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
Contractions:
'm, 's, 're
Plain form have
Plain present have
Third person singular has
Past had
Present participle having
Negative
haven't
hasn't
hadn't
Contracted
've
's
'd
Third-person singular has
Past tense had
Past participle had
Plain present 've
Third person singular 's
Past 'd
Past participle None
Present participle None
Plain form do
Plain present do
Third person singular does
Past did
don't
doesn't
didn't
Contraction
Plain present None
Pronoun's