when作并列连词，表示“就在此刻(and just then)”， “突然(and suddenly)”，在中学英语中，我们经常见到与并列连词when相关的句式，现将其归纳如下：

 

1． be (just) about to do．．．when．．．

She was just about to say something more when she noticed the sullen look on his face.

她刚要再说些什么，却突然看到了他阴沉的脸色。

We were about to telephone you when your telegram arrived.

我们正准备给你打电话，这时你的电报来了。

We were about to start when (suddenly) it began to rain.

我们刚要出发就开始下雨了。

I was about to go to bed when the phone rang.

Mrs. Brown was about to begin when Jennie broke in.

This afternoon I was just about to go swimming when luckily our guide saw me and stopped me.

We were about to start when suddenly it began to rain.

Charlie was about to leave the office when suddenly someone knocked at the door.

She was just about to say something more when she noticed the angry look on his face.

They were about to give up when the captain encouraged them to save the ship.

She was about to open the door when a dog shouted at her.

 

2． be (just) on the point of doing sth．．．when．．．

They were on the point of giving up when the captain encouraged them fiercely to save the ship.

就在他们快要放弃努力时，船长鼓励他们竭尽全力挽救轮船。

The coach was just on the point of giving up the game when our team scored two points.

教练正准备放弃比赛，这时我们队得了两分。

He was on the point of leaving when (suddenly) someone knocked at the door.

他刚要走就有人敲门。

 

3． be going to do．．． when．．．

I was just going when he came in.

我正要走，这时他就进来了。

He was going to run away, when the policemen came.

他正打算逃跑，警察突然出现了。

She was going to open the window and shout at the dog to frighten it, when she stopped and stood quite still.

她正准备打开窗户，大声吓唬一下那条狗，这时她突然停住了，站着一动也不动。

 

4． be doing sth ．．． when．．．

I was thinking of this when I heard my name called.

我正想着这件事时，突然听到有人叫我的名字。

He was still smiling when (suddenly) the door opened and his wife came in.

他正笑着的时候，门突然开了，他妻子走了进来。

I was wandering through the street when I caught sight of a tailor's shop.

我正在街头漫步，我突然看见有家缝纫店。

I was cooking when I heard her knocking at the door.

我正在做饭，突然听到她敲门的声音。

He was thinking about the problem when an apple fell to the ground.

他正在思考这个问题，突然有一只苹果掉到了地上。

The children are playing football on the playground, when it began to rain.

孩子们正在操场上踢足球，突然下起了大雨。

A few days later, I was moving forward over a slope that seemed safe when suddenly without warning my world dropped out from under my skis.

几天后，我正在一个似乎安全的斜坡上前行，突然毫无预兆，滑雪板下的大地陷下去了。

 

5． be busy doing．．． when．．．

I was busy doing my homework when one of my classmates came.

我正忙着做作业，这时我的一个同学来找我。

I was busy cooking when there was a knock at the door.

我正在忙着做饭，突然听到了敲门的声音。

 

6． had （just) done．．． when．．．

 He had just finished the book when supper was served.

我刚刚读完这本书，这时晚饭就端上来了。

I had just gone to bed after a very hard day when the phone rang.

在劳累了一天之后，我刚要上床睡觉，这时电话响了。

I had been there little more than a week when I set to work in earnest.

我到那儿还不超过一个星期就开始认真干起活来。

I had travelled only two hours one day when the winds increased so much that I had to put my tent up before the winds became too strong.

一天我刚走了两个小时，突然狂风大作，我只好趁风力还不算太大之前，支起帐篷。

I had nearly reached the town, when the young man suddenly said very slowly, “ Do you speak English？

我快要进城了，年轻人突然慢慢地说：“你会讲英语吗？”

 

7． had not done．．． when．．．

I had not been reading for half an hour when I heard steps outside.

我读了还不到半个钟头就听到外面有脚步声。

I had hardly opened the door when he hit me.

我刚一开门他就打了我一下。

I hadn’t walked a few steps when I realized that he asked for the direction to my office building.

我还没走出去几步远，突然意识到他问的是去办公大楼的方向。

The students hadn’t played basketball long when the bell rang.

学生们没玩多长时间篮球，铃就响了。

I had hardly ／scarcely entered my room when(suddenly)  the telephone rang．

＝Hardly ／Scarcely had I entered my room when (suddenly) the telephone rang．

我刚一走进房门，电话就响了。

 

8． be + 介词短语 + when．．．

He was on his way to a lecture when a tourist stopped him and asked him for directions.

在他去听课的路上，一名游客拦住他问路。

The mother and the seven-year-old were inside the house when the shooting occurred.

这位母亲和她7岁的孩子正在家里的时候，发生了枪击事件。

I was on the way to school when (suddenly) I saw a boy fell into the river. 在上学路上，我突然看到个男孩掉进河里。

 

 

1. I has just stepped out of the bathroom and was busily drying myself with a towel I heard the steps. (2006年湖南卷)

A. while       B. when      C. since       D. after

2. I was still sleeping ________ the fire broke out, and then it spread quickly.

A. as      B. until      C. while      D. when

3. I _____ along the street looking for a place to park when the accident ______. （2006安徽卷）

A. went; was occurring     B. went; occurred

C. was going; occurred      D. was going; had occurred

4. We were swimming in the lake ______ suddenly the storm started. (2004年春季北京卷)

A. when    B. while    C. until     D. before

5. Jasmine was holidaying with her family in a wildlife park _______ she was bitten on the leg by a lion. (2004年上海卷)

A. when     B. while     C. since      D. once

6. He was about to tell me the secret _______ someone patted him on the shoulder. (2002上海卷)

A. as      B. until      C. while     D. when

7. Terry was about to eat his meal ______ a familiar voice came to his ears.

 A. why     B. where      C. when     D. while

8. We thought there were 35 students in the dining hall, ______, in fact, there were 40.

A. while      B. whether      C. what       D. which

9. The cost of living in Glasgow is among the lowest in Britain, ______ the quality of life is probably one of the highest.

A. since       B. when       C. as        D. while

10. Follow your doctor's advice, ______ your cough will get worse.

  A. or      B. and      C. then       D. so

参考答案： BDCAA   DCADA