文档介绍：现在进行时
什么是现在进行时
?
让我们一起来学****吧!
The present continuous tense 现在进行时
基本概念
。
,但此刻动作不一定
正在进行。
He is reading a book.
He is learning Unit3 these days.
The present continuous tense
现在进行时
信号词
现在进行时的句子中常有now,或在句首常出现Look! Listen!等信号词。
eg: Look! They are dancing in the room.
I am cleaning the windows, now.
Listen! A girl is singing.
现在进行时肯定句结构
主语+ be动词+ 动词的现在分词形式
(be要根据主语的变化而变化)
I am cleaning the windows, now.
Listen! A girl is singing.
Look! They are dancing in the room.
总结现在进行时句式和结构
肯定句---主+be+V-ing+其他
They are drawing pictures.
否定句---主+be+not+V-ing+其他
They are not drawing pictures.
一般疑问句---be+主+V-ing+其他
Are they drawing pictures?
特殊疑问句—特殊疑问词+be+主+V-ing+其他
What are they doing?
,
肯定句变成其他句式时的规律
在be动词后加not构成。
eg: The boy is playing chess.
The boy is not playing chess.
,
把be动词提到句首。
eg: The boy is playing chess.
Is the boy playing chess?
,
由“疑问词+一般疑问句构成”
eg: The boy is playing chess.
What is the boy doing?
Listen! The bird .
看图填一填:
is singing
看图填一填:
Look! The girl .
is dancing
看图填一填:
I a book.
I .
am reading
am not writing
What are you doing?