I'll be sniffering you'll be sniffering he'll be sniffering we'll be sniffering you'll be sniffering they'll be sniffering
Futur antérieur
I'll have sniffered you'll have sniffered he'll have sniffered we'll have sniffered you'll have sniffered they'll have sniffered
Futur antérieur continu
I'll have been sniffering you'll have been sniffering he'll have been sniffering we'll have been sniffering you'll have been sniffering they'll have been sniffering
I'd be sniffering you'd be sniffering he'd be sniffering we'd be sniffering you'd be sniffering they'd be sniffering
Passé
I'd have sniffered you'd have sniffered he'd have sniffered we'd have sniffered you'd have sniffered they'd have sniffered
Passé continu
I'd have been sniffering you'd have been sniffering he'd have been sniffering we'd have been sniffering you'd have been sniffering they'd have been sniffering