Modal Verbs

Alternative Forms:

can (expressing ability or possibility) – negative form: “cannot” or can´t”,

be able to (expressing ability), could (expressing general ability or permission)

may (asking for permission or expressing possibility) – negative form: “may not” or “must not” (expressing strong forbiddance),

be allowed to (expressing permission), might (expressing possibility and/or that a situation is not real)

Must (expressing necessity to do something) – negative form: “need not (needn´t)” or “do not (don´t) have to”,

have to (more impersonal than must)

Should (expressing advice and opinion or expectation) – negative form: “should not (shouldn´t)”

ought to

Find more exercises inside our free units:[1] I [2] I [3] I [4] I [5] I [6] I [7] I [8] I [9] I [10] - Poll: Would you enjoy more free lessons?

[more grammar]