内容正文:
Grammar
Unit 4 Save the trees
run
Do or doing?
running
Warm-up
A
B
Do or doing?
Warm-up
eating
eat
Warm-up
Do or doing?
A
B
read
reading
Warm-up
Do or doing?
A
B
swimming
swim
Warm-up
Do or doing?
A
B
dance
dancing
一、定义
1.表示现在正在进行的动作;
2.表示现阶段正在进行或从事的动作。
Presentation
The present continuous tense
现在进行时
Presentation
二、构成
主语 + be (am/is/are)+ 现在分词 +其他
注意:be随人称变为 is, am, are。
肯定句
主语 + be + not + 现在分词 +其他
否定句
疑问句
Be + 主语 + 现在分词 +其他?
Yes, 主语+ be./ No, 主语+be not.
Presentation
动词-ing形式的构成
Presentation
1.一般在动词原形后+ing do
talk doing
talking
2. 以不发音的e结尾的,去e,+ing write
take writing
taking
3. 以ie结尾的动词,去ie,变y,+ing die
lie dying
lying
4. 重读闭音节以一个辅音字母结尾的,双写该辅音字母+ing swim
put swimming
putting
Tip 1
用于现在进行时的情况
1.They are playing football now.
(现在正在发生)
2.We are making model planes these days.
(现阶段正在发生)
3.Listen! She is singing an English song.
(暗示动作正在发生)
4. -Where is Mr Wang?
-Oh, he is reading a book in the office
(上下文暗示).
标志词:
now, at the moment, right now, these days, look, listen,
Be quiet!
is
doing
is playing
are playing
is fishing
is swimming
are lying
is eating
is playing
am talking
Practice
I know the answer now.
I am knowing the answer now.
心理情感的动词:
want, think, know, hate, like, prefer, believe, understand
She likes this poem.
She is liking this poem.
感官动词:
look; feel;sound;taste; smell
Tip 2
不用于现在进行时态的动词:
is ringing
know
am thinking
prefer
Practice
smells
are
eating
am eating
Do
want
Practice
*
Exercises(P91)
working
doing
having
playing
writing
singing
reading
running
swimming
sitting
lying
washing
Practice
Exercises(P91)
are having
is running
smells
am cleaning
Are
listening
Practice
Exercises(P92)
is working
is watching
are playing
Is cleaning
are leaving
Practice
Exercises(P91)
D
D
C
Practice
Exercises(P92)
C
B
Practice
Exercises(P92)
D
D
C
D
Practice
Exercises(P93)
A
C
B
Practice
See you next week!
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