I'll be sniffering you'll be sniffering he'll be sniffering we'll be sniffering you'll be sniffering they'll be sniffering
Perfect
I'll have sniffered you'll have sniffered he'll have sniffered we'll have sniffered you'll have sniffered they'll have sniffered
V-ing perfect
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
Negation
Simple form
I won't sniffer you won't sniffer he won't sniffer we won't sniffer you won't sniffer they won't sniffer
V-ing form
I won't be sniffering you won't be sniffering he won't be sniffering we won't be sniffering you won't be sniffering they won't be sniffering
Perfect
I won't have sniffered you won't have sniffered he won't have sniffered we won't have sniffered you won't have sniffered they won't have sniffered
V-ing perfect
I won't have been sniffering you won't have been sniffering he won't have been sniffering we won't have been sniffering you won't have been sniffering they won't have been sniffering
Interrogative form
Simple form
will I sniffer? will you sniffer? will he sniffer? will we sniffer? will you sniffer? will they sniffer?
V-ing form
will I be sniffering? will you be sniffering? will he be sniffering? will we be sniffering? will you be sniffering? will they be sniffering?
Perfect
will I have sniffered? will you have sniffered? will he have sniffered? will we have sniffered? will you have sniffered? will they have sniffered?
V-ing perfect
will I have been sniffering? will you have been sniffering? will he have been sniffering? will we have been sniffering? will you have been sniffering? will they have been sniffering?
Interro-negative form
Simple form
won't I sniffer? won't you sniffer? won't he sniffer? won't we sniffer? won't you sniffer? won't they sniffer?
V-ing form
won't I be sniffering? won't you be sniffering? won't he be sniffering? won't we be sniffering? won't you be sniffering? won't they be sniffering?
Perfect
won't I have sniffered? won't you have sniffered? won't he have sniffered? won't we have sniffered? won't you have sniffered? won't they have sniffered?
V-ing perfect
won't I have been sniffering? won't you have been sniffering? won't he have been sniffering? won't we have been sniffering? won't you have been sniffering? won't they have been sniffering?