English verb conjugation
MUST MARCEL

Regular verb: marcel - marceled - marceled

Affirmation

Simple form	V-ing form
I must marcel you must marcel he must marcel we must marcel you must marcel they must marcel	I must be marceling you must be marceling he must be marceling we must be marceling you must be marceling they must be marceling
Perfect	V-ing perfect
I must have marceled you must have marceled he must have marceled we must have marceled you must have marceled they must have marceled	I must have been marceling you must have been marceling he must have been marceling we must have been marceling you must have been marceling they must have been marceling

Negation

Simple form	V-ing form
I must not marcel you must not marcel he must not marcel we must not marcel you must not marcel they must not marcel	I must not be marceling you must not be marceling he must not be marceling we must not be marceling you must not be marceling they must not be marceling
Perfect	V-ing perfect
I must not have marceled you must not have marceled he must not have marceled we must not have marceled you must not have marceled they must not have marceled	I must not have been marceling you must not have been marceling he must not have been marceling we must not have been marceling you must not have been marceling they must not have been marceling

Interrogative form

Simple form	V-ing form
must I marcel? must you marcel? must he marcel? must we marcel? must you marcel? must they marcel?	must I be marceling? must you be marceling? must he be marceling? must we be marceling? must you be marceling? must they be marceling?
Perfect	V-ing perfect
must I have marceled? must you have marceled? must he have marceled? must we have marceled? must you have marceled? must they have marceled?	must I have been marceling? must you have been marceling? must he have been marceling? must we have been marceling? must you have been marceling? must they have been marceling?

Interro-negative form

Simple form	V-ing form
must I not marcel? must you not marcel? must he not marcel? must we not marcel? must you not marcel? must they not marcel?	must I not be marceling? must you not be marceling? must he not be marceling? must we not be marceling? must you not be marceling? must they not be marceling?
Perfect	V-ing perfect
must I not have marceled? must you not have marceled? must he not have marceled? must we not have marceled? must you not have marceled? must they not have marceled?	must I not have been marceling? must you not have been marceling? must he not have been marceling? must we not have been marceling? must you not have been marceling? must they not have been marceling?