English verb conjugation
MAY SNIFF

Regular verb: sniff - sniffed - sniffed

Affirmation

Simple form	V-ing form
I may sniff you may sniff she may sniff we may sniff you may sniff they may sniff	I may be sniffing you may be sniffing she 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 she 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 she 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 may not sniff you may not sniff she may not sniff we may not sniff you may not sniff they may not sniff	I may not be sniffing you may not be sniffing she may not be sniffing we may not be sniffing you may not be sniffing they may not be sniffing
Perfect	V-ing perfect
I may not have sniffed you may not have sniffed she may not have sniffed we may not have sniffed you may not have sniffed they may not have sniffed	I may not have been sniffing you may not have been sniffing she may not have been sniffing we may not have been sniffing you may not have been sniffing they may not have been sniffing

Interrogative form

Simple form	V-ing form
may I sniff? may you sniff? may she sniff? may we sniff? may you sniff? may they sniff?	may I be sniffing? may you be sniffing? may she 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 she 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 she 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
may I not sniff? may you not sniff? may she not sniff? may we not sniff? may you not sniff? may they not sniff?	may I not be sniffing? may you not be sniffing? may she not be sniffing? may we not be sniffing? may you not be sniffing? may they not be sniffing?
Perfect	V-ing perfect
may I not have sniffed? may you not have sniffed? may she not have sniffed? may we not have sniffed? may you not have sniffed? may they not have sniffed?	may I not have been sniffing? may you not have been sniffing? may she not have been sniffing? may we not have been sniffing? may you not have been sniffing? may they not have been sniffing?