should luff
Regular verb: luff - luffed- luffed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should luff
you should luff
he should luff
we should luff
you should luff
they should luff 	I should be luffing
you should be luffing
he should be luffing
we should be luffing
you should be luffing
they should be luffing	I should have luffed
you should have luffed
he should have luffed
we should have luffed
you should have luffed
they should have luffed	I should have been luffing
you should have been luffing
he should have been luffing
we should have been luffing
you should have been luffing
they should have been luffing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not luff
you should not luff
he should not luff
we should not luff
you should not luff
they should not luff 	I should not be luffing
you should not be luffing
he should not be luffing
we should not be luffing
you should not be luffing
they should not be luffing	I should not have luffed
you should not have luffed
he should not have luffed
we should not have luffed
you should not have luffed
they should not have luffed	I should not have been luffing
you should not have been luffing
he should not have been luffing
we should not have been luffing
you should not have been luffing
they should not have been luffing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I luff?
should you luff?
should he luff?
should we luff?
should you luff?
should they luff? 	should I be luffing?
should you be luffing?
should he be luffing?
should we be luffing?
should you be luffing?
should they be luffing? 	should I have luffed?
should you have luffed?
should he have luffed?
should we have luffed?
should you have luffed?
should they have luffed? 	should I have been luffing?
should you have been luffing?
should he have been luffing?
should we have been luffing?
should you have been luffing?
should they have been luffing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not luff?
should you not luff?
should he not luff?
should we not luff?
should you not luff?
should they not luff? 	should I not be luffing?
should you not be luffing?
should he not be luffing?
should we not be luffing?
should you not be luffing?
should they not be luffing? 	should I not have luffed?
should you not have luffed?
should he not have luffed?
should we not have luffed?
should you not have luffed?
should they not have luffed? 	should I not have been luffing?
should you not have been luffing?
should he not have been luffing?
should we not have been luffing?
should you not have been luffing?
should they not have been luffing?