may summersault
Regular verb: summersault - summersaulted- summersaulted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may summersault
you may summersault
she may summersault
we may summersault
you may summersault
they may summersault 	I may be summersaulting
you may be summersaulting
she may be summersaulting
we may be summersaulting
you may be summersaulting
they may be summersaulting	I may have summersaulted
you may have summersaulted
she may have summersaulted
we may have summersaulted
you may have summersaulted
they may have summersaulted	I may have been summersaulting
you may have been summersaulting
she may have been summersaulting
we may have been summersaulting
you may have been summersaulting
they may have been summersaulting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't summersault
you mayn't summersault
she mayn't summersault
we mayn't summersault
you mayn't summersault
they mayn't summersault 	I mayn't be summersaulting
you mayn't be summersaulting
she mayn't be summersaulting
we mayn't be summersaulting
you mayn't be summersaulting
they mayn't be summersaulting	I mayn't have summersaulted
you mayn't have summersaulted
she mayn't have summersaulted
we mayn't have summersaulted
you mayn't have summersaulted
they mayn't have summersaulted	I mayn't have been summersaulting
you mayn't have been summersaulting
she mayn't have been summersaulting
we mayn't have been summersaulting
you mayn't have been summersaulting
they mayn't have been summersaulting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I summersault?
may you summersault?
may she summersault?
may we summersault?
may you summersault?
may they summersault? 	may I be summersaulting?
may you be summersaulting?
may she be summersaulting?
may we be summersaulting?
may you be summersaulting?
may they be summersaulting? 	may I have summersaulted?
may you have summersaulted?
may she have summersaulted?
may we have summersaulted?
may you have summersaulted?
may they have summersaulted? 	may I have been summersaulting?
may you have been summersaulting?
may she have been summersaulting?
may we have been summersaulting?
may you have been summersaulting?
may they have been summersaulting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I summersault?
mayn't you summersault?
mayn't she summersault?
mayn't we summersault?
mayn't you summersault?
mayn't they summersault? 	mayn't I be summersaulting?
mayn't you be summersaulting?
mayn't she be summersaulting?
mayn't we be summersaulting?
mayn't you be summersaulting?
mayn't they be summersaulting? 	mayn't I have summersaulted?
mayn't you have summersaulted?
mayn't she have summersaulted?
mayn't we have summersaulted?
mayn't you have summersaulted?
mayn't they have summersaulted? 	mayn't I have been summersaulting?
mayn't you have been summersaulting?
mayn't she have been summersaulting?
mayn't we have been summersaulting?
mayn't you have been summersaulting?
mayn't they have been summersaulting?