English verb conjugation
MUST CARD

Regular verb: card - carded - carded

Affirmation

Simple form	V-ing form
I must card you must card he must card we must card you must card they must card	I must be carding you must be carding he must be carding we must be carding you must be carding they must be carding
Perfect	V-ing perfect
I must have carded you must have carded he must have carded we must have carded you must have carded they must have carded	I must have been carding you must have been carding he must have been carding we must have been carding you must have been carding they must have been carding

Negation

Simple form	V-ing form
I mustn't card you mustn't card he mustn't card we mustn't card you mustn't card they mustn't card	I mustn't be carding you mustn't be carding he mustn't be carding we mustn't be carding you mustn't be carding they mustn't be carding
Perfect	V-ing perfect
I mustn't have carded you mustn't have carded he mustn't have carded we mustn't have carded you mustn't have carded they mustn't have carded	I mustn't have been carding you mustn't have been carding he mustn't have been carding we mustn't have been carding you mustn't have been carding they mustn't have been carding

Interrogative form

Simple form	V-ing form
must I card? must you card? must he card? must we card? must you card? must they card?	must I be carding? must you be carding? must he be carding? must we be carding? must you be carding? must they be carding?
Perfect	V-ing perfect
must I have carded? must you have carded? must he have carded? must we have carded? must you have carded? must they have carded?	must I have been carding? must you have been carding? must he have been carding? must we have been carding? must you have been carding? must they have been carding?

Interro-negative form

Simple form	V-ing form
mustn't I card? mustn't you card? mustn't he card? mustn't we card? mustn't you card? mustn't they card?	mustn't I be carding? mustn't you be carding? mustn't he be carding? mustn't we be carding? mustn't you be carding? mustn't they be carding?
Perfect	V-ing perfect
mustn't I have carded? mustn't you have carded? mustn't he have carded? mustn't we have carded? mustn't you have carded? mustn't they have carded?	mustn't I have been carding? mustn't you have been carding? mustn't he have been carding? mustn't we have been carding? mustn't you have been carding? mustn't they have been carding?