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知识过关第8讲 语法二
时间状语从句
在复合句中，由时间连接词引导的状语从句叫做时间状语从句。时间状语从句通常由when, while,as, after, before, since, until, as soon as等词引导。
一、 when、while和as的用法与区别
三者都表示“当……时候”，需要注意的是：
1. when引导的时间状语从句中，用动词的一般现在时表将来。
Mr. Smith will call you up when he arrives in Beijing.
当史密斯先生到达北京时，他将给你打电话。
2. when也能表示“正在这时”。
I was walking in the park, when it began to rain.
我正在公园里散步，这时天开始下雨了。
3. 与进行时连用时，when相当于while或as。
When/While/ As Jane was playing the violin, I walked in quietly.
当简在拉小提琴时，我悄 悄地走进了。
4. as引导时间状语从句时表示“当……时；一边……一边……”，侧重表示两个动作同时发生。
The boy jumps as he goes along.
那个男孩边走边跳。
由before和after引导的时间状语从句用法
1、Before当主句用将来时，从句总是用现在时；如果before引导的从句谓语用的是过去时，则主句动词多用过去完成时，这样以便体现动作发生的先后。
It will be four days before they come back.
他们要过四天才能回来。
2、After表示主句动作发生在从句动作之后。从句是过去完成时，主句是一般过去时。
After you think it over， please let me know what you decide.
你仔细考虑过以后，告诉我你是怎样决定的。
after表示主句动作发生在从句动作之后。
After you think it over, please let me know what you decide.
你仔细考虑过以后，告诉我你是怎样决定的。
三、as soon as引导的时间状语从句用法
as soon as意为“一……就”，表将来要发生的动作，遵循“主将从现”的原则；表示两个紧接着发生的动作，主从句都用一般过去时。
As soon as she comes to the party, we will give her a big surprise.
她一来参加晚会，我们就给她一个大惊喜。（现在）
As soon as he got to the station, the train left.
他一到达火车站，火车就离开了。(过去)
四、until引导的时间状语从句用法
1. 在含有until引导的时间状语从句中，如果主句的谓语动词是延续性动词，如：work，live，stay，study，play，wait等，那么这个主句常用肯定式，表示动作一直延续到until所表示的时间为止。until可意为“直到……为止”。
I’ll work until he tells me to stop.
我会一直工作到他叫我停下来为止。
2. 在含有until引导的时间状语从句中，如果主句的谓语动词是非持续性动词，如：come，go，leave，begin，start，finish等，那么这个主句常要用否定式，表示某一动作到until所表示的时间才发生。即not ...until... 意为“直到……才……”。如：
She didn’t go to bed until she finished her homework.
直到做完作业， 她才去睡觉。
1．—How much should I pay to fix my car
—We have to wait ________ the engineer finds out what’s wrong inside.
A．until B．if C．since D．when
2．What a terrible day it was! The bus left ________ we got on it. So we had to walk home.
A．after B．before C．when D．since
3．—Why hasn’t the speaker started his talk
—Well, he ________ start it ________ everyone is quiet.
A．won’t; after B．will; until C．won’t; until D．will; before
4．My little brother seldom cries. But when he _____, I can hardly think of ways to stop him.
A．can B．has C．will D．does
5．—Tom was singing loudly __________ I was studying for my exam, Mom.
—I will tell him not to do that again.
A．although B．because C．while D．if
6．On the journey to space, Gui Haichao said excitedly, “I don’t know how fantastic it is to take a rocket (火箭) into outer space I experience it for myself.”
A．when B．after C．until D．since
7．Lisa, you’d better not forget to water the flowers and the grass in our garden ________ we go out for our holidays.
A．while B．though C．unless D．till
8．Life is often compared to a journey. We have to keep walking ________ we get to the final destination.
A．so B．until C．and D．but
9．It was an exciting moment for Mr. and Mrs. Wang _______ they learned they were going to have a baby.
A．whether B．although C．when D．unless
10．I didn’t notice the cat ________ it jumped on my legs. It is so cute.
A．until B．but C．and D．when
11．He sat watching her gently ________ she got the luggage (行李) ready for her business trip.
