Do I _______ check out before 5 pm? (obligation)
have to/ need to
Customers _________________ for the product within 30 days. (obligation)
must/ have to/ need to
You ________ make short personal calls at work. (permission)
can
Employees _________________ (not) wear an ID badge, it is optional (obligation)
don't have to
We ___________ start work at 9. (obligation)
must/ have to
They __________________ wear their uniform during working hours. (obligation)
must, have to
She ______________- update her password by the end of the week. (obligation)
needs to/has to/ must
He__________________ show his passport at the security desk (past/ obligation)
had to
We ____________ make personal calls from our workstations at lunchtime (permission)
can/ are allowed to
Visitors ___________________ to enter this area of the building without a pass. (prohibition)
can't/ are not allowed/ mustn't
Employees _________________ use the internet during work time for personal use. (prohibition)
mustn't/ can't/ are not allowed
You _________________ to bring your mobile phone into the lab. (permission)
are allowed to / can
