Grammar
What modal do you use for prohibition?
Can't/ Must not
Complete: I think __________ take your shoes off inside.
I think you SHOULD take your shoes off inside
I don't want to go to the pool. I_____ swim.
can't
Employees ________respect the company's policies.
have to/must
What modals do you use for ability and possibility?
Can and could
Give advice for this situation: My computer doesn't work.
You should go to the computer technician.
You'd better fix it quickly if you need it for work!
You ought to buy a new one
B: I haven't talked to her but she _____ come.
Might / may / could
You _________ take phones into the exam room
can't/ are not allowed to
What modals do you use for obligation/necessity?
must / have to
need to
Give advice in this situation: My dog is sick.
You should take him to the vet.
You ought to feed it better!
You'd better be careful with its health!
It ______ be him, he's in Australia right now!
can't
You ________ pay to visit most museums and art galleries in NY. Entrance is usually free.
don’t have to
What modals do you use for lack of obligation/necessity?
don't have to, doesn't have to, don't need to/needn't
Give advice for this situation: I don't have any money for vacation.
You should save some money before you go.
You ought to find an extra job.
You'd better postpone your plans.
Would you _______ come with us to California during spring break?
Be able to
1. I ____ work on Sunday because we welcome important clients.
1. have to/ must
What modals do you use to give advice?
should/ shouldn't
Give advice for this situation: I need some ideas to celebrate the end of the semester.
You should throw a party!
You ought to plan a trip and you'd better buy the flight tickets now if you want to save money!
I _____ send you all the documents yesterday, but I _____ send them next week.
I COULDN'T send you all the documents yesterday, but I'LL BE ABLE TO send then next week.
Tell me 3 things students mustn't do in an exam.
Students mustn't cheat!
Students mustn't use their phone!
Students mustn't speak!