очень нужно помошь по домашнему

1. I am a student.

I am not a student.

Am I a student.

2.  You are beautiful.

You are not beautiful.

Are you beautiful.

3. We are twins.

We aren’t twins.

Are we twins?

4. They are helpful  

They are not helpful.

Are they helpful?

5. He is reading.

He is not reading.

Is he reading?

6. She is running.

She is not running.

Is she running?

7. It is a book.

It is not a book

Is it a book?