may harpoon
Regular verb: harpoon - harpooned- harpooned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may harpoon
you may harpoon
she may harpoon
we may harpoon
you may harpoon
they may harpoon 	I may be harpooning
you may be harpooning
she may be harpooning
we may be harpooning
you may be harpooning
they may be harpooning	I may have harpooned
you may have harpooned
she may have harpooned
we may have harpooned
you may have harpooned
they may have harpooned	I may have been harpooning
you may have been harpooning
she may have been harpooning
we may have been harpooning
you may have been harpooning
they may have been harpooning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't harpoon
you mayn't harpoon
she mayn't harpoon
we mayn't harpoon
you mayn't harpoon
they mayn't harpoon 	I mayn't be harpooning
you mayn't be harpooning
she mayn't be harpooning
we mayn't be harpooning
you mayn't be harpooning
they mayn't be harpooning	I mayn't have harpooned
you mayn't have harpooned
she mayn't have harpooned
we mayn't have harpooned
you mayn't have harpooned
they mayn't have harpooned	I mayn't have been harpooning
you mayn't have been harpooning
she mayn't have been harpooning
we mayn't have been harpooning
you mayn't have been harpooning
they mayn't have been harpooning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I harpoon?
may you harpoon?
may she harpoon?
may we harpoon?
may you harpoon?
may they harpoon? 	may I be harpooning?
may you be harpooning?
may she be harpooning?
may we be harpooning?
may you be harpooning?
may they be harpooning? 	may I have harpooned?
may you have harpooned?
may she have harpooned?
may we have harpooned?
may you have harpooned?
may they have harpooned? 	may I have been harpooning?
may you have been harpooning?
may she have been harpooning?
may we have been harpooning?
may you have been harpooning?
may they have been harpooning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I harpoon?
mayn't you harpoon?
mayn't she harpoon?
mayn't we harpoon?
mayn't you harpoon?
mayn't they harpoon? 	mayn't I be harpooning?
mayn't you be harpooning?
mayn't she be harpooning?
mayn't we be harpooning?
mayn't you be harpooning?
mayn't they be harpooning? 	mayn't I have harpooned?
mayn't you have harpooned?
mayn't she have harpooned?
mayn't we have harpooned?
mayn't you have harpooned?
mayn't they have harpooned? 	mayn't I have been harpooning?
mayn't you have been harpooning?
mayn't she have been harpooning?
mayn't we have been harpooning?
mayn't you have been harpooning?
mayn't they have been harpooning?