English verb conjugation
SHOULD LUFF

Regular verb: luff - luffed - luffed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?