先走了。 2、表示将来的时态:主句用will have done+by the time+从句用一般现在时态。 We will have already left by the time they arrive. 一会儿等他们来的时候,我们就将离开了。 相关短语: By the time their rehabilitation 改过时间了 by the time when 等到 by the time of 到……的时候 when by the time 介词 By The Time Iarrived 在我到达之前
by the time的用法时态是什么?
by the time的用法时态是:by the time+过去时间,主句过去完成。by the time+将来时间,主句将来完成时。 到……为止 如果从句中的谓语动词是一般过去时,那么主句中的谓语动词通常用过去完成时,表示“截止到从句动作发生时,主句动作已经完成,即过去的过去”。 He had left by the time we reached home. 当我们到家的时候他已经走了。 如果从句中的谓语动词为一般现在时/或现在完成时(表示将来),那么主句中的谓语动词常为将来完成时,表示“截止到将来某一时间为止,主句动作将已经完成”。 By the time you get back,I shall have finished the work。 到你回来时,我将已经把活做完了。 By the time you get there the meeting will be over. 等你到了那里的时候,会议就该结束了。 By the time I arrived on the scene, it was all over. 我来到现场时,一切都已结束。
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- ○ lizzie velasquez
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- ○ rising是什么意思
- ○ rock river
- ○ donatello
- ○ puzzles
- ○ daegu
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