can please explain me about modals with examples.
Averbthat combines with another verb to indicatemoodortense. A modal (also known as amodal auxiliary) expresses necessity, uncertainty, ability, or permission.
Most linguists agree that there are 10 core or central modals in English:can, could, may, might, must, ought, shall, should, will, andwould. Other verbs--includingneed,had betterandinvariantbe--may also function as modals (or semi-modals).