2019-2020同步外研英语选修七新突破讲义：Module+4+Section+Ⅲ Grammar
- 格式：doc
- 大小：236.00 KB
- 文档页数：12
2019-2020同步外研英语选修七新突破讲义：Module+4+Section+Ⅲ Grammar——时间状语从句和省略和答案
- 1 - / 12 Section Ⅲ Grammar——时间状语从句和省略
语
境 自 主 领 悟
先观察原句 后自主感悟
①Some of the DJs began speaking and
shouting while the music played.
②“The moment I heard it，”he said，“I
knew it was a completely new kind of
music.”
③The first time that rap artists recorded
their music，musicians recorded the
backing tracks (the music without the
singing) in the studio and the rappers
added their vocals later.
④No sooner had he reached home
than it began to rain.
⑤Hardly had I entered the room when
the phone rang.
⑥—Do you want to go to the movie
tonight？
—I hope to (go to the movie).
⑦While (I was) at college，I began to
know him，a strange but able student. 1.句①～⑤中黑体部分在句中引导的是时间状语从句，句⑥～⑦为省略句。
2.句④⑤为no
sooner...than.../hardly...when...句式，表示“一……就……”，且no sooner/hardly位于句首时，主句要用倒装语序。
3.句⑥是不定式的省略，省略了to后面的动词(短语)。
4.句⑦中，从句主语与主句主语一致，且从句中包含be动词的某种形式，可以将从句的主语和be动词同时省略。
一、时间状语从句
在复合句中起时间状语作用的句子称为时间状语从句。时间状语从句常用when，while，as，until，since或表示时间意义的名词短语等引导。 2019-2020同步外研英语选修七新突破讲义：Module+4+Section+Ⅲ Grammar——时间状语从句和省略和答案
- 2 - / 12 1．when，while，as的用法
连词 用法
when 从句谓语用延续性动词和非延续性动词均可，主、从句谓语表示的动作可同时或先后发生
while 从句谓语用延续性动词
表示两个延续性动作同时发生且具有对比意味，或一个动作发生在另一个动作进行的过程中
as 强调主、从句动作同时发生
表示“一边……一边……”之意
He was nine when his father died.
他父亲去世时他才九岁。
Jack was working in the lab when the power cut occurred.杰克正在实验室里工作，这时突然停电了。
They arrived while we were having dinner.
他们到时我们正在吃晚饭。
While I played the piano，my sister did her homework.我弹钢琴的时候姐姐在做作业。
As years go by，China is getting stronger and richer.随着时间一年一年过去，中国变得越来越富强了。
I saw my mother as I was getting off the bus.
我下公共汽车的时候看见了我妈妈。
[名师点津]
when在be about to do...when...，be doing...when...，had done...when...，be on one's
way...when...，be on the point of doing...when...等结构中，作“正在那时”讲，表示某个动作正在发生或刚刚发生，另一动作同时发生。
He was about to leave when someone knocked at the door.
他刚要离开就有人敲门。
[即时演练1] 选词填空：when，while，as
①It's much easier to make friends when you have similar interests. 2019-2020同步外研英语选修七新突破讲义：Module+4+Section+Ⅲ Grammar——时间状语从句和省略和答案
- 3 - / 12 ②While/When in Vienna he studied music.
③You will grow wiser as you grow older.
2．until，till的用法
主句形式 主句谓语 意义
肯定句 用延续性动词 意为“直到……为止”，表示主句中的动作到从句动作发生时结束
否定句 用短暂性动词 意为“直到……才……”，表示主句中的动作到从句动作发生时开始
He waited until she had finished speaking.
他一直等到她讲完。
You can't go home until you finish your work.
工作完成后你才能回家。
[名师点津]
(1)置于句首或在强调句中时常用until，其他情况until和till可通用。
Until you told me，I had no idea of it.
直到你告诉我，我对此事才有所了解。
(2)如果将“not until...”结构放在句首，那么主句要部分倒装。
Not until his bike looked almost new did he stop cleaning it.直到他的自行车看起来几乎像新的一样，他才停止擦洗。
3．before，since的用法
(1)before
①意为“在……之前”，置于主句前后均可。
Before the sun sets，we must go home.
太阳落山前，我们必须回家。
②如果before引导的从句位于主句之后，有时不能译成“在……之前”，而要译成“过了多久才……，还未……就”等。
The struggle lasted four years before the North won in the end.
斗争持续了4年北方才最终获胜。
He almost knocked me down before he saw me. 2019-2020同步外研英语选修七新突破讲义：Module+4+Section+Ⅲ Grammar——时间状语从句和省略和答案
- 4 - / 12 他几乎撞到我时才看见我。
She left before I could have a word with her.
我还没来得及和她说句话，她就离开了。
③before常用句型：
It will be two years before he leaves the country.
再过两年他才会离开这个国家。
It was two years before he left the country.
过了两年他才离开这个国家。
(2)since
①since意为“自从”时，所引导的从句使用非延续性动词，主句使用完成时态。
Since he graduated from college，he has worked in this city.大学毕业后，他便在这个城市工作。
②since的常用句型：
It is five days since he came here.
他来这儿5天了。
It was three years since she had not lived in this city.她已有三年不住在这个城2019-2020同步外研英语选修七新突破讲义：Module+4+Section+Ⅲ Grammar——时间状语从句和省略和答案
- 5 - / 12 市了。
[即时演练2] 选词填空：since，before
①I have written home once since I came here.
②Time passed quickly and the winter holidays had gone by before we knew it.
4．表示“一……就……”的引导词
引导时间状语从句，表示“一……就……”之意的引导词有as soon as，immediately，directly，no sooner...than...，hardly...when...等。另外，名词短语the
moment，the minute，the instant，the day(year)等均可用作连词来引导时间状语从句。
As soon as the reporters know what to write about，they get down to work.
记者们一知道他们要写什么东西，就着手工作了。
Immediately you begin to speak，he gives you his full attention.
你只要一开始说话，他就会全神贯注地听。
The moment I heard the voice，I knew father was coming.
我一听到声音，就知道是父亲来了。
[名师点津]
hardly...when，scarcely...when，no sooner...than引导时间状语从句时，主句使用过去完成时，从句使用一般过去时。如果hardly，no sooner，scarcely置于句首，句子必须用部分倒装结构。
[即时演练3] 单句语法填空
①The moment I've finished reading your report，I'll give you an answer.
②The boy burst into tears immediately(immediate) he saw his mother.
③Hardly had he finished his speech when the students started cheering.
5．the first time，the last time等作连词引导时间状语从句
the first time(第一次……的时候)，the last time(上次……的时候)，by the
time(到……的时候为止)，every/each time(每次……的时候)，next time(下次……的时候)等也可作连词，引导时间状语从句。
Each time he went to Beijing，he would call on his former teachers.
