Question

Copy the tabhe . Fill in must or mustn't.

I walk on the grass .
You go to school every day
He do the homework
She cross the street when the lights are red .
We listen to the teacher .
They pick flowers in the park

Answer 1

I mustn't walk on the grass.
You must go to school
He must do the homework
She mustn't cross the street
We must listen to the teacher
They mustn't pick flowers in the park.