ought to mat
Regular verb: mat - matted- matted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to mat
you ought to mat
he ought to mat
we ought to mat
you ought to mat
they ought to mat 	I ought to be matting
you ought to be matting
he ought to be matting
we ought to be matting
you ought to be matting
they ought to be matting	I ought to have matted
you ought to have matted
he ought to have matted
we ought to have matted
you ought to have matted
they ought to have matted	I ought to have been matting
you ought to have been matting
he 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 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to mat
you oughtn't to mat
he oughtn't to mat
we oughtn't to mat
you oughtn't to mat
they oughtn't to mat 	I oughtn't to be matting
you oughtn't to be matting
he oughtn't to be matting
we oughtn't to be matting
you oughtn't to be matting
they oughtn't to be matting	I oughtn't to have matted
you oughtn't to have matted
he oughtn't to have matted
we oughtn't to have matted
you oughtn't to have matted
they oughtn't to have matted	I oughtn't to have been matting
you oughtn't to have been matting
he oughtn't to have been matting
we oughtn't to have been matting
you oughtn't to have been matting
they oughtn't to have been matting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I mat?
ought to you mat?
ought to he mat?
ought to we mat?
ought to you mat?
ought to they mat? 	ought to I be matting?
ought to you be matting?
ought to he be matting?
ought to we be matting?
ought to you be matting?
ought to they be matting? 	ought to I have matted?
ought to you have matted?
ought to he have matted?
ought to we have matted?
ought to you have matted?
ought to they have matted? 	ought to I have been matting?
ought to you have been matting?
ought to he 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 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to mat?
oughtn't you to mat?
oughtn't he to mat?
oughtn't we to mat?
oughtn't you to mat?
oughtn't they to mat? 	oughtn't I to be matting?
oughtn't you to be matting?
oughtn't he to be matting?
oughtn't we to be matting?
oughtn't you to be matting?
oughtn't they to be matting? 	oughtn't I to have matted?
oughtn't you to have matted?
oughtn't he to have matted?
oughtn't we to have matted?
oughtn't you to have matted?
oughtn't they to have matted? 	oughtn't I to have been matting?
oughtn't you to have been matting?
oughtn't he to have been matting?
oughtn't we to have been matting?
oughtn't you to have been matting?
oughtn't they to have been matting?