1、现在进行时表示现在正在进行或发生的动作。它的标志是助动词be(am,is,are),再加动词ing构成。提示语标志:look,now...助动词be表示“正在”。
2、动词ing的构成
一般的动词结尾加ing Go
ask
play going
asking
playing
以不发音字母e结尾的动词,先去掉e,再加ing write
close
take writing
closing
taking
以辅音字母结尾的重读闭音节词,先双写最后一个辅音字母,再加ing stop
begin
put stopping
beginning
putting
3、现在进行时的陈述句和否定句
I am(not)
You are(not) visiting the zoo now.
He(She) is(not)
It is(not)playing a balloon.
We
You are(not)visiting the zoo now
They
They are(not)playing a balloon.
4、现在进行时的一般疑问句及肯、否定回答。
Am I reading a book?
Yes, you are.
No, you aren't. Are you reading a book?
Yes, I am.
No, I'm not. Is he (she,it)playing?
Yes, he (she,it)is.
No, he (she,it)isn't.
Are we reading a book?
Yes, we (you) are.
No, we (you) aren't. Are you reading a book?
Yes, we are.
No, we aren't. Are they playing?
Yes, they are.
No, they aren't.