_____ your open the windows please?
Would / could
_____ you like some help?
would
_____ I use your phone ?
Can / could / may
We ___ take the bus because my dad will drive us.
don't have to
You ____ study hard for your final exams.
must/should
You ___ wear a helmet while riding a bike.
must/have to
I ________ leave now. I want to help my mom do the housework.
must
I ____ wake up early on weekends.
don't have to / don't need to
My brother ___ fix the car when he was younger.
could
We ___ finish this project by Friday. It’s very important for the company.
have to
You ______ bring your ID to enter the building.
must / have to
You ______ pay for the library. It’s free.
don't have to
We _____ pick the flowers in the park. It’s forbidden
can't / mustn't
You ___ use your phone during class. It’s against the rules.
can't / mustn't
_____ you carry this for me, please?
will / would / could / can
You _____ smoke in your car, especially if there are children sitting in the back.
mustn't