may green
Regular verb: green - greened- greened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may green
you may green
she may green
we may green
you may green
they may green 	I may be greening
you may be greening
she may be greening
we may be greening
you may be greening
they may be greening	I may have greened
you may have greened
she may have greened
we may have greened
you may have greened
they may have greened	I may have been greening
you may have been greening
she may have been greening
we may have been greening
you may have been greening
they may have been greening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not green
you may not green
she may not green
we may not green
you may not green
they may not green 	I may not be greening
you may not be greening
she may not be greening
we may not be greening
you may not be greening
they may not be greening	I may not have greened
you may not have greened
she may not have greened
we may not have greened
you may not have greened
they may not have greened	I may not have been greening
you may not have been greening
she may not have been greening
we may not have been greening
you may not have been greening
they may not have been greening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I green?
may you green?
may she green?
may we green?
may you green?
may they green? 	may I be greening?
may you be greening?
may she be greening?
may we be greening?
may you be greening?
may they be greening? 	may I have greened?
may you have greened?
may she have greened?
may we have greened?
may you have greened?
may they have greened? 	may I have been greening?
may you have been greening?
may she have been greening?
may we have been greening?
may you have been greening?
may they have been greening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not green?
may you not green?
may she not green?
may we not green?
may you not green?
may they not green? 	may I not be greening?
may you not be greening?
may she not be greening?
may we not be greening?
may you not be greening?
may they not be greening? 	may I not have greened?
may you not have greened?
may she not have greened?
may we not have greened?
may you not have greened?
may they not have greened? 	may I not have been greening?
may you not have been greening?
may she not have been greening?
may we not have been greening?
may you not have been greening?
may they not have been greening?