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
she 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
she 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
she 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
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 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to mat
you oughtn't to mat
she 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
she 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
she 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
she 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 she 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 she 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 she 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 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 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to mat?
oughtn't you to mat?
oughtn't she 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 she 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 she 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 she 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?