课件23张PPT。 外研版
高一年级 (必修2)
Module 5Module 5
Newspapers and Magazines观察下面各组句子中时间状语从句的用
法,并加以总结。
1. a. It was raining when we left for the station.
b. When the students heard the teacher's footsteps, they all stopped talking.时间状语从句2. a. I was preparing lunch in the kitchen when the power went off.
b. We were about to start when it began to rain.
c. The game had hardly begun when it started raining.when用法小结:
1. when引导时间状语从句时,表示“当……的时候”,从句的动作既可与主句的动作同时发生又可在主句动作之前发生。(如第一组例句)
2. when还可用于以下结构:
be doing sth. when ...??正在做某事时突然……;
be about to do sth. when ...?正要做某事时突然……;
hardly ... when ...?一……就……
(如第二组例句)3. a. While the teacher explained the text in
English, the students listened carefully
and took notes.
b. I can learn while I work.
while用法小结:
while引导时间状语从句时,表示“在……期间,在某一段时间里”,从句的谓语动词常用延续性动词,侧重表示从句的动作和主句的动作同时进行。 4. a. As time passed, things seemed to get
worse.
b. As the students walked to their
classroom, they sang happily.
as用法小结:
as引导时间状语从句时,表示“随着,一边……一边……”,侧重主句和从句两个动作同时发生或主句动作随从句动作的变化而变化。 用when, while或as填空。
1. You can go swimming ________ I'm having lunch.
2. ________ I met the Gills, I had been gardening for nearly ten years. while ???? ??When3. We were about to have dinner ________ someone knocked at the door.
4. ________ time passed, things seemed to get worse.Aswhen? ??观察下面各组句子中原因状语从句的用
法,并加以总结。
1. a. The teacher was angry because we
were late.
b. —Why can't I go?
—Because you are too young.
because引导原因状语从句时, 语气最强, 表示直接原因, 常用来回答why引出的问题。 原因状语从句2. a. Since travelling by air is much faster, they decided to take a plane.
b. I'll do it for you since you are busy.
c. Now that I am well again, I can go on with my work.
d. Now that you have passed your test, you can drive on your own.since / now that引导原因状语从句时, 表示很明显的或是对方已经知晓的原因, 语气较弱,译为“既然”。 3. a. As it was getting late, I turned around to start for home.
b. As I didn't know the way, I asked a policeman.
as引导原因状语从句时,常表示明显的
原因和理由,语气较弱,比较口语化。 注意:
for引导的分句不表示直接的原因,而是用来附带解释说明前面一句的情况。for引导的分句常位于句子后部,与前一分句以逗号隔开。
e.g. Fred felt no fear, for he was brave.用because, now that, as或for填空。
1. __________ you have finished your
work, you'd better have a rest.
2. —Why didn't you go to the picnic
yesterday?
—_________ I was ill.Now thatBecause??3. I cannot tell whether she is old or young, ________ I have never seen her.
4. ________ it was getting late, I turned around to start for home.As forI. 将下面句子合并成一个含有时间状语从句的复合句。
1. I travelled to America in the summer of 2012.
At that time, I met my wife for the first time.
I met my wife for the first time when I
travelled to America in the summer of
2012.2. Julia is playing in the yard. At the same time, Judy is doing her homework in her bedroom.
Julia is playing in the yard while Judy is
doing her homework in her bedroom.
3. I was watching TV at home. At this time, my best friend Lily came to visit me.
I was watching TV at home when my
best friend Lily came to visit me.4. Maria sang a beautiful song. She danced to it at the same time.
Maria danced to a beautiful song as she sang it.II. 根据括号内的提示翻译下面句子。
1. 因为我今天早晨起晚了, 所以上学迟到了。
(because)
I was late for school because I got up late
this morning.
2. 既然大家都在这了, 让我们开始开会吧。
(now that)
Now that everyone is here, let's begin our
meeting.3. 他带来了我们家里的消息, 我们都认真地听着。(for)
We all listened carefully, for he brought
news of our families.
4. 我们让菲利普跟我们一起来, 他知道路。(as)
As Phillip knew the road, we asked him to come with us.1. Review Grammar.
2. Finish the exercises in the
workbook.