Verb to be, Present, Interrogative Form

Transform the following affirmative sentence into a question:

He is a good student.

Transform the following affirmative sentence into a question:

I am a ballet dancer.

Transform the following affirmative sentence into a question:

They are singers.

Transform the following affirmative sentence into a question:

We are best friends.

Transform the following affirmative sentence into a question:

You are a teacher.

Transform the following affirmative sentence into a question:

She is your sister.

Transform the following affirmative sentence into a question:

He is her brother.

Transform the following affirmative sentence into a question:

You are a chef.

Transform the following affirmative sentence into a question:

He is happy.

Transform the following affirmative sentence into a question:

My name is Andrea.