OBLIGATION
I'm sorry but I can't go to the party. I _________________ study for my next exam.
MUST
In the UK you ______________ drive on the right.
MUSTN'T
You _______________ to walk to school today. I can give you a lift.
DON'T HAVE/ DON'T NEED
My grandma told my parents that they ______________ let me travel alone, I am old enough
SHOULD
You ____________________ to show your passport if an official wants to see it.
HAVE
My parents don't ________________ (go) to parties.
LET ME GO
You __________________ finish that project now. You can finish it tomorrow.
NEEDN'T/ DON'T NEED TO / DON'T HAVE TO
You _____________ (run), or you will die. Use BETTER.
'd better run
We ______________ to make sure we catch the last train.
NEED / HAVE
You __________________ (ride) your bike in this park. It is banned.
MUSTN'T RIDE
You _____________ worry, mum! I'll be fine.
DON'T NEED TO/ NEEDN'T/ DON'T HAVE TO
You ____________ speak Spanish in class, you won't learn if you do it. (OUGHT)
ought not to /oughtn't to
I left so early because I ________________ (be) at the airport two hours before my flight left.
HAD TO / NEEDED TO
I didn't go on that trip because my parents _________________ (go).
DIDN'T LET ME GO
Everything was fine after all. You ________________ (worry) so much yesterday.
NEEDN'T HAVE WORRIED
You ______________ (show) your boarding card at the gate.
should/ought to
You ________________ tell the teacher tomorrow if you want to go on the school trip.
WILL HAVE TO
We are not _____________________ (speak) Catalan in class.
ALLOWED TO SPEAK
The fridge was full so I _____________________ (go) shopping yesterday,
DIDN'T HAVE TO / DIDN'T NEED TO
You ____________ (start) doing your homework or you won't have enough time. _______ you?
should, shouldn't