Ability
I (have to, must) eat because if I don't, I will be sick.
I have to eat because if I don't, I will be sick.
We have enough milk in the fridge so we (had better, can't, mustn't, should) drink it before the due date
We have enough milk in the fridge so we should drink it before the due date
My dear friend, (can, could, may) you pass me the salt?
My dear friend, can you pass me the salt?
She (has to, have to) work this afternoon.
She has to work this afternoon.
Jhon (had better, can't, mustn't, should) smoke at the university, it's a huge fault!
Jhon mustn't smoke at the university, it's a huge fault!
Teacher, (can, could, may)I go to the library?
Teacher, may I go to the library?
He will (have to, has to) work during holy week.
He will have to work during holy week.
Mary (had better, can't, mustn't, should) go to the party, she must take her sister to a museum
Mary can't go to the party, she must take her sister to a museum
Sir, (can, could, may) you open the door, please? I wanto to pass!
Sir, could you open the door, please? I wanto to pass!
When my mother was a child, my aunt (had to, has to, have to) work!
When my mother was a child, my aunt had to work!
I (had better, can't, mustn't, should) go to the doctor, I feel bad! :(
I should go to the doctor, I feel bad! :(
When (can, could, may) I come and get my medical results?
When could I come and get my medical results?
Billy and I (must, have to) cook dinner tonight because we promised it!
Billy and I have to cook dinner tonight because we promised it!
He told her sister, she (had better, can't, mustn't, should) pass the test or she will have consequences.
He told her sister, she had better pass the test or she will have consequences.
Mum, where (can, could, may) I put these clothes?
Mum, where can I put these clothes?