English verb conjugation
MUST HAGGLE

Regular verb: haggle - haggled - haggled

Affirmation

Simple form	V-ing form
I must haggle you must haggle he must haggle we must haggle you must haggle they must haggle	I must be haggling you must be haggling he must be haggling we must be haggling you must be haggling they must be haggling
Perfect	V-ing perfect
I must have haggled you must have haggled he must have haggled we must have haggled you must have haggled they must have haggled	I must have been haggling you must have been haggling he must have been haggling we must have been haggling you must have been haggling they must have been haggling

Negation

Simple form	V-ing form
I must not haggle you must not haggle he must not haggle we must not haggle you must not haggle they must not haggle	I must not be haggling you must not be haggling he must not be haggling we must not be haggling you must not be haggling they must not be haggling
Perfect	V-ing perfect
I must not have haggled you must not have haggled he must not have haggled we must not have haggled you must not have haggled they must not have haggled	I must not have been haggling you must not have been haggling he must not have been haggling we must not have been haggling you must not have been haggling they must not have been haggling

Interrogative form

Simple form	V-ing form
must I haggle? must you haggle? must he haggle? must we haggle? must you haggle? must they haggle?	must I be haggling? must you be haggling? must he be haggling? must we be haggling? must you be haggling? must they be haggling?
Perfect	V-ing perfect
must I have haggled? must you have haggled? must he have haggled? must we have haggled? must you have haggled? must they have haggled?	must I have been haggling? must you have been haggling? must he have been haggling? must we have been haggling? must you have been haggling? must they have been haggling?

Interro-negative form

Simple form	V-ing form
must I not haggle? must you not haggle? must he not haggle? must we not haggle? must you not haggle? must they not haggle?	must I not be haggling? must you not be haggling? must he not be haggling? must we not be haggling? must you not be haggling? must they not be haggling?
Perfect	V-ing perfect
must I not have haggled? must you not have haggled? must he not have haggled? must we not have haggled? must you not have haggled? must they not have haggled?	must I not have been haggling? must you not have been haggling? must he not have been haggling? must we not have been haggling? must you not have been haggling? must they not have been haggling?