English verb conjugation
SHOULD FISHTAIL

Regular verb: fishtail - fishtailed - fishtailed

Affirmation

Simple form	V-ing form
I'd fishtail you'd fishtail he'd fishtail we'd fishtail you'd fishtail they'd fishtail	I'd be fishtailing you'd be fishtailing he'd be fishtailing we'd be fishtailing you'd be fishtailing they'd be fishtailing
Perfect	V-ing perfect
I should've fishtailed you should've fishtailed he 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 he 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
I shouldn't fishtail you shouldn't fishtail he 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 he shouldn't be fishtailing we shouldn't be fishtailing you shouldn't be fishtailing they shouldn't be fishtailing
Perfect	V-ing perfect
I shouldn't have fishtailed you shouldn't have fishtailed he 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 he 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
should I fishtail? should you fishtail? should he fishtail? should we fishtail? should you fishtail? should they fishtail?	should I be fishtailing? should you be fishtailing? should he be fishtailing? should we be fishtailing? should you be fishtailing? should they be fishtailing?
Perfect	V-ing perfect
should I have fishtailed? should you have fishtailed? should he 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 he 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
shouldn't I fishtail? shouldn't you fishtail? shouldn't he 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 he be fishtailing? shouldn't we be fishtailing? shouldn't you be fishtailing? shouldn't they be fishtailing?
Perfect	V-ing perfect
shouldn't I have fishtailed? shouldn't you have fishtailed? shouldn't he 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 he have been fishtailing? shouldn't we have been fishtailing? shouldn't you have been fishtailing? shouldn't they have been fishtailing?