am, are, is negative form

I... tired. I'm worried.

• isn't

• 'm not

• 're not

Rodrigo.... hungry. He's worried.

• isn't

• 'm not

• 're not

Susan and Carol... angry with you. They're really excited.

• isn't

• 'm not

• aren't

It... cold in here. It's really hot in summer.

• isn't

• are not

• 'm not

Joe... happy today. It's his birthday.

We... bored. We're really excited.

• isn't

• aren't

• 'm not

I... hungry. I'm thirsty.

• isn't

• aren't

• 'm not

Carla...Mexican. She's Peruvian.

• isn't

• aren't

• 'm not

You.... on a train. You're on a plane.

• 'm not

• isn't

• aren't

Mary... sad. She's just hungry.

• isn't

• 'm not

• aren't