Am, is and are are used as main verbs, (present simple) followed by a noun* (with or without a determiner) , pronoun* adjective*; or preposition phrase*; and as auxiliary verbs in present progressive acive and present (simple and progressive) passive constructions. * These forms may be implied: Are you happy? Yes, I am.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.