I should mat you should mat he should mat we should mat you should mat they should mat
V-ing form
I should be matting you should be matting he should be matting we should be matting you should be matting they should be matting
Perfect
I should have matted you should have matted he should have matted we should have matted you should have matted they should have matted
V-ing perfect
I should have been matting you should have been matting he should have been matting we should have been matting you should have been matting they should have been matting
Negation
Simple form
I should not mat you should not mat he should not mat we should not mat you should not mat they should not mat
V-ing form
I should not be matting you should not be matting he should not be matting we should not be matting you should not be matting they should not be matting
Perfect
I should not have matted you should not have matted he should not have matted we should not have matted you should not have matted they should not have matted
V-ing perfect
I should not have been matting you should not have been matting he should not have been matting we should not have been matting you should not have been matting they should not have been matting
Interrogative form
Simple form
should I mat? should you mat? should he mat? should we mat? should you mat? should they mat?
V-ing form
should I be matting? should you be matting? should he be matting? should we be matting? should you be matting? should they be matting?
Perfect
should I have matted? should you have matted? should he have matted? should we have matted? should you have matted? should they have matted?
V-ing perfect
should I have been matting? should you have been matting? should he have been matting? should we have been matting? should you have been matting? should they have been matting?
Interro-negative form
Simple form
should I not mat? should you not mat? should he not mat? should we not mat? should you not mat? should they not mat?
V-ing form
should I not be matting? should you not be matting? should he not be matting? should we not be matting? should you not be matting? should they not be matting?
Perfect
should I not have matted? should you not have matted? should he not have matted? should we not have matted? should you not have matted? should they not have matted?
V-ing perfect
should I not have been matting? should you not have been matting? should he not have been matting? should we not have been matting? should you not have been matting? should they not have been matting?