作者：Claudia De León 3 年以前
191
Modals
Modals
to express certainty
Kathy will do well on the test. (The speaker feel sure)
to express likelihood
The teacher told me I would get a better grade in the test. (past prediction)
The coach told our team will win the game. (present/future prediction).
To express willingness
I’ll have breakfast, please.
to express prohibition
You must not tell anyone my secret.
To express logical asumption
You must be happy.
To express a strong advice
You must study to improve your grade.
To express obligation
All applicants must/have to take the entrance exam.
To express ability
She can swim. She couldn't swim yesterday (past ability). She is able to swim.
To express possibility
Why wasn't Marie here. She may/might/could have been sick. (happen in the past)
He could/may/might be sick. (50% of possibilities)
Sam can't be hungry. (It is imposible)
He can arrive on time. (It is possible).
To express Lack of necessity
We do not need /have to go to class.
to give advice
I should study for the test. I ought to study for the test
to make requests
Would you pass me the salt?
To express habits
He used to be a Boy Scout. State which is not a habit in the present anymore.
My father would read me a story before bed time (past habits)