A．as B．if C．for D．since
12．—Little Jerry is still at the school gate.
—Oh, he has to wait there ________ his mother comes.
A．after B．but C．till D．so
13．— You should first say ‘‘Excuse me’’ ________.
— OK, I’ll keep that in mind.
A．unless you are talking loudly
B．when you want to ask for help
C．if you don’t need others’ attention
14．—Some people, ________ they are complaining that the boring days are hard, are unwilling to step out of their comfort zone (舒适圈).
—That’s true. It’s important to take the first step towards growth.
A．while B．because C．and D．if
15．—_________ time goes on, her illness gets worse and worse.
—She is always a strong-minded lady. Hope a miracle will happen.
A．When B．While C．Once D．As
16．—I met Jack this morning. I thought he was still in Beijing.
—Me, too. I didn’t know he came back __________ he called me just now.
A．if B．until C．unless D．when
17．________ we get there, it is 5: 00 p. m.
A．When B．But C．So D．Because
18．He was told that it would be at least three more months ________ he could recover and return to work.
A．when B．before C．since D．that
19．It shames me to say it, but I told a lie when _________ at the meeting by my boss.
A．questioning B．having questioned C．questioned D．to be questioned
20．________ technology(科技) moves forward, we can enjoy the night sky with a pair of small binoculars of a smartphone.
A．When B．Until C．Before D．As
21．John’s friends kept silent ________ he entered the room. They shouted and gave him a big surprise.
A．so B．whether C．but D．until
22．George decided to change his job. He will live a hard life ________ he finds another job.
A．while B．until C．when D．after
23．I was preparing for my school project when my sister ________ me to help her carry a heavy box.
A．asks B．asked C．was asking D．will ask
24．A girl came up to me ________ I was pushing my product.
A．if B．whatever C．until D．while
25．Don’t wait ________ the New Year to make resolutions. Time waits for no man.
A．but B．because C．until D．so
26．—Do you know a group of wild elephants left the Xishuangbanna National Nature Reserve (西双版纳国家自然保护区) and started moving north.
—Yes, I couldn’t stop worrying about them ________ they went back home.
A．until B．because C．but D．if
27．—Why did he look so sad
—His friend told him that it would be quite a long time ________ they had a chance to get together again.
A．after B．before C．since D．when
28．— Dad, I learned from a history book that in ancient times all books were copied by hand.
— Yes, so it was difficult to produce books ________ printing was invented.
A．while B．until C．after D．since
