求时间状语从句的概念 用法 例句 时间状语从句例句怎么写？
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eg:While John was watching TV,his wife was cooking.\u65f6\u95f4\u72b6\u8bed\u4ece\u53e5
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eg:The question is when he can arrive at the hotel.
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\u5e38\u7528if ,in case ,on condition\u7b49\u8bcd\u6765\u5f15\u5bfc
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\u771f\u5b9e\u6761\u4ef6\u53e5,
\u5982\uff1aIf it rains tomorrow,we won\u201dt go on a picnic.
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If I were you,I would go with him.
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\u4f8b\u53e5\uff1a
He didn\u2019t tell me when we should meet again.
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When you think you know nothing, then you begin to know something.\u5f53\u4f60\u4ee5\u4e3a\u81ea\u5df1\u4e00\u65e0\u6240\u77e5\u7684\u65f6\u5019\uff0c\u4f60\u5c31\u662f\u5728\u5f00\u59cb\u77e5\u9053\u4e00\u4e9b\u4e8b\u7269\u4e86\u3002
When truth is buried under the ground \uff0cit grows, it chokes, it gathers such an explosive force that on the day it bursts out , it blows up everything with it.\u5f53\u771f\u7406\u88ab\u57cb\u5728\u5730\u4e0b\u7684\u65f6\u5019\uff0c\u5b83\u5728\u751f\u957f\uff0c\u5b83\u611f\u5230\u538b\u6291\uff0c\u5b83\u84c4\u5b58\u7740\u8fd9\u4e48\u4e00\u79cd\u7206\u70b8\u6027\u529b\u91cf\uff0c\u4e00\u65e6\u5192\u51fa\uff0c\u5b83\u5c31\u4f1a\u70b8\u7834\u4e00\u5207\uff01
Strike while the iron is hot. \u8d81\u70ed\u6253\u94c1\u3002
You can feel the air moving as your hand pushes through it.\u5f53\u4f60\u7684\u624b\u5728\u7a7a\u6c14\u4e2d\u6325\u52a8\u7684\u65f6\u5019\uff0c\u4f60\u5c31\u80fd\u611f\u89c9\u5230\u7a7a\u6c14\u5728\u6d41\u52a8\u3002
Our headmaster laughed as she spoke.(\u6211\u4eec\u7684\u6821\u957f\u8fb9\u8c08\u8fb9\u7b11\u3002)
When you think you know nothing, then you begin to know something.\u5f53\u4f60\u4ee5\u4e3a\u81ea\u5df1\u4e00\u65e0\u6240\u77e5\u7684\u65f6\u5019\uff0c\u4f60\u5c31\u662f\u5728\u5f00\u59cb\u77e5\u9053\u4e00\u4e9b\u4e8b\u7269\u4e86\u3002
When truth is buried under the ground \uff0cit grows, it chokes, it gathers such an explosive force that on the day it bursts out , it blows up everything with it.\u5f53\u771f\u7406\u88ab\u57cb\u5728\u5730\u4e0b\u7684\u65f6\u5019\uff0c\u5b83\u5728\u751f\u957f\uff0c\u5b83\u611f\u5230\u538b\u6291\uff0c\u5b83\u84c4\u5b58\u7740\u8fd9\u4e48\u4e00\u79cd\u7206\u70b8\u6027\u529b\u91cf\uff0c\u4e00\u65e6\u5192\u51fa\uff0c\u5b83\u5c31\u4f1a\u70b8\u7834\u4e00\u5207\uff01
Strike while the iron is hot. \u8d81\u70ed\u6253\u94c1\u3002
You can feel the air moving as your hand pushes through it.\u5f53\u4f60\u7684\u624b\u5728\u7a7a\u6c14\u4e2d\u6325\u52a8\u7684\u65f6\u5019\uff0c\u4f60\u5c31\u80fd\u611f\u89c9\u5230\u7a7a\u6c14\u5728\u6d41\u52a8\u3002
Our headmaster laughed as she spoke.(\u6211\u4eec\u7684\u6821\u957f\u8fb9\u8c08\u8fb9\u7b11\u3002)
时间状语从句
用表示时间的连词连接一个句子作状语，这样的主从复合句就是时间状语从句。
例句
一、when“当……时”，引导时间状语从句时，从句用于表示主句动作发生的特定时间。如：
The days get longer when spring comes. = When spring comes, the days get longer.
