2012秋外研版七上Module9《People and places》(Unit3)ppt课件.ppt

Module 9
Unit 3
Language in use
Objectives:
To learn to use present continuous tense
Examples in this module
I’m standing on the Great Wall of China and talking to you.
He is eating an ice cream.
He isn’t writing a postcard.
We’re preparing for Spring Festival.
They are lying in the sun.
Tony is eating a delicious ice cream.
They’re working.
People aren’t having dinner.
现在进行时态(I)
:表示现在(说话瞬间)正在进行的动作。
He is watching TV now.
He is drinking a glass of water.
还可以表示当前一段时间内的活动或现阶
段正在进行的动作。
We are working on a farm these days. I am writing a book this year.
Grammar
2. 谓语动词的构成: 助动词be + V-ing。
请大家注意观察,其中的be 随着人称、数的变化而变化(am, is, are三种形式) 。
注: 不加助动词be的V.-ing 或 be+V原形不能构成现在进行时。如:
I’m visiting my friend.
He is eating an ice cream.
We’re preparing for Spring Festival.
They are lying in the sun.
He visiting his friend. (×)
He is visit his friend.(×)
V-ing的组成形式有如下几种:
1) 动词后面直接加ing
doing buying playing
2) 动词去掉e加ing:
having taking giving writing
3) 重读闭音节、结束只有一个辅音字母
的, 双写动词最后一个字母, 然后加ing。
running swimming sitting
shopping getting beginning putting
4) 特殊形式的变化
lie — lying die -- dying
3. 动词-ing的构词规律:
writing the postcard.
s
4. 句型转换: 在变为否定句时, be后加not。
在变为一般疑问句时把be提前到句首,
人称和 be 作相应变化。
1) 将下面的句子变为否定句:
I’m
not
2) 将下面的句子变为一般疑问句:
3) 将下面的句子变为一般疑问句:
Tony
having lunch
.
i
I
?
’m
I
writing the postcard
.
Are
you
?
He is writing a postcard.
He is not (=isn’t) writing a postcard.
肯定句
否定句
一般疑问句(把be提到句首)
【3种句型结构分析】
注意看转换过程中的变化。
I am lying in the sun with my friends.
肯定句
一般疑问句(注意人称的相应变化)
Is he writing a postcard?
Are you lying in the sun with your friends?
5. 现在进行时的标志词有:Look! Listen! now ,It’s -----o’clock.
Now it’s 8 o’clock. What are you doing?等。
What are you doing now?
(你在干什么?)
I’m reading now.
(我现在正在读书。)
Listen! She is singing.
(听,她正在唱歌。)
Look! My mother is watering the flowers.
(看,我妈妈正在浇花。)
练习:句型转换。
1. She is watching a ballet. (变否定句)
2. We’re waiting for our teacher.
(变一般疑问句)
3. Is Tony calling a friend? (作肯定问答)
4.