English verb conjugation
SHOULD NIGH

Regular verb: nigh - nighed - nighed

Affirmation

Simple form	V-ing form
I'd nigh you'd nigh he'd nigh we'd nigh you'd nigh they'd nigh	I'd be nighing you'd be nighing he'd be nighing we'd be nighing you'd be nighing they'd be nighing
Perfect	V-ing perfect
I should've nighed you should've nighed he should've nighed we should've nighed you should've nighed they should've nighed	I should've been nighing you should've been nighing he should've been nighing we should've been nighing you should've been nighing they should've been nighing

Negation

Simple form	V-ing form
I shouldn't nigh you shouldn't nigh he shouldn't nigh we shouldn't nigh you shouldn't nigh they shouldn't nigh	I shouldn't be nighing you shouldn't be nighing he shouldn't be nighing we shouldn't be nighing you shouldn't be nighing they shouldn't be nighing
Perfect	V-ing perfect
I shouldn't have nighed you shouldn't have nighed he shouldn't have nighed we shouldn't have nighed you shouldn't have nighed they shouldn't have nighed	I shouldn't have been nighing you shouldn't have been nighing he shouldn't have been nighing we shouldn't have been nighing you shouldn't have been nighing they shouldn't have been nighing

Interrogative form

Simple form	V-ing form
should I nigh? should you nigh? should he nigh? should we nigh? should you nigh? should they nigh?	should I be nighing? should you be nighing? should he be nighing? should we be nighing? should you be nighing? should they be nighing?
Perfect	V-ing perfect
should I have nighed? should you have nighed? should he have nighed? should we have nighed? should you have nighed? should they have nighed?	should I have been nighing? should you have been nighing? should he have been nighing? should we have been nighing? should you have been nighing? should they have been nighing?

Interro-negative form

Simple form	V-ing form
shouldn't I nigh? shouldn't you nigh? shouldn't he nigh? shouldn't we nigh? shouldn't you nigh? shouldn't they nigh?	shouldn't I be nighing? shouldn't you be nighing? shouldn't he be nighing? shouldn't we be nighing? shouldn't you be nighing? shouldn't they be nighing?
Perfect	V-ing perfect
shouldn't I have nighed? shouldn't you have nighed? shouldn't he have nighed? shouldn't we have nighed? shouldn't you have nighed? shouldn't they have nighed?	shouldn't I have been nighing? shouldn't you have been nighing? shouldn't he have been nighing? shouldn't we have been nighing? shouldn't you have been nighing? shouldn't they have been nighing?