-
现在进行时定义
定义
:
现在进行时表示现在正在发生的动
作或
存在的状态。
结构
:
1.
肯定句:主语
+be ( is am are) +
现在分词
+
其它。如:
We are having an English class now.
2.
否定句:主语
+be (is am are ) +not+
现在分词
+
其它。
如:
We are not having an English class
now.
3.
一般疑问句:
Be (is am are ) +
主语
+
现在分词
+
p>
其它
+
?
回答:
Yes,
主语
+be (is am are ) .
No ,
主语
+be (is am are )
+not
。
如:
Are you having an English
class now?
Yes, we are .
No,
we aren
’
t
4
、
时间状语:
now.
look!
Listen!
如:
1.
Listen! Lily is dancing in the next
room.
2.
Look! The dog is running after the car
动词变现在分词的规则:
1.
一般情况下直接在词后加
- ing
.
如:
go---going
ask---asking
study---studying
do---doing
drink---drinking
fly-----flying
2.
以不发音的
“e”
结尾的,去
“e”
加
-
ride---riding
make---making
have---having
give---giving
come---coming
live---living
leave---leaving
write---writing
注:
see---seeing ( ee
是组合不去
e)
3.
以重读闭音节结尾的,双写后一个辅音字母
ing
.
如:
再加
-ing.
如
:
put
---putting
sit---sitting
stop---stopping
shop---shopping
get---getting
swim---swimming
let---letting cut---cutting
run---running
begin---
beginning
hit---hitting
dig---digging
win---winning
4.
注:特殊词
lie----lying
tie---tying
die
---dying
题例
1
用括号中动
词的适当形式填空。
3.
Look! The dog _____ (run) after the car
4.
Listen! Lily ____ (sing) in the next
room.
5.
What ____ you ___ (do ) now ? I’m
writing a letter.
6.
Where is Kate
? She ___(climb) the hill over there .
-
-
-
-
-
-
-
-
-
上一篇:新概念英语1A知识点归纳
下一篇:新概念英语语法结构一