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 must not card you must not card he must not card we must not card you must not card they must not card	I must not be carding you must not be carding he must not be carding we must not be carding you must not be carding they must not be carding
Perfect	V-ing perfect
I must not have carded you must not have carded he must not have carded we must not have carded you must not have carded they must not have carded	I must not have been carding you must not have been carding he must not have been carding we must not have been carding you must not have been carding they must not 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
must I not card? must you not card? must he not card? must we not card? must you not card? must they not card?	must I not be carding? must you not be carding? must he not be carding? must we not be carding? must you not be carding? must they not be carding?
Perfect	V-ing perfect
must I not have carded? must you not have carded? must he not have carded? must we not have carded? must you not have carded? must they not have carded?	must I not have been carding? must you not have been carding? must he not have been carding? must we not have been carding? must you not have been carding? must they not have been carding?