29．—It’s said we Chinese first invented kites in history.
—Exactly! It wasn’t ______ many years later that Marco Polo told people in the West about kites.
A．as B．after C．until D．unless
30．—I want to give up this competition. I wouldn’t like to speak in front of so many people.
—If you miss this chance, it may be years ________ you get another one.
A．since B．before C．during D．after
中小学教育资源及组卷应用平台
试卷第1页，共3页
21世纪教育网(www.21cnjy.com)
试卷第1页，共3页
1．A
【详解】句意：——我该付多少钱修车？——我们必须等到工程师发现里面出了什么问题。
考查连词辨析。until直到；if如果；since自从；when当……时候。根据“We have to wait...the engineer finds out what's wrong inside”可知，工程师发现里面出了什么问题才知道需要支付多少钱，故选A。
2．B
【详解】句意：多么糟糕的一天啊！我们还没上车，公交车就开走了。所以我们不得不步行回家。
考查从属连词辨析。after在……之后；before在……之前；when当……时；since自从。根据“So we had to walk home.”可知，最后没有坐上公车，说明公交车在我们上车之前就开走了，表示“在……之前”用before，引导时间状语从句。故选B。
3．C
【详解】句意：——演讲者为什么还没有开始讲话？——他要等大家安静了才会开始。
考查连词。won’t将不；will将要；after在……之后；until直到；before在……之前。not…until…直到……才……，故选C。
4．D
【详解】句意：我的弟弟很少哭。但当他哭的时候，我几乎想不出办法阻止他。
考查谓语动词的省略。can能，情态动词；has有，have的三单形式；will将，会，情态动词；does做，do的三单形式。根据“My little brother seldom cries. But when he...”可知when引导的时间状语从句与主句时态保持一致，用一般现在时。从句主语是he，谓语动词用cry，为了避免重复，可以使用does代替。故选D。
5．C
【详解】句意：——妈妈，汤姆在我复习考试的时候大声唱歌。——我会告诉他不要再那样做了。
考查连词辨析。although尽管；because因为；while当……时候；if如果。根据“Tom was singing loudly...I was studying for my exam, Mom.”可知，此处表示两个动作同时进行，所以用while引导时间状语从句，故选C。
6．C
【详解】句意：在太空之旅中，桂海潮兴奋地说：“直到亲自体验，我才知道乘坐火箭进入外太空是多么奇妙。”
考查从属连词。when当……时候；after在……之后；until直到；since自从。根据“I don’t know how fantastic it is to take a rocket (火箭) into outer space...I experience it for myself.”可知，直到亲自体验才知道乘坐火箭进入外太空是多么奇妙，此处为not...until“直到……才”。故选C。
7．A
【详解】句意：莉萨，我们出去度假的时候，你最好别忘了给花园里的花草浇水。
考查从属连词辨析。while在……的时候；though尽管；unless除非；till直到。根据“we go out for our holidays”可知，此处指外出度假时，要记得给花草浇水，用while引导时间状语从句。故选A。
8．B
【详解】句意：人生常被比作一次旅行。我们必须一直走到最后的目的地。
考查连词辨析。so所以；until直到；and和；but但是。根据“We have to keep walking...we get to the final destination.”可知我们必须一直走到最后的目的地，用until引导时间状语从句。故选B。
9．C
【详解】句意：当王夫妇得知他们要有孩子的时候，他们感到非常激动。
考查连词辨析。whether是否；although尽管，虽然；when当……时候；unless除非。根据“It was an exciting moment for Mr. and Mrs. Wang ... they learned they were going to have a baby.”可知，当他们知道他们将有孩子的时候，这对于王先生和王夫人而言，是一个激动人心的时刻；when符合语境。故选C。
10．A
【详解】句意：直到那只猫跳到我腿上，我才注意到它。太可爱了。
考查连词辨析。until直到；but但是；and和；when当……时候。根据“I didn’t notice the cat…it jumped on my legs.”可知，not…until意为“直到……才”，此处指的是“直到那只猫跳到我腿上”，因此此处用until。故选A。
11．A
【详解】句意：当她准备出差的行李时，他坐下来温柔地着看着她。
考查as引导的时间状语从句。as当……时；if如果；for因为；since既然，自从。空处前后所描述的事情同时发生，因此空处表示“当……时候”，用as引导时间状语从句。故选A。
12．C
【详解】句意：——小杰瑞还在校门口。——哦，他得在那儿等他妈妈来。
考查连词辨析。after在……以后；but但是；till直到……为止；so因此。根据“Little Jerry is still at the school gate.”可知，小杰瑞在学校门口等待，直到他的妈妈来，应用till引导时间状语从句。故选C。
