Share Modal verbs (obligation/prohibition/advice/permission)
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Here we (1) don’t have to/have to wear a uniform, which is great because I dislike them, but we (2) can/can’t wear shorts or things like that.
(1) don't have to (2) can't
I’m not sure if we (3) can/have to wear make-up at all.
can
The amazing thing is that we (4) don’t have to/can use mobile phones in class – but only with the teacher’s permission
can
Of course, we (5) mustn’t/don’t have to use them to text each other or surf the web.
mustn't
Like in my old school, attendance is important and we (6) mustn’t/must be late.
mustn't
‘My computer has crashed again! Can you fix it?’ ‘Well, I can try, but you’d ____ ask a computer technician.’
better
‘I have to do an assignment on Romeo and Juliet, but I haven’t read it yet.’ ‘Well, you ____ to start now if you want to get a good mark.’
ought
‘His essays are copied off the Internet.’ ‘He ____ do that. That’s called plagiarism.’
shouldn’t/mustn't/cannot
‘Do you know much about psychology?’ ‘I don’t, but you ____ ask Tom’s mother, she’s a university professor.’
should
‘She’s going to do business studies when she finishes school.’ ‘I don’t think she ____, she doesn’t like maths.’
should
‘I forgot we had a biology test today.’ ‘You ought ____ check the timetable next time.’
to
