could matte
Regular verb: matte - matted- matted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could matte
you could matte
she could matte
we could matte
you could matte
they could matte 	I could be matting
you could be matting
she could be matting
we could be matting
you could be matting
they could be matting	I could have matted
you could have matted
she could have matted
we could have matted
you could have matted
they could have matted	I could have been matting
you could have been matting
she could have been matting
we could have been matting
you could have been matting
they could have been matting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not matte
you could not matte
she could not matte
we could not matte
you could not matte
they could not matte 	I could not be matting
you could not be matting
she could not be matting
we could not be matting
you could not be matting
they could not be matting	I could not have matted
you could not have matted
she could not have matted
we could not have matted
you could not have matted
they could not have matted	I could not have been matting
you could not have been matting
she could not have been matting
we could not have been matting
you could not have been matting
they could not have been matting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I matte?
could you matte?
could she matte?
could we matte?
could you matte?
could they matte? 	could I be matting?
could you be matting?
could she be matting?
could we be matting?
could you be matting?
could they be matting? 	could I have matted?
could you have matted?
could she have matted?
could we have matted?
could you have matted?
could they have matted? 	could I have been matting?
could you have been matting?
could she have been matting?
could we have been matting?
could you have been matting?
could they have been matting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not matte?
could you not matte?
could she not matte?
could we not matte?
could you not matte?
could they not matte? 	could I not be matting?
could you not be matting?
could she not be matting?
could we not be matting?
could you not be matting?
could they not be matting? 	could I not have matted?
could you not have matted?
could she not have matted?
could we not have matted?
could you not have matted?
could they not have matted? 	could I not have been matting?
could you not have been matting?
could she not have been matting?
could we not have been matting?
could you not have been matting?
could they not have been matting?