should green
Regular verb: green - greened- greened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd green
you'd green
he'd green
we'd green
you'd green
they'd green 	I'd be greening
you'd be greening
he'd be greening
we'd be greening
you'd be greening
they'd be greening	I should've greened
you should've greened
he should've greened
we should've greened
you should've greened
they should've greened	I should've been greening
you should've been greening
he should've been greening
we should've been greening
you should've been greening
they should've been greening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't green
you shouldn't green
he shouldn't green
we shouldn't green
you shouldn't green
they shouldn't green 	I shouldn't be greening
you shouldn't be greening
he shouldn't be greening
we shouldn't be greening
you shouldn't be greening
they shouldn't be greening	I shouldn't have greened
you shouldn't have greened
he shouldn't have greened
we shouldn't have greened
you shouldn't have greened
they shouldn't have greened	I shouldn't have been greening
you shouldn't have been greening
he shouldn't have been greening
we shouldn't have been greening
you shouldn't have been greening
they shouldn't have been greening	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I green?
shouldn't you green?
shouldn't he green?
shouldn't we green?
shouldn't you green?
shouldn't they green? 	shouldn't I be greening?
shouldn't you be greening?
shouldn't he be greening?
shouldn't we be greening?
shouldn't you be greening?
shouldn't they be greening? 	shouldn't I have greened?
shouldn't you have greened?
shouldn't he have greened?
shouldn't we have greened?
shouldn't you have greened?
shouldn't they have greened? 	shouldn't I have been greening?
shouldn't you have been greening?
shouldn't he have been greening?
shouldn't we have been greening?
shouldn't you have been greening?
shouldn't they have been greening?