Warning, this verb may not exist. Conjugation is given as example.
Indicative
Present
I collaborate contribute you collaborate contribute she collaborate contributes we collaborate contribute you collaborate contribute they collaborate contribute
I collaborate contributed you collaborate contributed she collaborate contributed we collaborate contributed you collaborate contributed they collaborate contributed
Preterite continuous
I was collaborate contributing you were collaborate contributing she 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 she'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 she'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 she'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 she'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 she'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 she'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 she'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 she'd have been collaborate contributing we'd have been collaborate contributing you'd have been collaborate contributing they'd have been collaborate contributing