Warning, this verb may not exist. Conjugation is given as example.
Indicative
Present
I collaborate contribute you collaborate contribute he collaborate contributes we collaborate contribute you collaborate contribute they collaborate contribute
I collaborate contributed you collaborate contributed he collaborate contributed we collaborate contributed you collaborate contributed they collaborate contributed
Preterite continuous
I was collaborate contributing you were collaborate contributing he was collaborate contributing we were collaborate contributing you were collaborate contributing they were collaborate contributing
I've been collaborate contributing you've been collaborate contributing he's been collaborate contributing we've been collaborate contributing you've been collaborate contributing they've been collaborate contributing
I'd been collaborate contributing you'd been collaborate contributing he'd been collaborate contributing we'd been collaborate contributing you'd been collaborate contributing they'd been collaborate contributing
I'll be collaborate contributing you'll be collaborate contributing he'll be collaborate contributing we'll be collaborate contributing you'll be collaborate contributing they'll be collaborate contributing
Future perfect
I'll have collaborate contributed you'll have collaborate contributed he'll have collaborate contributed we'll have collaborate contributed you'll have collaborate contributed they'll have collaborate contributed
Future perfect continuous
I'll have been collaborate contributing you'll have been collaborate contributing he'll have been collaborate contributing we'll have been collaborate contributing you'll have been collaborate contributing they'll have been collaborate contributing
I'd be collaborate contributing you'd be collaborate contributing he'd be collaborate contributing we'd be collaborate contributing you'd be collaborate contributing they'd be collaborate contributing
Past
I'd have collaborate contributed you'd have collaborate contributed he'd have collaborate contributed we'd have collaborate contributed you'd have collaborate contributed they'd have collaborate contributed
Past continuous
I'd have been collaborate contributing you'd have been collaborate contributing he'd have been collaborate contributing we'd have been collaborate contributing you'd have been collaborate contributing they'd have been collaborate contributing