English verb conjugation
SHOULD NIP

Regular verb: nip - nipped - nipped

Affirmation

Simple form	V-ing form
I'd nip you'd nip she'd nip we'd nip you'd nip they'd nip	I'd be nipping you'd be nipping she'd be nipping we'd be nipping you'd be nipping they'd be nipping
Perfect	V-ing perfect
I should've nipped you should've nipped she should've nipped we should've nipped you should've nipped they should've nipped	I should've been nipping you should've been nipping she should've been nipping we should've been nipping you should've been nipping they should've been nipping

Negation

Simple form	V-ing form
I shouldn't nip you shouldn't nip she shouldn't nip we shouldn't nip you shouldn't nip they shouldn't nip	I shouldn't be nipping you shouldn't be nipping she shouldn't be nipping we shouldn't be nipping you shouldn't be nipping they shouldn't be nipping
Perfect	V-ing perfect
I shouldn't have nipped you shouldn't have nipped she shouldn't have nipped we shouldn't have nipped you shouldn't have nipped they shouldn't have nipped	I shouldn't have been nipping you shouldn't have been nipping she shouldn't have been nipping we shouldn't have been nipping you shouldn't have been nipping they shouldn't have been nipping

Interrogative form

Simple form	V-ing form
should I nip? should you nip? should she nip? should we nip? should you nip? should they nip?	should I be nipping? should you be nipping? should she be nipping? should we be nipping? should you be nipping? should they be nipping?
Perfect	V-ing perfect
should I have nipped? should you have nipped? should she have nipped? should we have nipped? should you have nipped? should they have nipped?	should I have been nipping? should you have been nipping? should she have been nipping? should we have been nipping? should you have been nipping? should they have been nipping?

Interro-negative form

Simple form	V-ing form
shouldn't I nip? shouldn't you nip? shouldn't she nip? shouldn't we nip? shouldn't you nip? shouldn't they nip?	shouldn't I be nipping? shouldn't you be nipping? shouldn't she be nipping? shouldn't we be nipping? shouldn't you be nipping? shouldn't they be nipping?
Perfect	V-ing perfect
shouldn't I have nipped? shouldn't you have nipped? shouldn't she have nipped? shouldn't we have nipped? shouldn't you have nipped? shouldn't they have nipped?	shouldn't I have been nipping? shouldn't you have been nipping? shouldn't she have been nipping? shouldn't we have been nipping? shouldn't you have been nipping? shouldn't they have been nipping?