English verb conjugation
SHOULD NAIL

Regular verb: nail - nailed - nailed

Affirmation

Simple form	V-ing form
I should nail you should nail she should nail we should nail you should nail they should nail	I should be nailing you should be nailing she should be nailing we should be nailing you should be nailing they should be nailing
Perfect	V-ing perfect
I should have nailed you should have nailed she should have nailed we should have nailed you should have nailed they should have nailed	I should have been nailing you should have been nailing she should have been nailing we should have been nailing you should have been nailing they should have been nailing

Negation

Simple form	V-ing form
I should not nail you should not nail she should not nail we should not nail you should not nail they should not nail	I should not be nailing you should not be nailing she should not be nailing we should not be nailing you should not be nailing they should not be nailing
Perfect	V-ing perfect
I should not have nailed you should not have nailed she should not have nailed we should not have nailed you should not have nailed they should not have nailed	I should not have been nailing you should not have been nailing she should not have been nailing we should not have been nailing you should not have been nailing they should not have been nailing

Interrogative form

Simple form	V-ing form
should I nail? should you nail? should she nail? should we nail? should you nail? should they nail?	should I be nailing? should you be nailing? should she be nailing? should we be nailing? should you be nailing? should they be nailing?
Perfect	V-ing perfect
should I have nailed? should you have nailed? should she have nailed? should we have nailed? should you have nailed? should they have nailed?	should I have been nailing? should you have been nailing? should she have been nailing? should we have been nailing? should you have been nailing? should they have been nailing?

Interro-negative form

Simple form	V-ing form
should I not nail? should you not nail? should she not nail? should we not nail? should you not nail? should they not nail?	should I not be nailing? should you not be nailing? should she not be nailing? should we not be nailing? should you not be nailing? should they not be nailing?
Perfect	V-ing perfect
should I not have nailed? should you not have nailed? should she not have nailed? should we not have nailed? should you not have nailed? should they not have nailed?	should I not have been nailing? should you not have been nailing? should she not have been nailing? should we not have been nailing? should you not have been nailing? should they not have been nailing?