Безотлагательно нужна ваша помощь!Rephrase the following sentences using must, mustn 039;t,

Безотлагательно нужна ваша помощь!
Rephrase the following sentences using must, mustn 't, needn't, has to or doesn't have to.
1 You aren't allowed to park your car in the college car park.
2 I strongly advise you to speak to your parents about your decision. .
3 It isn't necessary for Emma to attend tomorrow's staff meeting.
4 Jack is obliged to wear a suit and a tie at work because the manager says so
5 I'm sure Antonio is from Milan.
6 It's necessary for Roger to find a job soon
It's forbidden to use mobile phones inside the hospital..
Susan is obliged to work overtime because her boss says so