春天到来时，白天变得更长了。
二、before“在……之前”，引导时间状语从句时，表示主句动作发生在从句动作之前。如：
Close the door before you leave the room.
离开房间前关上门。
三、after“在……之后”，引导时间状语从句时，表示主句的动作发生在从句的动作之后。如：
I went to school after I finished my breakfast.
吃完早饭后我就去上学了。
四、as soon as“一……就……”，引导时间状语从句时，表示主句动作紧接着从句动作发生。如：
I’ll call you as soon as I get home.
我一到家就给你打电话。
主句动作发生的时间用从句表达就是时间状语从句，如
When I stayed at London, I picked up some English.
一、时间状语从句的定义
用表示时间的连词连接一个句子作状语，这样的主从复合句就是时间状语从句。连接时间状语从句的连接词有：when, before, after, while, as soon as, until, since...... 如果主句是一般将来时，从句只能用一般现在时表示将来意义。
二、时间状语从句-从属连词
引导时间状语从句的普通类从属连词有when(当……时)，while(在……期间)，as(当……，一边……一边……)，before(在……之前)，after(在……之后)，since(从……以来)，till/until(直到)，whenever(无论何时)，as soon as(一……就)
注意：在时间状语从句中，不能用一般将来时、过去将来时态或将来完成时，而要用相应的一般现在时态、一般过去时或现在完成时来代替。
例句：I’ll telephone you as soon as I get there. 我一到达那里就打电话给你。
三、时间状语从句-时间状语
1、一般现在时 every …, sometimes, at …, on Sunday,
2、一般过去时 yesterday, last week, an hour ago, the other day, in 1982, just now
3、一般将来时 next…, tomorrow, in+时间
4、现在完成时 for, since, so far, ever, never, just, yet, till/until, up to now, in past years, always, recently
5、过去完成时 before, by, until, when, after, once, as soon as
6、过去进行时 this morning, the whole morning, all day, yesterday, from nine to ten last evening… when, while
7、将来进行时 soon, tomorrow, this evening, on Sunday, by this time, tomorrow, in two days, tomorrow evening
四、时间状语从句-时态问题
时间状语从句常用的连词有：when，as，while，before，after，since，till，until，as soon as，once。
1、时间状语从句中一般不使用将来时态，尽管主句使用将来时态，一般使用一般现在时态或现在完成时态。
例句：I'll go on with the work when I come back tomorrow.我明天回来，我将继续做这项工作。
2、till/until引导时间状语从句，主句的谓语动词如是延续动词，可使用否定或不用否定，如果是不延续动词，必须使用否定形式。
例句：He didn't go to bed until it was 12 o'clock last night.他昨晚十二点才上床睡觉。
3、as soon as, the moment, every time, each time, the minute, the instant, the day, the week, the year, the first time,next time, any time, the last time, all the time, from the time, by the time, immediately, instantly, directly等表示时间的词语，后面也可以接时间状语从句，表示“一……就……”。
4、主句使用过去进行时或过去完成时，或是was/were about to do sth.后面从句使用when从句，而且谓语动词使用一般过去时，这时when不当“当……时候”解，而当“突然”解。
扩展阅读：时间状语从句用法归纳 ... 时间状语的例子 ... 定语从句的七种用法 ... 时间状语从句造句简单 ... 时间状语从句怎么判断 ... 状语从句时态记忆口诀 ... 时间从句的用法及规则 ... for fear that虚拟语气 ... until时间状语从句怎么用 ...
