Section Ⅲ Grammar——复习状语从句
[语 境 自 主 领 悟]
先观察原句 1.When he retired at the age of 26，he had won 106 gold medals in major 1.句1和句4都是时间状语从句，when表示“当……时候”，whenever表示competitions across the world. 2.But even though he had won “每当……时候”。 everything it was possible to win in his 2.句2由even though引导的让步状语从sport，Li Ning retired with the feeling that 句，even though意为“尽管，即使”。 he had failed. 3.If you go into a school or university anywhere，the chances are you will see students in Li Ning tracksuits with the familiar logo. 4.Whenever Chinese athletes step out onto the track during the 2019 Olympics，they will be wearing Li Ning tracksuits. [语 法 精 要 点 拨] 一、时间状语从句
1．when，while和as引导时间状语从句
(1)when从句的动作和主句的动作可以同时发生，也可以先后发生，从句谓语动词为延续性动词或非延续性动词。
When I lived there，I used to go to the seashore on Sundays. 我住在那里时，星期天常到海滨去。
(2)while从句的动作与主句的动作同时发生，从句的谓语动词为延续性动词。 Please don't talk so loud while others are working. 别人工作时，请别高声谈话。
(3)as从句的动作与主句动作交替进行或同时发生，可翻译为“随着；一边……一边……”。
3.句3由if引导的条件状语从句，if表示“如果”。 后自主感悟 第 1 页
He hurried home，looking behind as he went. 他匆忙回家去，一边走一边回头望。
As time went on，it's getting warmer and warmer. 随着时间的推移，天越来越暖和了。 2．till和until
在肯定句中主句谓语动词应是延续性的，而在否定句中主句谓语动词应是非延续性的；till不可位于句首，而until则可以。
You may stay here till/until the rain stops. 你可以待在这里直到雨停。
I won't see him till/until his anger has cooled down. 等他怒气消了，我再去看他。 Until you told me，I had no idea of it. 直到你告诉我，我才知道这件事。 [名师点津]
not until置于句首时主句要用部分倒装。
Not until nine o'clock yesterday evening did we finish the work. 直到昨晚九点，我们才完成这项工作。 3．before和since
(1)before本意为“在……之前”，还可引申为“还未……就……，不到……就……；趁……；还没来得及……就……”。before引导时间状语从句的常用句型：
①It was＋时间段＋before从句(一般过去时)过了多久才…… ②It will be ＋时间段＋before从句(一般现在时)要过多久才…… He had put the broken vase away before his mother came back. 他趁妈妈还没回来就把打碎的花瓶收拾好了。 It was some time before we realized the truth. 过了一段时间我们才了解了真相。 It will be half a year before I come back. 半年之后我才回来。
(2)since意为“自从……以来”，主句用完成时。since引导的从句如果用非
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延续性动词，常理解为某一状态的终止；若用延续性动词或状态动词，则理解为某一动作的开始。since引导时间状语从句的常用句型：It is/has been＋时间段＋since...自从……以来多久了。
He has written to me frequently since I got sick. 自从我病了以后，他经常给我写信。 It is three years since he came to our school. 他来我们学校已经三年了。 It is three years since he smoked. 他戒烟已经三年了。
4．引导时间状语从句的名词词组
一些表示时间的名词词组，如the moment，every time，each time，the first time，the last time，the next time，the minute，the instant等可以用来引导时间状语从句，起连词的作用。
The moment I saw her，I knew there was something wrong. 我一看到她，我就知道出事了。
Every time I was in trouble，he would come to help me. 每次我处于困境，他就会来帮助我。 5．表示“一……就……”的引导词
as soon as，immediately，directly，instantly，the moment/minute/instant，no sooner ...than ...，hardly/scarcely ...when ...等都可引导时间状语从句，表示“一……就……”。
The boy burst into tears immediately he saw his mother. 这个男孩一看到他妈妈就放声大哭。 [名师点津]
no sooner...than...；hardly...when...结构中，no sooner与hardly置于句首时，其后的句子用部分倒装。
No sooner had we arrived at the station than the train left. 我们一到车站，火车就离站了。 [即时训练1] 单句语法填空
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①When they heard the news，they were very surprised.
②While/When I was working in Beijing，I learned a lot from Mr.Zhang. ③As you grow older，you'll know better and better about yourself. ④We didn't discuss the problem until he came back.
⑤I have heard a lot of good things about you since I came back from abroad.
【导学号：71812043】
二、条件状语从句
引导条件状语从句的连词有：if，unless，as/so long as，suppose/supposing (that)(倘若；如果)，provided/providing (that)(倘若；如果)，on condition that(条件是)，in case(以防)等。
Unless he studies hard，he will never pass the examination. 除非他努力学习，否则永远不能考及格。
We can overcome the difficulties as long as we are organized. 只要我们组织起来，我们就能克服困难。
You can use this room suppose/supposing that you keep it clean and tidy. 如果你能保持房间干净整洁，你就可以用这间房间。 [即时训练2] 单句语法填空
①If no actions are_taken(take)，many rare animals will die out in the world. ②He is sure to come unless he has some urgent business. ③Provided/Providing(provide) he doesn't come，what shall we do? 三、让步状语从句
1．引导让步状语从句的连词有：although，though，while(尽管，虽然)，even if/though，whether ...or ...，疑问词＋-ever与no matter＋疑问词等。
Even if it should rain tomorrow，we will continue our work. 即使明天下雨，我们也要继续工作。
Whether you go or not，I will go to visit my teachers. 不管你去不去，我都要去看望我的老师。
Whatever/No matter what you want to do，please look before you leap. 不管你想做什么事，请三思而后行。
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2．as引导的让步状语从句需采用部分倒装，有时though引导的让步状语从句也采用部分倒装。
Try as he might，he couldn't solve the problem. 尽管他尝试了，但还是无法解决这个问题。 Child as he is，he knows a lot of the history of China.
虽然他只是个孩子，他懂得许多中国历史方面的知识。(注意child前不用冠词)
Young though he is，he knows how to deal with such a thing. 他虽然年轻，但懂得如何处理这件事。 [即时训练3] 单句语法填空
①Although/Though/While they are poor，they buy a great many books.
【导学号：71812044】
②No matter what he says，I won't believe him any more. ③Whoever you are，you must obey traffic rules.
④Hard as/though I tried to explain，he still didn't understand. ⑤We'll start our meeting on time whether he comes or not.
[语 法 应 用 落 实]
Ⅰ.单句语法填空
1．It will be at least two months before we meet again. 2．However angry you feel，you shouldn't shout at your children. 3．She says that she'll have to close the shop unless business improves.
【导学号：71812045】
4．The head of the company promised to deal with the matter the moment he returned to his office.
5．As time goes by，his music is becoming more and more popular.
6．Poor as/though they are，they still do their best to help those homeless children.
7．Immediately(immediate) they heard the good news，they couldn't help laughing in the classroom.
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18-19 Module 5 Section Ⅲ Grammar——复习状语从句
