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 mustn't higgle you mustn't higgle he mustn't higgle we mustn't higgle you mustn't higgle they mustn't higgle	I mustn't be higgling you mustn't be higgling he mustn't be higgling we mustn't be higgling you mustn't be higgling they mustn't be higgling
Perfect	V-ing perfect
I mustn't have higgled you mustn't have higgled he mustn't have higgled we mustn't have higgled you mustn't have higgled they mustn't have higgled	I mustn't have been higgling you mustn't have been higgling he mustn't have been higgling we mustn't have been higgling you mustn't have been higgling they mustn't 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
mustn't I higgle? mustn't you higgle? mustn't he higgle? mustn't we higgle? mustn't you higgle? mustn't they higgle?	mustn't I be higgling? mustn't you be higgling? mustn't he be higgling? mustn't we be higgling? mustn't you be higgling? mustn't they be higgling?
Perfect	V-ing perfect
mustn't I have higgled? mustn't you have higgled? mustn't he have higgled? mustn't we have higgled? mustn't you have higgled? mustn't they have higgled?	mustn't I have been higgling? mustn't you have been higgling? mustn't he have been higgling? mustn't we have been higgling? mustn't you have been higgling? mustn't they have been higgling?