高考中when的用法(课堂PPT)
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• 2.Don’t be afraid of asking for help ______ it is needed. A. unless B. since C. although D. when
10
• 3.翻译：队长一来我们就出发。 （用when)
11
• We will start when the team leader comes.
•
C. being completed
•
D. to be completed
8
实践操练
• 1.We were swimming in the lake ______ suddenly the storm started.
• A. when B. while • C. until D. before
you are ill.
4.当.........时候 例如：When I got to the
station, the train had left.
5.然而；可是”，相当于although 例如：
She stopped trying, when she might have
succeeded next time.
四、when可以用作连接副词，引导名 词性从句。when在从句中既起连接作 用同时也作状语
• I remember ______ this used to be a quiet village.
• A. when B. how 6
• C. where D. what
五、固定搭配 1.Somebody hate/love/enjoy/appreciate/like it when.............. 例如：I like it in the autumn when the wheather is clear and bright. 2.Hardly..........when.........(一.....就.....） 例如：Hardly had I got to school when the bell rang. 3.When it comes to......... (当谈及.......） 例如：When it comes to education, a lot of people think it is a lifelong study.
I had not finished my homework when he asked me to go out for play .
5
三、when用作关系副词引导定语从句 例如：I have never forgetten the day when(on which)I joined the army.
12
• 4. He was about to tell me the secret _______ someone patted him on the shoulder.
• A. as B. until • C. while D. when
13
• 5. The film brought hours back to me ______I was taken good care of in that faraway village.
1.既然.........
例如：You must admit it
when you have made a mistake. 2.一 ........就....... 例如：We will stand up
when our teacher comes in.
3. 如果.......
例如：Call me at once when
7
• 六、when引导时间状语从句时，如果主从句主语 一致或从句主语为it，且从句中的谓语部分含有 be的形式，可将从句主语和be省略
•
When ______, the museum will be open to
the public next year.
•
A. completed
•
B. completing
高考中when的用法
• （2012西城一模）
29．Why do some rich people steal things
____ they could easily afford to buy them?
A．unless C．if
B．before D． when
2
一、when用作从属连词，含义如下：
I was on the point of having a rest when the telephone rang. 6.had just done something when.............
I had just finished my homework when it rained heavily. 7.had not done something when...............
3
二、when作为对等连词，意为：“正在此时；正 在这时”。常见句型如下： 1.be doing something when................ I was doing my homework when the telephone rang. 2.be about to do something when ............ He was about to leave here when the telephone rang. 3.be on the way to... when................. I was on my way to the lecture when someone asked me for directions.
4
• 4.be busy doing something when............. Iwas busy writing my composition when he came to
visit me. 5.be on the point of doing something when.........
• 2.Don’t be afraid of asking for help ______ it is needed. A. unless B. since C. although D. when
10
• 3.翻译：队长一来我们就出发。 （用when)
11
• We will start when the team leader comes.
•
C. being completed
•
D. to be completed
8
实践操练
• 1.We were swimming in the lake ______ suddenly the storm started.
• A. when B. while • C. until D. before
you are ill.
4.当.........时候 例如：When I got to the
station, the train had left.
5.然而；可是”，相当于although 例如：
She stopped trying, when she might have
succeeded next time.
四、when可以用作连接副词，引导名 词性从句。when在从句中既起连接作 用同时也作状语
• I remember ______ this used to be a quiet village.
• A. when B. how 6
• C. where D. what
五、固定搭配 1.Somebody hate/love/enjoy/appreciate/like it when.............. 例如：I like it in the autumn when the wheather is clear and bright. 2.Hardly..........when.........(一.....就.....） 例如：Hardly had I got to school when the bell rang. 3.When it comes to......... (当谈及.......） 例如：When it comes to education, a lot of people think it is a lifelong study.
I had not finished my homework when he asked me to go out for play .
5
三、when用作关系副词引导定语从句 例如：I have never forgetten the day when(on which)I joined the army.
12
• 4. He was about to tell me the secret _______ someone patted him on the shoulder.
• A. as B. until • C. while D. when
13
• 5. The film brought hours back to me ______I was taken good care of in that faraway village.
1.既然.........
例如：You must admit it
when you have made a mistake. 2.一 ........就....... 例如：We will stand up
when our teacher comes in.
3. 如果.......
例如：Call me at once when
7
• 六、when引导时间状语从句时，如果主从句主语 一致或从句主语为it，且从句中的谓语部分含有 be的形式，可将从句主语和be省略
•
When ______, the museum will be open to
the public next year.
•
A. completed
•
B. completing
高考中when的用法
• （2012西城一模）
29．Why do some rich people steal things
____ they could easily afford to buy them?
A．unless C．if
B．before D． when
2
一、when用作从属连词，含义如下：
I was on the point of having a rest when the telephone rang. 6.had just done something when.............
I had just finished my homework when it rained heavily. 7.had not done something when...............
3
二、when作为对等连词，意为：“正在此时；正 在这时”。常见句型如下： 1.be doing something when................ I was doing my homework when the telephone rang. 2.be about to do something when ............ He was about to leave here when the telephone rang. 3.be on the way to... when................. I was on my way to the lecture when someone asked me for directions.
4
• 4.be busy doing something when............. Iwas busy writing my composition when he came to
visit me. 5.be on the point of doing something when.........