英语语法时间状语从句
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我还没来得及告诉他消息，他就冲出 了房间。
Please write it down before you forget it. 趁你现在没忘记把它记下来。 (2)It will be＋一段时间＋before...多久 之后才……。
—How long will it be before the professor makes another visit to China？—It all depends. ——教授多久之后才能再次访问中国 呢？ ——看情况而定。
attention was caught by a bird.
汤姆正要关窗户，这时他的注意力被
一只鸟吸引住了。
We were having a meeting when someone broke in. 我们正开着会突然有人闯入。
【注意】 “既然”。
when还可表原因，意为
How can I help them to understand when they won’t listen to me？既然他 们不听我说，我怎么帮他们理解？
be doing...when... be on the point of doing...when... had just done...when
be about to do...when...
(2010· 高考大纲全国卷Ⅱ)Tom was about to close the window when his
解析：选D。考查状语从句。句意：
如果很多人都说一部电影不好，我就 不会去(电影院)看，或者我会等到它 的DVD出版。
3．(2011· 高考浙江卷)One Friday，we were packing to leave for a weekend away ________ my daughter heard cries for help. A．after C．since B．while D．when
的动作一发生，主句的动作随即就发
生，常译为“一……就……”。从句中
用一般时态代替将来时态。
I was much impressed by the great changes and fast pace of life in Shanghai the first time I came to visit this fantastic city. 我第一次参观上海这个神奇的城市就 对它巨大的变化以及快速的生活节奏 留下了深刻的印象。
It is quite a long time since he got
injured，but it won’t be long before
he returned to work.
他受伤已经有一段时间，但是用不了 多久就会重返工作。
2．before (1)若表达“还未……就……；不
到……就……;……才……;趁……； 还没来得及……就……”时，需用连词 before。 He rushed out of the room before I told him the news.
The headmaster has promised us that we shall get informed the moment the results of the exam come out. 校长向我们承诺，考试结果一出来就 通知我们。
No sooner had we arrived at the station than the train left. 我们刚到车站，火车就离站了。 4．when引导时间状语从句，意为“正 在这时”，表示某件事正在发生或刚刚 发生时，突然发生另一动作。
考点四
时间状语从句
经典品味
1．(2011· 高Baidu Nhomakorabea辽宁卷)He had no
sooner finished his speech________ the students started cheering. A．since C．when B．as D．than
解析：选D。本题考查固定句式。句 意：他刚做完演讲，学生们就开始欢 呼起来。no sooner往往与than连用， 意为：一……就……。
3．as soon as,immediately,directly,
instantly,the moment，the minute，
the instant，no sooner...than...， hardly/scarcely...when...和once(一…… 就……)
这些从属连词引导的从句都表示从句
2．(2011· 高考上海卷) If a lot of people say a film is not good，I won’t bother to see it，or I’ll wait________it comes out on DVD. A．whether C．though B．after D．until
解析：选D。句意：一个周五，我们 正在打包要出去度周末， 这时我女儿 听到有人求救的声音。本句考查“be doing...when...(正在做……这时……)” 这一结构，在本结构中，when是并列 连词，表示“这时”的意思，相当于and
at that time。
要点浓缩 1．It is ＋...since...自从……
Please write it down before you forget it. 趁你现在没忘记把它记下来。 (2)It will be＋一段时间＋before...多久 之后才……。
—How long will it be before the professor makes another visit to China？—It all depends. ——教授多久之后才能再次访问中国 呢？ ——看情况而定。
attention was caught by a bird.
汤姆正要关窗户，这时他的注意力被
一只鸟吸引住了。
We were having a meeting when someone broke in. 我们正开着会突然有人闯入。
【注意】 “既然”。
when还可表原因，意为
How can I help them to understand when they won’t listen to me？既然他 们不听我说，我怎么帮他们理解？
be doing...when... be on the point of doing...when... had just done...when
be about to do...when...
(2010· 高考大纲全国卷Ⅱ)Tom was about to close the window when his
解析：选D。考查状语从句。句意：
如果很多人都说一部电影不好，我就 不会去(电影院)看，或者我会等到它 的DVD出版。
3．(2011· 高考浙江卷)One Friday，we were packing to leave for a weekend away ________ my daughter heard cries for help. A．after C．since B．while D．when
的动作一发生，主句的动作随即就发
生，常译为“一……就……”。从句中
用一般时态代替将来时态。
I was much impressed by the great changes and fast pace of life in Shanghai the first time I came to visit this fantastic city. 我第一次参观上海这个神奇的城市就 对它巨大的变化以及快速的生活节奏 留下了深刻的印象。
It is quite a long time since he got
injured，but it won’t be long before
he returned to work.
他受伤已经有一段时间，但是用不了 多久就会重返工作。
2．before (1)若表达“还未……就……；不
到……就……;……才……;趁……； 还没来得及……就……”时，需用连词 before。 He rushed out of the room before I told him the news.
The headmaster has promised us that we shall get informed the moment the results of the exam come out. 校长向我们承诺，考试结果一出来就 通知我们。
No sooner had we arrived at the station than the train left. 我们刚到车站，火车就离站了。 4．when引导时间状语从句，意为“正 在这时”，表示某件事正在发生或刚刚 发生时，突然发生另一动作。
考点四
时间状语从句
经典品味
1．(2011· 高Baidu Nhomakorabea辽宁卷)He had no
sooner finished his speech________ the students started cheering. A．since C．when B．as D．than
解析：选D。本题考查固定句式。句 意：他刚做完演讲，学生们就开始欢 呼起来。no sooner往往与than连用， 意为：一……就……。
3．as soon as,immediately,directly,
instantly,the moment，the minute，
the instant，no sooner...than...， hardly/scarcely...when...和once(一…… 就……)
这些从属连词引导的从句都表示从句
2．(2011· 高考上海卷) If a lot of people say a film is not good，I won’t bother to see it，or I’ll wait________it comes out on DVD. A．whether C．though B．after D．until
解析：选D。句意：一个周五，我们 正在打包要出去度周末， 这时我女儿 听到有人求救的声音。本句考查“be doing...when...(正在做……这时……)” 这一结构，在本结构中，when是并列 连词，表示“这时”的意思，相当于and
at that time。
要点浓缩 1．It is ＋...since...自从……