could kart
Regular verb: kart - karted- karted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could kart
you could kart
she could kart
we could kart
you could kart
they could kart 	I could be karting
you could be karting
she could be karting
we could be karting
you could be karting
they could be karting	I could have karted
you could have karted
she could have karted
we could have karted
you could have karted
they could have karted	I could have been karting
you could have been karting
she could have been karting
we could have been karting
you could have been karting
they could have been karting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't kart
you couldn't kart
she couldn't kart
we couldn't kart
you couldn't kart
they couldn't kart 	I couldn't be karting
you couldn't be karting
she couldn't be karting
we couldn't be karting
you couldn't be karting
they couldn't be karting	I couldn't have karted
you couldn't have karted
she couldn't have karted
we couldn't have karted
you couldn't have karted
they couldn't have karted	I couldn't have been karting
you couldn't have been karting
she couldn't have been karting
we couldn't have been karting
you couldn't have been karting
they couldn't have been karting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I kart?
could you kart?
could she kart?
could we kart?
could you kart?
could they kart? 	could I be karting?
could you be karting?
could she be karting?
could we be karting?
could you be karting?
could they be karting? 	could I have karted?
could you have karted?
could she have karted?
could we have karted?
could you have karted?
could they have karted? 	could I have been karting?
could you have been karting?
could she have been karting?
could we have been karting?
could you have been karting?
could they have been karting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I kart?
couldn't you kart?
couldn't she kart?
couldn't we kart?
couldn't you kart?
couldn't they kart? 	couldn't I be karting?
couldn't you be karting?
couldn't she be karting?
couldn't we be karting?
couldn't you be karting?
couldn't they be karting? 	couldn't I have karted?
couldn't you have karted?
couldn't she have karted?
couldn't we have karted?
couldn't you have karted?
couldn't they have karted? 	couldn't I have been karting?
couldn't you have been karting?
couldn't she have been karting?
couldn't we have been karting?
couldn't you have been karting?
couldn't they have been karting?