Share Permission, Obligation and Necessity
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Which option is NOT possible? [We need to / We've got to / We can] check out before 12 or the hotel will charge us for another night.
We can
Which option is NOT possible? When we were children, we [couldn't / shouldn't / weren't allowed to] stay out late.
shouldn't
Which option is NOT possible? I [should have / must have / ought to have] packed some warmer clothes - I'm freezing!
must have
Which option is NOT possible?You [mustn't / are supposed to / don't have to] walk dogs on this beach, but many people do.
don't have to
Which option is NOT possible? Some members of my family [couldn't / needn't / weren't able to] attend our wedding because we held it abroad.
needn't
Which option is NOT possible? I [mustn't / needn't / don't have to] study tonight as my exams are over.
mustn't
Which option is NOT possible? [We ought to / We're allowed to / We'd better] look in on your mother this weekend. She hasn't been well.
We're allowed to
Which phrases imply that the rule(s) aren't always followed?
be (not) supposed to / be (not) meant to
True or False: Mustn't and don't have to have the same meaning.
False
Which phrase implies that something negative will happen if you do the opposite of what was said?
had better
How do we form the negative of had better?
had better not
Which phrase is often used in official public announcements to say what can or can't be done according to law?
be (not) permitted to
Which two phrases do we use to talk about something that did not happen in the past and we regret?
should have & ought to have
Remake this sentence using the word in brackets: We regret buying such a small house. (should)
We shouldn't have bought such a small house.
Remake this sentence using the word in brackets: Don't be late because the class always starts on time. (better)
You'd better not be late because the class always starts on time.
Remake this sentence using the word in brackets: We're going on holiday so we can't come to your wedding. (won't)
We're going on holiday so we won't be able to come to your wedding.
