English verb conjugation
MUST REGROUP

Regular verb: regroup - regrouped - regrouped

Affirmation

Simple form	V-ing form
I must regroup you must regroup he must regroup we must regroup you must regroup they must regroup	I must be regrouping you must be regrouping he must be regrouping we must be regrouping you must be regrouping they must be regrouping
Perfect	V-ing perfect
I must have regrouped you must have regrouped he must have regrouped we must have regrouped you must have regrouped they must have regrouped	I must have been regrouping you must have been regrouping he must have been regrouping we must have been regrouping you must have been regrouping they must have been regrouping

Negation

Simple form	V-ing form
I must not regroup you must not regroup he must not regroup we must not regroup you must not regroup they must not regroup	I must not be regrouping you must not be regrouping he must not be regrouping we must not be regrouping you must not be regrouping they must not be regrouping
Perfect	V-ing perfect
I must not have regrouped you must not have regrouped he must not have regrouped we must not have regrouped you must not have regrouped they must not have regrouped	I must not have been regrouping you must not have been regrouping he must not have been regrouping we must not have been regrouping you must not have been regrouping they must not have been regrouping

Interrogative form

Simple form	V-ing form
must I regroup? must you regroup? must he regroup? must we regroup? must you regroup? must they regroup?	must I be regrouping? must you be regrouping? must he be regrouping? must we be regrouping? must you be regrouping? must they be regrouping?
Perfect	V-ing perfect
must I have regrouped? must you have regrouped? must he have regrouped? must we have regrouped? must you have regrouped? must they have regrouped?	must I have been regrouping? must you have been regrouping? must he have been regrouping? must we have been regrouping? must you have been regrouping? must they have been regrouping?

Interro-negative form

Simple form	V-ing form
must I not regroup? must you not regroup? must he not regroup? must we not regroup? must you not regroup? must they not regroup?	must I not be regrouping? must you not be regrouping? must he not be regrouping? must we not be regrouping? must you not be regrouping? must they not be regrouping?
Perfect	V-ing perfect
must I not have regrouped? must you not have regrouped? must he not have regrouped? must we not have regrouped? must you not have regrouped? must they not have regrouped?	must I not have been regrouping? must you not have been regrouping? must he not have been regrouping? must we not have been regrouping? must you not have been regrouping? must they not have been regrouping?