I may butterfly you may butterfly she may butterfly we may butterfly you may butterfly they may butterfly
V-ing form
I may be butterflying you may be butterflying she may be butterflying we may be butterflying you may be butterflying they may be butterflying
Perfect
I may have butterflied you may have butterflied she may have butterflied we may have butterflied you may have butterflied they may have butterflied
V-ing perfect
I may have been butterflying you may have been butterflying she may have been butterflying we may have been butterflying you may have been butterflying they may have been butterflying
Negation
Simple form
I may not butterfly you may not butterfly she may not butterfly we may not butterfly you may not butterfly they may not butterfly
V-ing form
I may not be butterflying you may not be butterflying she may not be butterflying we may not be butterflying you may not be butterflying they may not be butterflying
Perfect
I may not have butterflied you may not have butterflied she may not have butterflied we may not have butterflied you may not have butterflied they may not have butterflied
V-ing perfect
I may not have been butterflying you may not have been butterflying she may not have been butterflying we may not have been butterflying you may not have been butterflying they may not have been butterflying
Interrogative form
Simple form
may I butterfly? may you butterfly? may she butterfly? may we butterfly? may you butterfly? may they butterfly?
V-ing form
may I be butterflying? may you be butterflying? may she be butterflying? may we be butterflying? may you be butterflying? may they be butterflying?
Perfect
may I have butterflied? may you have butterflied? may she have butterflied? may we have butterflied? may you have butterflied? may they have butterflied?
V-ing perfect
may I have been butterflying? may you have been butterflying? may she have been butterflying? may we have been butterflying? may you have been butterflying? may they have been butterflying?
Interro-negative form
Simple form
may I not butterfly? may you not butterfly? may she not butterfly? may we not butterfly? may you not butterfly? may they not butterfly?
V-ing form
may I not be butterflying? may you not be butterflying? may she not be butterflying? may we not be butterflying? may you not be butterflying? may they not be butterflying?
Perfect
may I not have butterflied? may you not have butterflied? may she not have butterflied? may we not have butterflied? may you not have butterflied? may they not have butterflied?
V-ing perfect
may I not have been butterflying? may you not have been butterflying? may she not have been butterflying? may we not have been butterflying? may you not have been butterflying? may they not have been butterflying?