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