English verb conjugation
SHOULD NAG

Regular verb: nag - nagged - nagged

Affirmation

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

Negation

Simple form	V-ing form
I shouldn't nag you shouldn't nag he shouldn't nag we shouldn't nag you shouldn't nag they shouldn't nag	I shouldn't be nagging you shouldn't be nagging he shouldn't be nagging we shouldn't be nagging you shouldn't be nagging they shouldn't be nagging
Perfect	V-ing perfect
I shouldn't have nagged you shouldn't have nagged he shouldn't have nagged we shouldn't have nagged you shouldn't have nagged they shouldn't have nagged	I shouldn't have been nagging you shouldn't have been nagging he shouldn't have been nagging we shouldn't have been nagging you shouldn't have been nagging they shouldn't 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
shouldn't I nag? shouldn't you nag? shouldn't he nag? shouldn't we nag? shouldn't you nag? shouldn't they nag?	shouldn't I be nagging? shouldn't you be nagging? shouldn't he be nagging? shouldn't we be nagging? shouldn't you be nagging? shouldn't they be nagging?
Perfect	V-ing perfect
shouldn't I have nagged? shouldn't you have nagged? shouldn't he have nagged? shouldn't we have nagged? shouldn't you have nagged? shouldn't they have nagged?	shouldn't I have been nagging? shouldn't you have been nagging? shouldn't he have been nagging? shouldn't we have been nagging? shouldn't you have been nagging? shouldn't they have been nagging?