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