English verb conjugation
SHOULD LAG

Regular verb: lag - lagged - lagged

Affirmation

Simple form	V-ing form
I should lag you should lag he should lag we should lag you should lag they should lag	I should be lagging you should be lagging he should be lagging we should be lagging you should be lagging they should be lagging
Perfect	V-ing perfect
I should have lagged you should have lagged he should have lagged we should have lagged you should have lagged they should have lagged	I should have been lagging you should have been lagging he should have been lagging we should have been lagging you should have been lagging they should have been lagging

Negation

Simple form	V-ing form
I should not lag you should not lag he should not lag we should not lag you should not lag they should not lag	I should not be lagging you should not be lagging he should not be lagging we should not be lagging you should not be lagging they should not be lagging
Perfect	V-ing perfect
I should not have lagged you should not have lagged he should not have lagged we should not have lagged you should not have lagged they should not have lagged	I should not have been lagging you should not have been lagging he should not have been lagging we should not have been lagging you should not have been lagging they should not have been lagging

Interrogative form

Simple form	V-ing form
should I lag? should you lag? should he lag? should we lag? should you lag? should they lag?	should I be lagging? should you be lagging? should he be lagging? should we be lagging? should you be lagging? should they be lagging?
Perfect	V-ing perfect
should I have lagged? should you have lagged? should he have lagged? should we have lagged? should you have lagged? should they have lagged?	should I have been lagging? should you have been lagging? should he have been lagging? should we have been lagging? should you have been lagging? should they have been lagging?

Interro-negative form

Simple form	V-ing form
should I not lag? should you not lag? should he not lag? should we not lag? should you not lag? should they not lag?	should I not be lagging? should you not be lagging? should he not be lagging? should we not be lagging? should you not be lagging? should they not be lagging?
Perfect	V-ing perfect
should I not have lagged? should you not have lagged? should he not have lagged? should we not have lagged? should you not have lagged? should they not have lagged?	should I not have been lagging? should you not have been lagging? should he not have been lagging? should we not have been lagging? should you not have been lagging? should they not have been lagging?