English verb conjugation
SHOULD NICKER

Regular verb: nicker - nickered - nickered

Affirmation

Simple form	V-ing form
I'd nicker you'd nicker he'd nicker we'd nicker you'd nicker they'd nicker	I'd be nickering you'd be nickering he'd be nickering we'd be nickering you'd be nickering they'd be nickering
Perfect	V-ing perfect
I should've nickered you should've nickered he should've nickered we should've nickered you should've nickered they should've nickered	I should've been nickering you should've been nickering he should've been nickering we should've been nickering you should've been nickering they should've been nickering

Negation

Simple form	V-ing form
I shouldn't nicker you shouldn't nicker he shouldn't nicker we shouldn't nicker you shouldn't nicker they shouldn't nicker	I shouldn't be nickering you shouldn't be nickering he shouldn't be nickering we shouldn't be nickering you shouldn't be nickering they shouldn't be nickering
Perfect	V-ing perfect
I shouldn't have nickered you shouldn't have nickered he shouldn't have nickered we shouldn't have nickered you shouldn't have nickered they shouldn't have nickered	I shouldn't have been nickering you shouldn't have been nickering he shouldn't have been nickering we shouldn't have been nickering you shouldn't have been nickering they shouldn't have been nickering

Interrogative form

Simple form	V-ing form
should I nicker? should you nicker? should he nicker? should we nicker? should you nicker? should they nicker?	should I be nickering? should you be nickering? should he be nickering? should we be nickering? should you be nickering? should they be nickering?
Perfect	V-ing perfect
should I have nickered? should you have nickered? should he have nickered? should we have nickered? should you have nickered? should they have nickered?	should I have been nickering? should you have been nickering? should he have been nickering? should we have been nickering? should you have been nickering? should they have been nickering?

Interro-negative form

Simple form	V-ing form
shouldn't I nicker? shouldn't you nicker? shouldn't he nicker? shouldn't we nicker? shouldn't you nicker? shouldn't they nicker?	shouldn't I be nickering? shouldn't you be nickering? shouldn't he be nickering? shouldn't we be nickering? shouldn't you be nickering? shouldn't they be nickering?
Perfect	V-ing perfect
shouldn't I have nickered? shouldn't you have nickered? shouldn't he have nickered? shouldn't we have nickered? shouldn't you have nickered? shouldn't they have nickered?	shouldn't I have been nickering? shouldn't you have been nickering? shouldn't he have been nickering? shouldn't we have been nickering? shouldn't you have been nickering? shouldn't they have been nickering?