Don't Have to/Have to/ Must/Mustn't
We have a lot of work tomorrow. You ________ be late.
We have a lot of work tomorrow. You mustn't be late.
I can give you my car, so you _____________ buy a new one.
don't have to
My father is a policeman, so he often __________ work night shifts.
My father is a policeman, so he often has to work night shifts.
I am __________ (excite) about meeting your fiancee.
Excited
She's only five, but she ______ read and write.
can / is able to
You ________ be rich to be successful in life
You don't have to be rich to be successful in life.
I have found a job already, so I _______ write any letters of application.
don't have to
Next year, I hope you _______________ speak English fluently.
will be able to
The class has been very _____________ (interest).
interesting
One day, I ________________ speak enough English to study in New York.
____ Ally _____ to send a photo with her passport application?
Does Ally have to send a photo with her passport application?
Children ________ tell lies. It's very naughty.
mustn't
My daughter always wanted ___________ to scuba dive, but she is too claustrophobic under water.
to be able to
Don't be _________ to speak up in class. (embarrass)
embarrassed
Linda ________________ find a job even though she looked for many months.
wasn't able to / couldn't
It's raining outside. Tim decided he __________ take his umbrella.
must
You ______ go in the construction site. It’s forbidden!
mustn't
50 years from now, kids _______________ go to school. All classes will be online.
50 years from now, kids won't have to go to school. All classes will be online.
My mother was very ______________ (frustrate) by the slow moving traffic.
frustrated
Luckily, the firefighters _____________ rescue all the people from the building.
were able to
The concert was free, so we __________ pay.
The concert was free, so we didn't have to pay.
The government sponsors the school meals for the children from poor families. This means my friend, who's one of them, ______________ pay.
The government sponsors the school meals for the children from poor families. This means my friend, who's one of them, doesn't have to pay.
I wish I ______________ to speak English at advanced level now.
I wish I was/were able to speak English at advanced level now.
I don't understand why some people are some ___________ (frustrate) to work with.
I don't understand why some people are some frustrating to work with.
I'm sorry, we ____________ to come to your wedding next month.
won't be able to