English verb conjugation
MAY SNIFF

Regular verb: sniff - sniffed - sniffed

Affirmation

Simple form	V-ing form
I may sniff you may sniff he may sniff we may sniff you may sniff they may sniff	I may be sniffing you may be sniffing he may be sniffing we may be sniffing you may be sniffing they may be sniffing
Perfect	V-ing perfect
I may have sniffed you may have sniffed he may have sniffed we may have sniffed you may have sniffed they may have sniffed	I may have been sniffing you may have been sniffing he may have been sniffing we may have been sniffing you may have been sniffing they may have been sniffing

Negation

Simple form	V-ing form
I mayn't sniff you mayn't sniff he mayn't sniff we mayn't sniff you mayn't sniff they mayn't sniff	I mayn't be sniffing you mayn't be sniffing he mayn't be sniffing we mayn't be sniffing you mayn't be sniffing they mayn't be sniffing
Perfect	V-ing perfect
I mayn't have sniffed you mayn't have sniffed he mayn't have sniffed we mayn't have sniffed you mayn't have sniffed they mayn't have sniffed	I mayn't have been sniffing you mayn't have been sniffing he mayn't have been sniffing we mayn't have been sniffing you mayn't have been sniffing they mayn't have been sniffing

Interrogative form

Simple form	V-ing form
may I sniff? may you sniff? may he sniff? may we sniff? may you sniff? may they sniff?	may I be sniffing? may you be sniffing? may he be sniffing? may we be sniffing? may you be sniffing? may they be sniffing?
Perfect	V-ing perfect
may I have sniffed? may you have sniffed? may he have sniffed? may we have sniffed? may you have sniffed? may they have sniffed?	may I have been sniffing? may you have been sniffing? may he have been sniffing? may we have been sniffing? may you have been sniffing? may they have been sniffing?

Interro-negative form

Simple form	V-ing form
mayn't I sniff? mayn't you sniff? mayn't he sniff? mayn't we sniff? mayn't you sniff? mayn't they sniff?	mayn't I be sniffing? mayn't you be sniffing? mayn't he be sniffing? mayn't we be sniffing? mayn't you be sniffing? mayn't they be sniffing?
Perfect	V-ing perfect
mayn't I have sniffed? mayn't you have sniffed? mayn't he have sniffed? mayn't we have sniffed? mayn't you have sniffed? mayn't they have sniffed?	mayn't I have been sniffing? mayn't you have been sniffing? mayn't he have been sniffing? mayn't we have been sniffing? mayn't you have been sniffing? mayn't they have been sniffing?