现在进行时的知识点归纳总结如下：

一、现在进行时用法

1.表示此刻正在进行的动作

常与now、at the moment、at this moment、listen、look等连用

It is snowing. 正在下雪。

I am reading a novel. 我正在读小说。

Why are you crying? 你为什么哭啊？

What are you doing? 你在做什么？

Jane is watching TV. 简正在看电视。

2.表示现阶段正在进行的动作，说话时不一定在进行

I am learning English. 

我在学英语。（现阶段在学英语，说话时不一定在学）

I am reading a book.  

我在读一本书。（现阶段在读一本书，说话时不一定在读）

She is living with her sister these days. 

这些天，她和她姐妹住在一块。

He is attending a spelling contest this week. 

这星期，他在参加一个拼写大赛。暂时不写进去。

二、动词ing变化规则

现在分词构成

1.直接加ing：

go→going

ask →asking

look→looking

2. 以不发音的字母e结尾，去e加ing：

have →having 、take→taking

make→making、write→writing

3. 末尾为一元加一辅，双写辅音字母加ing：

get→getting、sit→sitting

put→putting、run→running 

swim→swimming

4.以ie结尾的动词，改ie为y加ing

lie→lying，die→dying，tie→tying

二、现在进行时的形式

肯定句

I am working. / I’m working.

You are working. /You’re working.

He is working. / He’s working.

She is working. / She’s working.

It is working. / It’s working.

We are working. / We’re working.

They are working. / They’re working.

否定句

 I am not working. / I’m not working.

You are not working. /You aren’t working.

He is not working. / He isn’t working.

She is not working. / She isn’t working.

It is not working. / It isn’t working.

We are not working. / We aren’t working.

They are not working. / They aren’t working.

一般疑问句

Am I working?

Are you working?

Is he working?

Is she working?

Is it working?

Are we working?

Are they working?

以上就是现在进行时的知识点归纳总结，希望对你有所帮助。