Plain form
be

Present
am, is, are

Past
was, were

Past participle
been

Present participle
being

Negatives:

None, isn't, aren't

wasn't, weren't

None

None

Contractions:

'm, 's, 're

None

None

None

  1. (auxiliary) (linking) The negative form of are; are not.
    They aren't very happy.
    John and Mary aren't playing.
    Aren't you all hungry?
    Aren't I invited?