English verb conjugation
MUST KART

Regular verb: kart - karted - karted

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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