13．B
【详解】句意：——当你想寻求帮助时，你应该先说“对不起”。——好的，我会记住的。
考查when引导时间状语从句。根据“You should first say ‘Excuse me’”可知，excuse me“打扰一下”，可用于不同的场合，如作为礼貌的方式开始说话、打断别人、引起别人的注意、表示不同意、道歉、请求等；当请求别人帮助时，首先应说“对不起，打扰了”。故选B。
14．A
【详解】句意：——有些人一边抱怨无聊的日子很艰难，一边又不愿意走出自己的舒适区。——是真的。迈出成长的第一步很重要。
考查连词辨析。while当……时；because因为；and和；if如果。根据“they are complaining that the boring days are hard, are unwilling to step out of their comfort zone (舒适圈).”可知，此处说的是“一边抱怨无聊的日子很艰难，一边又不愿意走出舒适区”，应用while连接从句，故选A。
15．D
【详解】句意：——随着时间的推移，她的病情越来越严重。——她一直是一个意志坚强的女士。希望奇迹会发生。
考查连词辨析。When当……时；While当……时；Once一旦；As随着。根据“...time goes on, her illness gets worse and worse.”可知，随着时间的推移，她的病情加重，用as引导时间状语从句。故选D。
16．B
【详解】句意：——今天早上我见到了杰克。我以为他还在北京。——我也是。直到他刚才打电话给我，我才知道他回来了。
考查连词辨析。if如果；until直到；unless除非；when当……时。根据“I didn’t know he came back ... he called me just now.”可知，直到他给“我”打电话“我”才知道他回来了，not...until“直到……才”。故选B。
17．A
【详解】句意：当我们到达那里时，已经是下午5点了。
考查连词辨析。When当……时；But但是；So所以；Because因为。根据“…we get there, it is 5: 00 p. m.”可知，此处表示当我们到达那里时，已经是下午5点了，因此应用When引导时间状语从句。故选A。
18．B
【详解】句意：他被告知至少还要三个月才能康复并重返工作岗位。
考查连词辨析。when当……时候；before在……以前；since自从；that放在名词或动词后引导从句，无实义。根据“He was told that it would be at least three more months ... he could recover and return to work.”可知，在他康复并返回工作岗位之前，还需要至少三个月，用before引导时间状语从句。故选B。
19．C
【详解】句意：说起来我很惭愧，但是我在会上被老板质问时撒了谎。
考查被动语态。根据“It shames me to say it, but I told a lie when…at the meeting by my boss.”可知，句子是when引导的省略的时间状语从句，省略主语I和be动词，主语和question是被关系，因此此处用过去分词形式“questioned”。故选C。
20．D
【详解】句意：随着科技的进步，我们可以用智能手机的双筒望远镜欣赏夜空。
考查时间状语从句。When当……时；Until直到；Before在……之前；As随着。根据句意可知，此处表示伴随状态，随着科技进步，我们可以更智能地欣赏夜空。故选D。
21．D
【详解】句意：约翰的朋友们一直保持沉默，直到他走进房间。他们大叫一声，给了他一个大大的惊喜。
考查连词辨析。so因此；whether是否；but但是；until直到。根据“kept silent”和“he entered the room”可知，此处表示直到他走进房间，大家才出声，用until引导时间状语从句。 故选D。
22．B
【详解】句意：乔治决定换工作。他将过着艰苦的生活直到找到另一份工作。
考查连词辨析。while当……时；until直到；when当……时；after在……之后。根据“He will live a hard life ... he finds another job.”可知，此处表示过着艰苦的生活直到找到另一份工作，故选B。
23．B
【详解】句意：当我妹妹让我帮她搬一个重的箱子时，我正在准备我的学校项目。
考查时间状语从句与谓语动词的时态。本句是when引导的时间状语从句，主句用过去进行时态时，从句应为一般过去时，表示从句动作在主句动作发生过程中发生。故选B。
24．D
【详解】句意：当我在推销我的产品时，一个女孩向我走来。
考查连词辨析。if如果；whatever无论什么；until直到；while当……的时候。根据“A girl came up to me...I was pushing my product.”可知，此处是指当推销产品时，女孩朝我走来，需用while引导时间状语从句。故选D。
25．C
【详解】句意：不要等到新年才下决心，时间不等人。
考查连词。but但是；because因为；until直到……为止；so因此。not...until“直到……才”。故选C。
26．A
【详解】句意：——你知道一群野生大象离开了西双版纳国家自然保护区并开始向北移动吗？——知道，直到它们安全到家，我才停止担心它们。
考查连词辨析。until直到；because因为；but但是；if如果。not...until...表示“直到……才……”，引导时间状语从句。故选A。
27．B
【详解】句意：——他为什么看起来这么伤心？——他的朋友告诉他，他们要过很长时间才能有机会再次相聚。
