should fishtail
Regular verb: fishtail - fishtailed- fishtailed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd fishtail
you'd fishtail
she'd fishtail
we'd fishtail
you'd fishtail
they'd fishtail 	I'd be fishtailing
you'd be fishtailing
she'd be fishtailing
we'd be fishtailing
you'd be fishtailing
they'd be fishtailing	I should've fishtailed
you should've fishtailed
she should've fishtailed
we should've fishtailed
you should've fishtailed
they should've fishtailed	I should've been fishtailing
you should've been fishtailing
she should've been fishtailing
we should've been fishtailing
you should've been fishtailing
they should've been fishtailing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't fishtail
you shouldn't fishtail
she shouldn't fishtail
we shouldn't fishtail
you shouldn't fishtail
they shouldn't fishtail 	I shouldn't be fishtailing
you shouldn't be fishtailing
she shouldn't be fishtailing
we shouldn't be fishtailing
you shouldn't be fishtailing
they shouldn't be fishtailing	I shouldn't have fishtailed
you shouldn't have fishtailed
she shouldn't have fishtailed
we shouldn't have fishtailed
you shouldn't have fishtailed
they shouldn't have fishtailed	I shouldn't have been fishtailing
you shouldn't have been fishtailing
she shouldn't have been fishtailing
we shouldn't have been fishtailing
you shouldn't have been fishtailing
they shouldn't have been fishtailing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I fishtail?
should you fishtail?
should she fishtail?
should we fishtail?
should you fishtail?
should they fishtail? 	should I be fishtailing?
should you be fishtailing?
should she be fishtailing?
should we be fishtailing?
should you be fishtailing?
should they be fishtailing? 	should I have fishtailed?
should you have fishtailed?
should she have fishtailed?
should we have fishtailed?
should you have fishtailed?
should they have fishtailed? 	should I have been fishtailing?
should you have been fishtailing?
should she have been fishtailing?
should we have been fishtailing?
should you have been fishtailing?
should they have been fishtailing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I fishtail?
shouldn't you fishtail?
shouldn't she fishtail?
shouldn't we fishtail?
shouldn't you fishtail?
shouldn't they fishtail? 	shouldn't I be fishtailing?
shouldn't you be fishtailing?
shouldn't she be fishtailing?
shouldn't we be fishtailing?
shouldn't you be fishtailing?
shouldn't they be fishtailing? 	shouldn't I have fishtailed?
shouldn't you have fishtailed?
shouldn't she have fishtailed?
shouldn't we have fishtailed?
shouldn't you have fishtailed?
shouldn't they have fishtailed? 	shouldn't I have been fishtailing?
shouldn't you have been fishtailing?
shouldn't she have been fishtailing?
shouldn't we have been fishtailing?
shouldn't you have been fishtailing?
shouldn't they have been fishtailing?