Modals of Obligation
Modals of Obligation
Possibility/Probability/Certainty
Present Form:
Past Form:
Should/Ought to are used when we are not sure of something, but based on our deduction, we feel it is probable.
It’s 7pm and the train came in at 6pm. He should be here by now.
Would/Wouldn’t is used for possibility in conditional sentences.
If I had the time, I would/could/might go out for a walk