用when引导时间状语从句的句型结构搭配
when,while和as引导时间状语从句的用法
when, while 和 as 引导时间状语从句的用法一、when 的用法如果只从现象来看，when 从句用的最多的是一般过去时，而主句的时态没有限制,根据具体情况而定。
1. When he was a child he was always trying out new ideas.他小时候就常常试验一些新的设想。
2. When she came into my room, I was just reading a book. 她走进我房间时，我正在看书。
3. Were you writing when the teacher came in" 教师进来的时候，你在写信吗？4. Sorry, I was out when you called me. 对不起，你打来的时候我出去了。
5. He was on the point of leaving when someone knocked at the door.他正要走，这时有人敲门。
6. I thought of it just when you opened your mouth. 就在你要说话的时候，我也想到了。
7. I had hardly[scarcely] closed my eyes when someone knocked at the door.我刚一闭上眼，就有人在敲门了。
根据以上的例句，我们可以总结出一点：when 从句的A事件，相当于另一个事件B发生的时间点。
也就是说，when 从句的重点不在动作本身发生的状态，而只是把它作为一个时间点，所以when 多数情况下用的是一般过去时，则不用正在进展时。
因为如果用正在进展时，它表示的就是一段时间而不是一个时间点了。
根据这一点，有的文章补充说：when 从句的动词大多是瞬时动词。
这种说法也可以参照。
实际上，when 从句也可以有其它的时态，但几乎也不用进展时，因为它也只是作为一个时间参照点。
when引导的时间状语从句时态规则
when引导的时间状语从句时态规则1. 嘿，你知道吗，when 引导的时间状语从句，要是主句是一般将来时，从句就得用一般现在时呀！就像“我明天要去北京的时候，我会给你打电话”。
2. 哇塞，when 引导的从句动作先发生，主句动作后发生的时候，那从句就得用一般过去时，主句用过去进行时哦！比如“当他昨天进来的时候，我正在写作业”。
3. 哎呀呀，要是主句和从句的动作同时发生，那 when 引导的从句和主句都可以用一般过去时呀！就像“当她敲门的时候，我打开了门”。
4. 嘿，想不想知道，when 引导的从句是进行时态，主句是一般时态的时候，那从句得用延续性动词哦！比如说“当他正在看电视的时候，我回来了”。
5. 哇哦，when 引导的从句表示“就在那时”，那从句常用一般过去时，主句常用过去进行时或 was/were about to do 等，就像“我正在走路的时候，突然下雨了”。
6. 嘿，注意啦，当主句是过去进行时，从句是一般过去时，那这个时候 when 就像个小开关呀！比如“当我正在睡觉的时候，电话响了”。
7. 哎呀，要是 when 引导的从句表示一个新的情况发生，那从句就用一般现在时或现在完成时呀！就像“当他到达的时候，我们已经准备好了”。
8. 哇，when 引导的从句如果描述过去习惯的动作，那从句得用一般过去时呀！比如“当他小时候，他经常去河里游泳”。
9. 嘿，这里要记住哦，when 后面接瞬间动词的时候，就有特别的时态规则呢！就像“当门铃响的时候，我去开门”。
10. 哇塞，你看，这就是 when 引导的时间状语从句时态规则呀，是不是很有趣呢！就像“当我看到他的时候，我高兴极了”。
结论：这些 when 引导的时间状语从句时态规则真的很重要呀，掌握了它们，我们就能更准确地表达时间关系啦！。
定语从句when的用法
定语从句when的用法定语从句when的用法定语从句，一个简单句跟在一名词或代词后（先行词）进行修饰限定，就叫做定语从句。
下面是店铺为你带来的定语从句when的用法，欢迎阅读。
定语从句when的用法1when作为定语从句的引导词时，表示时间，在从句中充当时间状语，后面需要加上完整的陈述语序。
句式如下：表示时间的名词+when+完整陈述句+句子其它成分。
when引导的定语从句可以放在主语，宾语或者表语，甚至为名词的宾补之后。
例：The nightwhen we took a stroll in the parkwas so cold.咱们在公园散步的那个晚上好冷。
night 做主语，被定语从句when we took a stroll in the park 修饰。
I remember the nightwhen we took a stroll in the park.我记得那个咱们一起在公园散步的夜晚。
night变成了宾语，被定语从句when we took a stroll in the park修饰。
What I can never forget is the nightwhen we took a stroll in the park.我永不能忘记的是咱们一起在公园散步的那个夜晚。
night变成了表语，被定语从句when we took a stroll in the park修饰。
以上三组例句中，when后面所接的都是完整句，并且when 后的从句时态和主句一致。
前提是when充当的从句的时间状语，相当于是at the night.所以，以上三句，可以把when都改成at which。
写作必备when引导定语从句句式：There was a time when...... 曾经。
There was a time when people were never bothered by pollution.曾经人们不用为污染烦忧。
用when引导时间状语从句的句型结构搭配
No sooner had we finished the papers than class was over.
