——the teacher came into the classroom,many students were taking to each other.用when还是while.why?

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——the teacher came into the classroom,many students were taking to each other.
用when还是while.why?

简单告诉你,用when.因为when 后面的句子用过去式,while后面的句子用过去进行时,你就这样记吧

when 当老师进入教室的时候,很多同学在相互说话为什么不用whilewhen 既指时间点,也可指一段时间;
while,只指一段时间,因此when引导的时间状语从句中的动词可以是终止性动词,也可以是延续性动词,而while从句中的动词必须是延续性动词。因为老师进来是一个点时间,也就是不是一段时间,像come这种单词都是短暂性动词,老师走进教室就是一个点,如果你一定要用while应该把...

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when 当老师进入教室的时候,很多同学在相互说话

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when , while后面常跟进行时态的句子 当从句有when引导时 主句用进行时态 另外 后面是talking吧

when the teacher came into the classroom,many students were taking to each other。
为什么不能用while?while是during the time that,只指一段时间,而老师进来的一刹那是片刻,come这个动作也不是可以延续性动词。相反,talk是连续性动词。
When和While的区别

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when the teacher came into the classroom,many students were taking to each other。
为什么不能用while?while是during the time that,只指一段时间,而老师进来的一刹那是片刻,come这个动作也不是可以延续性动词。相反,talk是连续性动词。
When和While的区别
①when是at or during the time that, 既指时间点,也可指一段时间,while是during the time that,只指一段时间,因此when引导的时间状语从句中的动词可以是终止性动词,也可以是延续性动词,而while从句中的动词必须是延续性动词。
②when 说明从句的动作和主句的动作可以是同时,也可以是先后发生;while 则强调主句的动作在从句动作的发生的过程中或主从句两个动作同时发生。
③由when引导的时间状语从句,主句用过去进行时,从句应用一般过去时;如果从句和主句的动作同时发生,两句都用过去进行时的时候,多用while引导,如:
a. When the teacher came in, we were talking.
当此句改变主从句的位置时,则为:
While we were talking, the teacher came in.
b. They were singing while we were dancing.
④when和while 还可作并列连词。when表示“在那时”;while表示“而,却”,表对照关系。如:
a. The children were running to move the bag of rice when they heard the sound of a motor bike.
孩子们正要跑过去搬开那袋米,这时他们听到了摩托车的声音。
b. He is strong while his brother is weak.
他长得很结实,而他弟弟却很瘦弱。

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状语从句,用while
两个都可以引导
但是while更强调于动作 通常用于进行时

为你解答
用when
为什么不用while?
因为while后面要接连续性的动作,就是要接ing形式的。
比如:The teacher came into the classroom while the students were talking to each other.
希望帮到你。

when ,用从句when主句用进行时,表示的是“当老师进到教室时,很多同学正在互相说话”。为什么不用whilewhile 强调的是主句和从句的两个动作在同时进行,例如,while I was doing my homework, my brother is watching TV.
而when强调的是当从句发生时,主句正在进行的动作,有时也有“突然”的意思。例如,I was walkin...

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when ,用从句when主句用进行时,表示的是“当老师进到教室时,很多同学正在互相说话”。

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(the teacher came in when I was reading)是否正确 I was reading books until the teacher came in. 5.While the students_,the teacher came in. 6.I th5.While the students_,the teacher came in. 6.I thought it_. We were talking ____,the teacher came into the classroom I am singing_____he is dancing the teacher came into the classroom quiet 用when或while填空完成下列句子:1.i visited the museum of history —— i was studying in shengyang2.i took a photo of the alien ___it came out.3.students stopped talking __the teacher came into the classroom.4.____my mother was cooking,my ——the teacher came into the classroom,many students were taking to each other.用when还是while.why? I. came. back. ( ). the. Keep ( ),the teacher came in ( )(quiet) when i came in ,i found your teacher staying in the classroom 的同意句······咋改啊when i came in ,i found your teacher【 】 【 】in the classroom the students stopped talking when the teacher came inthe students stopped talking when the teacher came in(改为同义句)the students ____ ____talking ____the teacher came inhe came back yesterday.i gave him the note at once.(改为复合句 I heled the teacher. i _____cards when the teacher came in .A.was making B.have made C.made D.will make The students stopped______(talk)when the teacher came in. When the teacher came in ,the students stopped ______(talk ) The teacher came into the classroom with a smile ? herface. When the teacher came into the classroom,we stopped t________ The students------(stop)talking when the teacher came in