I'll be whistling you'll be whistling he'll be whistling we'll be whistling you'll be whistling they'll be whistling
Futuro perfecto
I'll have whistled you'll have whistled he'll have whistled we'll have whistled you'll have whistled they'll have whistled
Futuro perfecto contínuo
I'll have been whistling you'll have been whistling he'll have been whistling we'll have been whistling you'll have been whistling they'll have been whistling
I'd be whistling you'd be whistling he'd be whistling we'd be whistling you'd be whistling they'd be whistling
Passado
I'd have whistled you'd have whistled he'd have whistled we'd have whistled you'd have whistled they'd have whistled
Passado continuo
I'd have been whistling you'd have been whistling he'd have been whistling we'd have been whistling you'd have been whistling they'd have been whistling