may backstop
Regular verb: backstop - backstoped- backstoped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may backstop
you may backstop
he may backstop
we may backstop
you may backstop
they may backstop 	I may be backstoping
you may be backstoping
he may be backstoping
we may be backstoping
you may be backstoping
they may be backstoping	I may have backstoped
you may have backstoped
he may have backstoped
we may have backstoped
you may have backstoped
they may have backstoped	I may have been backstoping
you may have been backstoping
he may have been backstoping
we may have been backstoping
you may have been backstoping
they may have been backstoping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't backstop
you mayn't backstop
he mayn't backstop
we mayn't backstop
you mayn't backstop
they mayn't backstop 	I mayn't be backstoping
you mayn't be backstoping
he mayn't be backstoping
we mayn't be backstoping
you mayn't be backstoping
they mayn't be backstoping	I mayn't have backstoped
you mayn't have backstoped
he mayn't have backstoped
we mayn't have backstoped
you mayn't have backstoped
they mayn't have backstoped	I mayn't have been backstoping
you mayn't have been backstoping
he mayn't have been backstoping
we mayn't have been backstoping
you mayn't have been backstoping
they mayn't have been backstoping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I backstop?
may you backstop?
may he backstop?
may we backstop?
may you backstop?
may they backstop? 	may I be backstoping?
may you be backstoping?
may he be backstoping?
may we be backstoping?
may you be backstoping?
may they be backstoping? 	may I have backstoped?
may you have backstoped?
may he have backstoped?
may we have backstoped?
may you have backstoped?
may they have backstoped? 	may I have been backstoping?
may you have been backstoping?
may he have been backstoping?
may we have been backstoping?
may you have been backstoping?
may they have been backstoping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I backstop?
mayn't you backstop?
mayn't he backstop?
mayn't we backstop?
mayn't you backstop?
mayn't they backstop? 	mayn't I be backstoping?
mayn't you be backstoping?
mayn't he be backstoping?
mayn't we be backstoping?
mayn't you be backstoping?
mayn't they be backstoping? 	mayn't I have backstoped?
mayn't you have backstoped?
mayn't he have backstoped?
mayn't we have backstoped?
mayn't you have backstoped?
mayn't they have backstoped? 	mayn't I have been backstoping?
mayn't you have been backstoping?
mayn't he have been backstoping?
mayn't we have been backstoping?
mayn't you have been backstoping?
mayn't they have been backstoping?