She can to dance very well.
She can dance very well.
You ___ open the window. It’s very hot.
You Should open the window. It’s very hot.
It is necessary for you to wear a uniform.
You have to wear a uniform.
(I / swim / but not very well)
I can't swim very well.
She looks pale and tired. She ___ see a doctor.
She looks pale and tired. She should see a doctor.
You mustn’t to speak loudly in the library.
You mustn’t speak loudly in the library.
I ___ swim when I was five.
I could swim when I was five.
It is possible that Sara will visit us.
Sara may visit us.
(He / call / doctor / advice)
He should call the doctor for advice.
The lights are off and the door is locked. He ___ be at home.
The lights are off and the door is locked. He may not be at home.
He cans play the guitar.
He can play the guitar.
They ___ come to the party, but they’re still not sure.
They may come to the party, but they’re still not sure.
It was possible for him to solve the puzzle quickly when he was a kid.
He could solve the puzzle when he was a kid.
(We / arrive / early/ for the test )
We have to arrive early.
This key doesn’t fit. It ___ be the wrong one.
This key doesn’t fit. It may be the wrong one.
I could went to the doctor.
I could go to the doctor.
They ___ be tired after the trip, but I’m not sure.
They may be tired after the trip, but I’m not sure.
Students are asked to throw the trash in the bins.
Students must throw the trash in the bins.
(They / play piano / when kids)
They could play the piano when they were kids.
He swims very well now, but when he was little, he ________ swim at all.
He swims very well now, but when he was little, he couldn't swim at all.
Students have to be quiet? No, they mustn’t to talk.
Students have to be quiet? No, they mustn’t talk.
I’m not sure, but he ___ have taken the wrong train.
I’m not sure, but he might have taken the wrong train.
It’s prohibited to enter this area.
You mustn't enter this area.
(They / leave / some money ) speculation
They might leave some money
It is very sunny today, but it ________ rain later.
It is very sunny today, but it might rain later.