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Futuro perfecto
I'll have collaborated you'll have collaborated she'll have collaborated we'll have collaborated you'll have collaborated they'll have collaborated
Futuro perfecto contínuo
I'll have been collaborating you'll have been collaborating she'll have been collaborating we'll have been collaborating you'll have been collaborating they'll have been collaborating
I'd be collaborating you'd be collaborating she'd be collaborating we'd be collaborating you'd be collaborating they'd be collaborating
Passado
I'd have collaborated you'd have collaborated she'd have collaborated we'd have collaborated you'd have collaborated they'd have collaborated
Passado continuo
I'd have been collaborating you'd have been collaborating she'd have been collaborating we'd have been collaborating you'd have been collaborating they'd have been collaborating