2. Choose the correct form of the verb to be.
"He is riding a bike in the park.
i....... writing a letter to
sister now.
you.....watching a very interesting movie.
Jane and her dog
.......walking in the park.
my brother......slepping on the couch.
my parents an i
.....going on a vacation.
The trwo girls
..... dancing
on the stage.
Jessy......
taking pictures,​