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Hardly had we got in the crops when it began to rain.我们
已收完庄稼就开始下雨。
I had no soonercome into the room than the door was closed. 我一进屋门就关了。 Hardly had I got into the room when it began to rain. 我一 进屋门就下雨。
--正语序：I had hardly got into the room when it began to rain. 我一进屋门就下雨。 No sooner had I got into the room than it began to rain. 我 一进屋门就下雨。
--正语序：I had no sooner got into the room than it began to rain.我一进屋门就下雨。
Japan that year.我很幸运,那是我那年第二次访问日本. It was the first time this year that he hadn’t [hasn’t] woonrkaed
Saturday.这是今年来他第一次在星期六不上班. This is the first time I have been here. 这是我第一次来
这里。 It'll be the first time I
have spoken in public. 这将是我
第一次在公共场所演讲。
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when引导的时间状语从句用法
when引导的时间状语从句用法1. When you see a rainbow, doesn't it just make you feel happy? For example, when I saw that beautiful rainbow after the rain, I was filled with joy.2. When she cries, it really breaks my heart. Just like when my sister cries, I feel so sad and want to comfort her right away.3. When he smiles, it's like the sun coming out. For instance, whenmy friend smiles at me, it lights up my whole day.4. When they play music, it can create such a wonderful atmosphere. You know, when those musicians played on the stage, everyone was enjoying it so much.5. When we go on an adventure, it's always so exciting! Remember when we went hiking in the mountains, it was an unforgettable experience.6. When you work hard, you will surely see the results. Isn't that right? Just like when I studied hard for the exam and got a great grade.7. When she dances, it's like she's in a different world. For example, when my cousin danced at the party, she was the star of the show.8. When they win the game, it's a celebration time! Just like when our team won the championship, we were all jumping up and down with excitement.My conclusion is that when used in time状语从句, it can add a lot of vividness and expressiveness to our language, helping us better describe and convey various situations and emotions.。
when 的用法
when 的用法一、基本用法When 是英语中常见的时间连接词，用于引导时间状语从句或条件从句。
它可以表示时间，在这种情况下通常与一般过去时连用；还可以表示条件，这时常与一般现在时或一般将来时连用。
当我们使用 when 时，要注意以下几个方面。
1. 当 when 引导时间状语从句时，主句和从句的动作在时间上是先后发生的关系。
例如：- I was watching TV when he called me.（他给我打电话的时候，我正在看电视。
）- When the guests arrived, the party had already started.（客人们到达时，聚会已经开始了。
）2. 当 when 引导条件从句时，主句和从句的动作在逻辑上是因果关系。
例如：- When you study hard, you will pass the exam.（当你努力学习时，你会通过考试。
）- When it rains, I prefer to stay at home.（下雨天我更愿意待在家里。
）二、特殊结构与搭配1. 使用虚拟语气：当主句表达的是虚拟条件或假设，并且从句中使用了具体过去时态，则在从句中使用 would/could/should/might + 动词原形。
例如：- If I were you, I would call him when I need help.（如果我是你，需要帮助的时候我会给他打电话。
）2. 使用连词关联从句：在 when 引导的时间状语从句中，可以与一些特定的连词搭配使用，使句子更加丰富多样。
例如：- You will find it easier when you get used to it.（当你习惯了它，你会发现它更容易。
）- He was kind enough to help me just when I needed assistance.（当我需要帮助时，他非常友好地帮助了我。
状语从句中的when,while ,as用法汇总
状语从句中的when, while和as的用法一．when，while，as在时间状语从句中的区别：①三者均可表示“当……的时候”，如果主句表示的是短暂的动作，而从句表示的是一段时间，三者可通用。
如：I met Kang Li as／when／while I was walking along the street．当我沿街散步时碰见了康丽。
②when可以和延续性动词连用，也可以和短暂性动词连用；而while和as只能和延续性动词连用。
如：It was snowing when we got to the airport．当我们到达机场时，天正下着雪。
（不能用while）③as强调主句与从句表示的动作同时发生，as常表示“随着……”；“一边……，一边……；while强调主句表示的动作持续于while所指的整个时间内；when 可指主、从句所述动作同时或先后发生。
