English verb conjugation
MUST HIGGLE

Regular verb: higgle - higgled - higgled

Affirmation

Simple form	V-ing form
I must higgle you must higgle he must higgle we must higgle you must higgle they must higgle	I must be higgling you must be higgling he must be higgling we must be higgling you must be higgling they must be higgling
Perfect	V-ing perfect
I must have higgled you must have higgled he must have higgled we must have higgled you must have higgled they must have higgled	I must have been higgling you must have been higgling he must have been higgling we must have been higgling you must have been higgling they must have been higgling

Negation

Simple form	V-ing form
I must not higgle you must not higgle he must not higgle we must not higgle you must not higgle they must not higgle	I must not be higgling you must not be higgling he must not be higgling we must not be higgling you must not be higgling they must not be higgling
Perfect	V-ing perfect
I must not have higgled you must not have higgled he must not have higgled we must not have higgled you must not have higgled they must not have higgled	I must not have been higgling you must not have been higgling he must not have been higgling we must not have been higgling you must not have been higgling they must not have been higgling

Interrogative form

Simple form	V-ing form
must I higgle? must you higgle? must he higgle? must we higgle? must you higgle? must they higgle?	must I be higgling? must you be higgling? must he be higgling? must we be higgling? must you be higgling? must they be higgling?
Perfect	V-ing perfect
must I have higgled? must you have higgled? must he have higgled? must we have higgled? must you have higgled? must they have higgled?	must I have been higgling? must you have been higgling? must he have been higgling? must we have been higgling? must you have been higgling? must they have been higgling?

Interro-negative form

Simple form	V-ing form
must I not higgle? must you not higgle? must he not higgle? must we not higgle? must you not higgle? must they not higgle?	must I not be higgling? must you not be higgling? must he not be higgling? must we not be higgling? must you not be higgling? must they not be higgling?
Perfect	V-ing perfect
must I not have higgled? must you not have higgled? must he not have higgled? must we not have higgled? must you not have higgled? must they not have higgled?	must I not have been higgling? must you not have been higgling? must he not have been higgling? must we not have been higgling? must you not have been higgling? must they not have been higgling?