现在进行时:
表示正在进行的、发生的动作

通常在句子中有以下的词：now, look, listen, at present.

句子的结构如下：
be
am

is
+ 动词 ing

are

如：1. I am listening to the music now.

2. The students are drawing pictures now.

3. Listen! She is singing .

4. Look! Mr Li is riding a bike.

特殊疑问句：What are you
doing ?

What is he / she / it doing?

一般疑问句：Are you cleaning the room now?

Is she / he / it watching TV now ?

否定句：
I am not playing football .

She / He is not swimming now.

3. 动词现在分词构成:

1)
正常变化是在动词原型后加ing 如:

　 read----reading ; 　drink---drinking ; 　eat---eating ;

2) 以e结尾的动词，去掉e再加ing 如:

　 write ---writing ; 　make--- making ; 　ride---riding ;　

3).重读闭音节（ 只有一个元音字母，而其后跟有一个辅音字母时）要双写结尾的辅音字母再加ing

　sit---sitting ; 　swim--swimming ; put---putting ; 　run—running

练习

现在进行时:
表示正在进行的、发生的动作

通常在句子中有以下的词：now, look, listen, at present.

句子的结构如下：
be
am

is
+ 动词 ing

are

如：1. I am listening to the music now.

2. The students are drawing pictures now.

3. Listen! She is singing .

4. Look! Mr Li is riding a bike.

特殊疑问句：What are you
doing ?

What is he / she / it doing?

一般疑问句：Are you cleaning the room now?

Is she / he / it watching TV now ?

否定句：
I am not playing football .

She / He is not swimming now.

3. 动词现在分词构成:

1)
正常变化是在动词原型后加ing 如:

　 read----reading ; 　drink---drinking ; 　eat---eating ;

2) 以e结尾的动词，去掉e再加ing 如:

　 write ---writing ; 　make--- making ; 　ride---riding ;　

3).重读闭音节（ 只有一个元音字母，而其后跟有一个辅音字母时）要双写结尾的辅音字母再加ing

　sit---sitting ; 　swim--swimming ; put---putting ; 　run—running

练习