Attention, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.
Affirmation
Forme simple
I could sniffer you could sniffer she could sniffer we could sniffer you could sniffer they could sniffer
Forme en V-ing
I could be sniffering you could be sniffering she could be sniffering we could be sniffering you could be sniffering they could be sniffering
Perfect
I could have sniffered you could have sniffered she could have sniffered we could have sniffered you could have sniffered they could have sniffered
Perfect en V-ing
I could have been sniffering you could have been sniffering she could have been sniffering we could have been sniffering you could have been sniffering they could have been sniffering
Négation
Forme simple
I couldn't sniffer you couldn't sniffer she couldn't sniffer we couldn't sniffer you couldn't sniffer they couldn't sniffer
Forme en V-ing
I couldn't be sniffering you couldn't be sniffering she couldn't be sniffering we couldn't be sniffering you couldn't be sniffering they couldn't be sniffering
Perfect
I couldn't have sniffered you couldn't have sniffered she couldn't have sniffered we couldn't have sniffered you couldn't have sniffered they couldn't have sniffered
Perfect en V-ing
I couldn't have been sniffering you couldn't have been sniffering she couldn't have been sniffering we couldn't have been sniffering you couldn't have been sniffering they couldn't have been sniffering
Forme interrogative
Forme simple
could I sniffer? could you sniffer? could she sniffer? could we sniffer? could you sniffer? could they sniffer?
Forme en V-ing
could I be sniffering? could you be sniffering? could she be sniffering? could we be sniffering? could you be sniffering? could they be sniffering?
Perfect
could I have sniffered? could you have sniffered? could she have sniffered? could we have sniffered? could you have sniffered? could they have sniffered?
Perfect en V-ing
could I have been sniffering? could you have been sniffering? could she have been sniffering? could we have been sniffering? could you have been sniffering? could they have been sniffering?
Forme interro-négative
Forme simple
couldn't I sniffer? couldn't you sniffer? couldn't she sniffer? couldn't we sniffer? couldn't you sniffer? couldn't they sniffer?
Forme en V-ing
couldn't I be sniffering? couldn't you be sniffering? couldn't she be sniffering? couldn't we be sniffering? couldn't you be sniffering? couldn't they be sniffering?
Perfect
couldn't I have sniffered? couldn't you have sniffered? couldn't she have sniffered? couldn't we have sniffered? couldn't you have sniffered? couldn't they have sniffered?
Perfect en V-ing
couldn't I have been sniffering? couldn't you have been sniffering? couldn't she have been sniffering? couldn't we have been sniffering? couldn't you have been sniffering? couldn't they have been sniffering?