should grease
Regular verb: grease - greased- greased

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd grease
you'd grease
he'd grease
we'd grease
you'd grease
they'd grease 	I'd be greasing
you'd be greasing
he'd be greasing
we'd be greasing
you'd be greasing
they'd be greasing	I should've greased
you should've greased
he should've greased
we should've greased
you should've greased
they should've greased	I should've been greasing
you should've been greasing
he should've been greasing
we should've been greasing
you should've been greasing
they should've been greasing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't grease
you shouldn't grease
he shouldn't grease
we shouldn't grease
you shouldn't grease
they shouldn't grease 	I shouldn't be greasing
you shouldn't be greasing
he shouldn't be greasing
we shouldn't be greasing
you shouldn't be greasing
they shouldn't be greasing	I shouldn't have greased
you shouldn't have greased
he shouldn't have greased
we shouldn't have greased
you shouldn't have greased
they shouldn't have greased	I shouldn't have been greasing
you shouldn't have been greasing
he shouldn't have been greasing
we shouldn't have been greasing
you shouldn't have been greasing
they shouldn't have been greasing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I grease?
should you grease?
should he grease?
should we grease?
should you grease?
should they grease? 	should I be greasing?
should you be greasing?
should he be greasing?
should we be greasing?
should you be greasing?
should they be greasing? 	should I have greased?
should you have greased?
should he have greased?
should we have greased?
should you have greased?
should they have greased? 	should I have been greasing?
should you have been greasing?
should he have been greasing?
should we have been greasing?
should you have been greasing?
should they have been greasing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I grease?
shouldn't you grease?
shouldn't he grease?
shouldn't we grease?
shouldn't you grease?
shouldn't they grease? 	shouldn't I be greasing?
shouldn't you be greasing?
shouldn't he be greasing?
shouldn't we be greasing?
shouldn't you be greasing?
shouldn't they be greasing? 	shouldn't I have greased?
shouldn't you have greased?
shouldn't he have greased?
shouldn't we have greased?
shouldn't you have greased?
shouldn't they have greased? 	shouldn't I have been greasing?
shouldn't you have been greasing?
shouldn't he have been greasing?
shouldn't we have been greasing?
shouldn't you have been greasing?
shouldn't they have been greasing?