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