should nicker
Regular verb: nicker - nickered- nickered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd nicker
you'd nicker
she'd nicker
we'd nicker
you'd nicker
they'd nicker 	I'd be nickering
you'd be nickering
she'd be nickering
we'd be nickering
you'd be nickering
they'd be nickering	I should've nickered
you should've nickered
she 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
she 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 	Perfect 	V-ing perfect 	
I shouldn't nicker
you shouldn't nicker
she 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
she shouldn't be nickering
we shouldn't be nickering
you shouldn't be nickering
they shouldn't be nickering	I shouldn't have nickered
you shouldn't have nickered
she 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
she 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 	Perfect 	V-ing perfect 	
should I nicker?
should you nicker?
should she nicker?
should we nicker?
should you nicker?
should they nicker? 	should I be nickering?
should you be nickering?
should she be nickering?
should we be nickering?
should you be nickering?
should they be nickering? 	should I have nickered?
should you have nickered?
should she 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 she 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 	Perfect 	V-ing perfect 	
shouldn't I nicker?
shouldn't you nicker?
shouldn't she 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 she be nickering?
shouldn't we be nickering?
shouldn't you be nickering?
shouldn't they be nickering? 	shouldn't I have nickered?
shouldn't you have nickered?
shouldn't she 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 she have been nickering?
shouldn't we have been nickering?
shouldn't you have been nickering?
shouldn't they have been nickering?