考查连词辨析。after在……之后；before在……之前；since自从；when当。根据“His friend told him that it would be quite a long time...they had a chance to get together again.”可知在他们再次见面之前还有很长时间，用before引导时间状语从句。故选B。
28．B
【详解】句意：——爸爸，我从一本历史书中学到古代所有的书都是手工抄写的。——是的，所以在印刷术发明之前，制作书籍是很困难的。
考查从属连词辨析。while当……时；until直到；after在……之后；since自从。根据“so it was difficult to produce books...printing was invented”可知，直到印刷术发明制作书籍才开始变得简单，故选B。
29．C
【详解】句意：——据说我们中国人在历史上首先发明了风筝。 ——确实！直到许多年后，马克·波罗才向西方人介绍风筝。
考查连词词义辨析。as当……时；after在……之后；until直到……；unless除非。根据“It wasn’t...many years later that”可知，此处是“not until”用法，表示“直到……才”，这里意为“直到许多年后，马克·波罗才向西方人介绍风筝”。故选C。
30．B
【详解】句意：——我想要放弃这次比赛，我不想在这么多人面前演讲。——如果你错过这次机会，可能要等好几年才能得到下次机会。
考查连词辨析。since自从；before在……之前；during在……期间；after在……之后。“一段时间+before+句子”表示“还要多久才会……”。根据“another one.”可知此处指还要一段时间才会有下一个。故选B。
21世纪教育网(www.21cnjy.com)中小学教育资源及组卷应用平台
知识过关第8讲 语法二
时间状语从句
在复合句中，由时间连接词引导的状语从句叫做时间状语从句。时间状语从句通常由when, while,as, after, before, since, until, as soon as等词引导。
一、 when、while和as的用法与区别
三者都表示“当……时候”，需要注意的是：
1. when引导的时间状语从句中，用动词的一般现在时表将来。
Mr. Smith will call you up when he arrives in Beijing.
当史密斯先生到达北京时，他将给你打电话。
2. when也能表示“正在这时”。
I was walking in the park, when it began to rain.
我正在公园里散步，这时天开始下雨了。
3. 与进行时连用时，when相当于while或as。
When/While/ As Jane was playing the violin, I walked in quietly.
当简在拉小提琴时，我悄 悄地走进了。
4. as引导时间状语从句时表示“当……时；一边……一边……”，侧重表示两个动作同时发生。
The boy jumps as he goes along.
那个男孩边走边跳。
由before和after引导的时间状语从句用法
1、Before当主句用将来时，从句总是用现在时；如果before引导的从句谓语用的是过去时，则主句动词多用过去完成时，这样以便体现动作发生的先后。
It will be four days before they come back.
他们要过四天才能回来。
2、After表示主句动作发生在从句动作之后。从句是过去完成时，主句是一般过去时。
After you think it over， please let me know what you decide.
你仔细考虑过以后，告诉我你是怎样决定的。
after表示主句动作发生在从句动作之后。
After you think it over, please let me know what you decide.
你仔细考虑过以后，告诉我你是怎样决定的。
三、as soon as引导的时间状语从句用法
as soon as意为“一……就”，表将来要发生的动作，遵循“主将从现”的原则；表示两个紧接着发生的动作，主从句都用一般过去时。
As soon as she comes to the party, we will give her a big surprise.
她一来参加晚会，我们就给她一个大惊喜。（现在）
As soon as he got to the station, the train left.
他一到达火车站，火车就离开了。(过去)
四、until引导的时间状语从句用法
1. 在含有until引导的时间状语从句中，如果主句的谓语动词是延续性动词，如：work，live，stay，study，play，wait等，那么这个主句常用肯定式，表示动作一直延续到until所表示的时间为止。until可意为“直到……为止”。
I’ll work until he tells me to stop.
我会一直工作到他叫我停下来为止。
2. 在含有until引导的时间状语从句中，如果主句的谓语动词是非持续性动词，如：come，go，leave，begin，start，finish等，那么这个主句常要用否定式，表示某一动作到until所表示的时间才发生。即not ...until... 意为“直到……才……”。如：
She didn’t go to bed until she finished her homework.
直到做完作业， 她才去睡觉。
1．—How much should I pay to fix my car
—We have to wait ________ the engineer finds out what’s wrong inside.
A．until B．if C．since D．when
2．What a terrible day it was! The bus left ________ we got on it. So we had to walk home.
