现在完成时的结构形式总结如下：

现在完成时是由“have/has+动词过去分词”构成。

一、肯定句结构形式

主语+have/has+动词过去分词+...

I have worked.

You have worked.

He has worked.

She has worked.

 It has worked.

We have worked. 

They have worked.

二、否定句结构形式

主语+haven't/hasn't +动词过去分词+...

I have not worked. / I haven’t worked.

You have not worked. / You haven’t worked.

He has not worked. /He hasn’t worked.

She has not worked. /She hasn’t worked.

 It has not worked. / It hasn’t worked.

We have not worked. /We haven’t worked.

They have not worked. / They haven’t worked.

三、一般疑问句结构形式

Have/Has + 主语 + 动词过去分词+...?

Have I worked?

Have you worked?

Has he worked?

Has she worked?

Has it worked?

Have we worked?

Have they worked?

以上就是现在完成时的结构形式，希望对你有所帮助。