I can kart you can kart he can kart we can kart you can kart they can kart
V-ing form
I can be karting you can be karting he can be karting we can be karting you can be karting they can be karting
Perfect
I can have karted you can have karted he can have karted we can have karted you can have karted they can have karted
V-ing perfect
I can have been karting you can have been karting he can have been karting we can have been karting you can have been karting they can have been karting
Negation
Simple form
I cannot kart you cannot kart he cannot kart we cannot kart you cannot kart they cannot kart
V-ing form
I cannot be karting you cannot be karting he cannot be karting we cannot be karting you cannot be karting they cannot be karting
Perfect
I cannot have karted you cannot have karted he cannot have karted we cannot have karted you cannot have karted they cannot have karted
V-ing perfect
I cannot have been karting you cannot have been karting he cannot have been karting we cannot have been karting you cannot have been karting they cannot have been karting
Interrogative form
Simple form
can I kart? can you kart? can he kart? can we kart? can you kart? can they kart?
V-ing form
can I be karting? can you be karting? can he be karting? can we be karting? can you be karting? can they be karting?
Perfect
can I have karted? can you have karted? can he have karted? can we have karted? can you have karted? can they have karted?
V-ing perfect
can I have been karting? can you have been karting? can he have been karting? can we have been karting? can you have been karting? can they have been karting?
Interro-negative form
Simple form
can I not kart? can you not kart? can he not kart? can we not kart? can you not kart? can they not kart?
V-ing form
can I not be karting? can you not be karting? can he not be karting? can we not be karting? can you not be karting? can they not be karting?
Perfect
can I not have karted? can you not have karted? can he not have karted? can we not have karted? can you not have karted? can they not have karted?
V-ing perfect
can I not have been karting? can you not have been karting? can he not have been karting? can we not have been karting? can you not have been karting? can they not have been karting?