A．after B．before C．when D．since
3．—Why hasn’t the speaker started his talk
—Well, he ________ start it ________ everyone is quiet.
A．won’t; after B．will; until C．won’t; until D．will; before
4．My little brother seldom cries. But when he _____, I can hardly think of ways to stop him.
A．can B．has C．will D．does
5．—Tom was singing loudly __________ I was studying for my exam, Mom.
—I will tell him not to do that again.
A．although B．because C．while D．if
6．On the journey to space, Gui Haichao said excitedly, “I don’t know how fantastic it is to take a rocket (火箭) into outer space I experience it for myself.”
A．when B．after C．until D．since
7．Lisa, you’d better not forget to water the flowers and the grass in our garden ________ we go out for our holidays.
A．while B．though C．unless D．till
8．Life is often compared to a journey. We have to keep walking ________ we get to the final destination.
A．so B．until C．and D．but
9．It was an exciting moment for Mr. and Mrs. Wang _______ they learned they were going to have a baby.
A．whether B．although C．when D．unless
10．I didn’t notice the cat ________ it jumped on my legs. It is so cute.
A．until B．but C．and D．when
11．He sat watching her gently ________ she got the luggage (行李) ready for her business trip.
A．as B．if C．for D．since
12．—Little Jerry is still at the school gate.
—Oh, he has to wait there ________ his mother comes.
A．after B．but C．till D．so
13．— You should first say ‘‘Excuse me’’ ________.
— OK, I’ll keep that in mind.
A．unless you are talking loudly
B．when you want to ask for help
C．if you don’t need others’ attention
14．—Some people, ________ they are complaining that the boring days are hard, are unwilling to step out of their comfort zone (舒适圈).
—That’s true. It’s important to take the first step towards growth.
A．while B．because C．and D．if
15．—_________ time goes on, her illness gets worse and worse.
—She is always a strong-minded lady. Hope a miracle will happen.
A．When B．While C．Once D．As
16．—I met Jack this morning. I thought he was still in Beijing.
—Me, too. I didn’t know he came back __________ he called me just now.
A．if B．until C．unless D．when
17．________ we get there, it is 5: 00 p. m.
A．When B．But C．So D．Because
18．He was told that it would be at least three more months ________ he could recover and return to work.
A．when B．before C．since D．that
19．It shames me to say it, but I told a lie when _________ at the meeting by my boss.
A．questioning B．having questioned C．questioned D．to be questioned
20．________ technology(科技) moves forward, we can enjoy the night sky with a pair of small binoculars of a smartphone.
A．When B．Until C．Before D．As
21．John’s friends kept silent ________ he entered the room. They shouted and gave him a big surprise.
A．so B．whether C．but D．until
22．George decided to change his job. He will live a hard life ________ he finds another job.
A．while B．until C．when D．after
23．I was preparing for my school project when my sister ________ me to help her carry a heavy box.
A．asks B．asked C．was asking D．will ask
24．A girl came up to me ________ I was pushing my product.
A．if B．whatever C．until D．while
25．Don’t wait ________ the New Year to make resolutions. Time waits for no man.
A．but B．because C．until D．so
26．—Do you know a group of wild elephants left the Xishuangbanna National Nature Reserve (西双版纳国家自然保护区) and started moving north.
—Yes, I couldn’t stop worrying about them ________ they went back home.
A．until B．because C．but D．if
27．—Why did he look so sad
—His friend told him that it would be quite a long time ________ they had a chance to get together again.
A．after B．before C．since D．when
28．— Dad, I learned from a history book that in ancient times all books were copied by hand.
— Yes, so it was difficult to produce books ________ printing was invented.
A．while B．until C．after D．since
29．—It’s said we Chinese first invented kites in history.
—Exactly! It wasn’t ______ many years later that Marco Polo told people in the West about kites.
A．as B．after C．until D．unless
30．—I want to give up this competition. I wouldn’t like to speak in front of so many people.
—If you miss this chance, it may be years ________ you get another one.
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A．since B．before C．during D．after试卷第1页，共3页
21世纪教育网(www.21cnjy.com)
试卷第1页，共3页
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