Subjects / be / this that these those

I ___ not a teacher.

• am
• is
• are

She ___ not my mother.

• is
• am
• are

They ___ not in the classroom.

• are
• is
• am

You ___ not late.

• are
• am
• is

He ___ not my friend.

• is
• am
• are

We ___ not from Japan.

• are
• am
• is

It ___ not a dog.

• is
• am
• are

I ___ not 20 years old.

• am
• is
• are

My parents ___ not busy now.

• are
• is
• am

This ___ not your pen.

• is
• am
• are