English verb conjugation
SHOULD FISHTAIL

Regular verb: fishtail - fishtailed - fishtailed

Affirmation

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

Negation

Simple form	V-ing form
I should not fishtail you should not fishtail she should not fishtail we should not fishtail you should not fishtail they should not fishtail	I should not be fishtailing you should not be fishtailing she should not be fishtailing we should not be fishtailing you should not be fishtailing they should not be fishtailing
Perfect	V-ing perfect
I should not have fishtailed you should not have fishtailed she should not have fishtailed we should not have fishtailed you should not have fishtailed they should not have fishtailed	I should not have been fishtailing you should not have been fishtailing she should not have been fishtailing we should not have been fishtailing you should not have been fishtailing they should not have been fishtailing

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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
should I not fishtail? should you not fishtail? should she not fishtail? should we not fishtail? should you not fishtail? should they not fishtail?	should I not be fishtailing? should you not be fishtailing? should she not be fishtailing? should we not be fishtailing? should you not be fishtailing? should they not be fishtailing?
Perfect	V-ing perfect
should I not have fishtailed? should you not have fishtailed? should she not have fishtailed? should we not have fishtailed? should you not have fishtailed? should they not have fishtailed?	should I not have been fishtailing? should you not have been fishtailing? should she not have been fishtailing? should we not have been fishtailing? should you not have been fishtailing? should they not have been fishtailing?