Syntax

Verbs of giving advice and warning

The following structure is used to give advice and warn someone about the consequences of not doing something.

Imperative ... or ... will/might happen.

• Take an aspirin or your headache might get worse.
• Go to bed early tonight or you'll feel tired in the morning.
• Leave now or you won't get there in time.

Will is used in its contracted form ('ll) with this structure.

For information about will, won't and might and to look at other ways of giving advice, see Modal verbs.