如：As the time went on，the weather got worse．（as表示“随着……”之意）He sang as he went along．他边走边唱。
Please write while I read．我读的时候，请写下来。
When he reached home，he had a little rest．回到家后，他休息了一会儿。
④when用于表示“一……就……”的句型中（指过去的事情）。
somebody had hardly（＝scarcely）done …when．．．＝Hardly ／Scarcely had somebody done …when．．．①I had hardly ／scarcely closed my eyes when someone knocked at the door．＝Hardly ／Scarcely had I closed my eyes when someone knocked at the door．我刚一闭上眼，就有人在敲门了。
“When”作连词时的用法及译法大盘点
“When”作连词时的用法及译法大盘点“When”作连词时的用法及译法大盘点作者/袁凤兰对英语学习者来说，when是一个常见的单词，所以一看到when 就会脱口而出“当……时候”.这种翻译有时会闹出笑话甚至与其本意“南辕北辙”.因此，熟练掌握when作连词时的几种用法尤为重要。
笔者结合自己的教学经历对when的用法及译法做如下盘点：一、When作从属连词，引导状语从句1.when 译为“当……时候”这是when 最基本的用法，引导时间状语从句。
1）从句可放句首或句末。
放句首时，从句后面用逗号；放句末时，不用逗号。
【典例】The whole world were very anxious when the missing Malaysia Airlines Flight MH370 was reported.当马航失联客机MH370被报道时，世人都很着急。
When he was yet a child, he was fond of swimming.当他还是个孩子的时候，就喜欢游泳。
It was March 22,2014 Michelle Obama delivered a speech at Peking University.A.thatB.whenC.sinceD.before解析此题考查when 的用法“当……时候”.句意为：“米歇尔·奥巴马于2014年3月22日在北京大学演讲。
”【高考链接】（2013年安徽卷）It's much easier to make friends you have similar interests.A. unlessB. whenC. even thoughD. so that解析此题考查状语从句的连接词。
when 表时间。
句意为：“当你们有相似的兴趣时，你们会更容易成为朋友。
”所以答案是B.2）when既可引导持续性动作，又可引导短暂性动作。
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⑥It the first/second/third-time+ that did / had\have\ has + done 结构中,that-从句通常用过去完成时,有时也用一 般过去时,有时若有包括现在在内的时间状语,偶尔还可用 现在完成时：
I was lucky because that was the second time I(had) visited Japan that year.我很幸运,那是我那年第二次访问日本.
I was about to go out when it began to rain.
2.我正在做作业他就打电话给我。
I was doing my homework when he phoned me.
3.他一到学校就下雨。
No sooner had he got to school had he got to school when it began to rain. He had no sooner got to school than it began to rain.
It was the first time this year that hhe adn’t [hasn’t] work on a Saturday.这是今年来他第一次在星期六不上班.
This is the first time I have been here. 这是我第一次 来这里。
It'll be the first time I have spoken in public. 这将是 我第一次在公共场所演讲。
④It is/has been+时间段 since- did / have\ has + done 结构中,“自从.....有多长时间”，that-从句通常用过去完成 时,有时也用一般过去时。
It is two weeks since I came here. She said it was five hours since she had finished her
小结：用when引导时间状语从句的句型结构搭配 1.be about to do sth when 刚要,即将；正要做某事,突然 发生其他事 2.be doing sth when 正在做某事突然 3.had done sth when 刚刚做过某事突然 4.be at the point of doing sth when 就在做某事的关键时 刻突然 5.scarcely...when/hardly...when 几乎未来得及就…；刚 一…就… 6.no sooner...than 一…就… 1. 我刚要外出就下起了雨。
③Hardly- when-\No sooner- than- 都表示“刚 一……就……”，两个用法一样，可以互换。 如果要讲细微区别的话，就是hardly ..when ..更 紧凑一些，意思是“几乎未来得及做完A这件事， 紧接着就开始做B这件事”。 而no sooner.. than 意思是“刚做完A这件事，就做B这件事”。 两 者里面的hardly, No sooner如果放在句首，都必 须用倒装。 这是典型的过去完成时的句子。
work. ⑤It is the first/second/third-time+ that have/has
done...(第...次做某事)
It’s the first time Ihave seen her. 见到她 It’s the second timeWehave been there .到这里
--正语序：I had hardly got into the room when it began to rain. 我一进屋门就下雨。 No sooner had I got into the room than it began to rain. 我一进屋门就下雨。
--正语序：I had no sooner got intothe room than it began to rain.我一进屋门就下雨。
Hardly had we got in the crops when it began to rain.
我们已收完庄稼就开始下雨。
I had no soonercome into the room than the door was closed. 我一进屋门就关了。 Hardly had I got into the room when it began to rain. 我 一进屋门就下雨。
He had hardly got to school when it began to rain.
4.我们一做完试卷就下课。
No sooner had we finished the papers than class was over.