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while后面为什么加doing,while后跟什么时态

When和while的用法 2023-02-21 18:41 608 墨鱼
When和while的用法

while后面为什么加doing,while后跟什么时态

可以,当主句主语和when后面引导的从句主语一致的时候即可。例如:When working in a group, we shouldwhile 加doing 的例句while doing sth 的意思是“当做某事的时候”,它是whle sb is/was doing sth 的省略形式,这种省略原则上要求主句与从句的主语一致。如:He fell asle

Although the police say efforts are being made, they are not doing enough. 尽管警方说他们正在努力,但是他们做得还不够。4.enough做代词,表示“够了”,如果while后面要接动词,就要加doing。如果while后面接句子或短语,就不用加。while 英[waɪl] 美[waɪl

What were you doing at nine last night? The radio was being repaired when you called me. 6. 过去完成时表示过去某个时间之前已经完成的动作,即过去完成时的动作发生在3.第15面:Paying attention to the intonationwhiletalking. 这是一个祈使句。其中的现在分词talking 与主意句的主语you是主动的逻辑主谓关系——你/你们交谈

英语中while doing的用法讲解英语中while 当He was selling the newspaper while he was waiting for the bus. =He was selling the newspaper while =He was selling the while后面加动词-ing形式,这个-ing不是动名词,而是现在分词。while是引导时间状语从句的连词,当时间状语从句的主语和主句的主语相同,从句的谓语动词中有be动词时,从句的主语

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