English verb conjugation
SHOULD NAG

Regular verb: nag - nagged - nagged

Affirmation

Simple form	V-ing form
I should nag you should nag he should nag we should nag you should nag they should nag	I should be nagging you should be nagging he should be nagging we should be nagging you should be nagging they should be nagging
Perfect	V-ing perfect
I should have nagged you should have nagged he should have nagged we should have nagged you should have nagged they should have nagged	I should have been nagging you should have been nagging he should have been nagging we should have been nagging you should have been nagging they should have been nagging

Negation

Simple form	V-ing form
I should not nag you should not nag he should not nag we should not nag you should not nag they should not nag	I should not be nagging you should not be nagging he should not be nagging we should not be nagging you should not be nagging they should not be nagging
Perfect	V-ing perfect
I should not have nagged you should not have nagged he should not have nagged we should not have nagged you should not have nagged they should not have nagged	I should not have been nagging you should not have been nagging he should not have been nagging we should not have been nagging you should not have been nagging they should not have been nagging

Interrogative form

Simple form	V-ing form
should I nag? should you nag? should he nag? should we nag? should you nag? should they nag?	should I be nagging? should you be nagging? should he be nagging? should we be nagging? should you be nagging? should they be nagging?
Perfect	V-ing perfect
should I have nagged? should you have nagged? should he have nagged? should we have nagged? should you have nagged? should they have nagged?	should I have been nagging? should you have been nagging? should he have been nagging? should we have been nagging? should you have been nagging? should they have been nagging?

Interro-negative form

Simple form	V-ing form
should I not nag? should you not nag? should he not nag? should we not nag? should you not nag? should they not nag?	should I not be nagging? should you not be nagging? should he not be nagging? should we not be nagging? should you not be nagging? should they not be nagging?
Perfect	V-ing perfect
should I not have nagged? should you not have nagged? should he not have nagged? should we not have nagged? should you not have nagged? should they not have nagged?	should I not have been nagging? should you not have been nagging? should he not have been nagging? should we not have been nagging? should you not have been nagging? should they not have been nagging?