Modal Verbs

GRAMMAR MODAL VERBS

MAY / MIGHT, SHOULD, OUGHT TO

Formas May / might Should / ought to
Afirmativa He [may] [might] stay here We [should] [ought to] go now.

Interrogativa [may] [might] he stay here? [Should we] [ought we to] go now?

Negativa He [may NOT] [might NOT] stay here. We [should not] [ought not] go now.

Abreviada XXX / mightn’t Shouldn’t / oughtn’t

Substituta To be allowed to XXX / XXX