Tenses for fatten Present participle:
fattening
Present:
fatten (3.person: fattens)
Past:
fattened
Future:
will fatten
Present conditional:
would fatten
Present Perfect:
have fattened (3.person: has fattened)
Past Perfect:
had fattened
Future Perfect:
will have fattened
Past conditional:
would have fattened