20 ,! составить 4 коротких ситуаций(по два предложения), использовать в каждой present continuous ,можно использовать для любые другие времена кроме perfect .

Dog is waiting for dinner.
A teacher asks a pupil.
My sister wanted some sweets.
Jenny was going on a festival

-Hi, Nick!

-Hi, Sara!

-What are you doing?

-I'm reading book

-Where you was yesterday?

-I was at school

-Do you want to play tennis?

-No, thanks. I'm listening a music now