doing

do

does

don't

She was cycling in the park

She was eating breakfast

She was studying

She was running in the stadium

They were drinking soda

They were playing tennis

They were talking at the restaurant

They were watching theTV

She is the tallest girl in my class

He ate pizza with friends

I was studying while he was making dinner.

I am studying English with Susan

Mike was watching the tv and talking to Lisa.

Susan was running outside

I wrote a letter for my grandmother

They usually play videogames