You_____ work hard
must
You _____ go to bed earlier
must
I ______ arrive at 9
have to
He ____ to buy water, because I bought yesterday
doesn´t have to
You _____ park here
mustn't
All passengers ______ wear seat belt
must
You______ drink wine
mustn´t
In Britain,you________ to drive on the left
have to
You ______ have to drive, I can do it.
don´t have to