Study math Please use Let's play Don't run Be Study English hard. Please look at this picture. Let's play soccer after school. Don't use this racket. Be kind to animals. Study science hard. Please write your name. Don't swim here. are running is swimming What is, doing was waiting were walking wasn't reading Mr. Brown is running in the park. They were playing tennis then. Mike and Ken are cooking lunch. Are you talking with your friends now? -Yes, I am. Was Emi studying for today's test then? -No, she wasn't. We aren't studying math. What are you doing now? They are playing tennis. No, I'm not. I'm studying English.