The fish is .....
SWIMMING
They ....... their teeth. (BRUSH)
They're brushing their teeth.
The squirrel .......... a tortilla.
IS EATING
He ....... ........ honey. EAT
He is eating honey.
He ........... He............. (NOT WRITE, READ)
He isn't writing. He's reading.
Homer ............. TV.
IS WATCHING
They ........ football. They .......... basketball.
They aren't playing football. They're playing basketball.
They ..... ...... football.
They're playing football.