English verb conjugation
MUST OVERBUILD

Irregular verb: overbuild - overbuilt - overbuilt

Affirmation

Simple form	V-ing form
I must overbuild you must overbuild she must overbuild we must overbuild you must overbuild they must overbuild	I must be overbuilding you must be overbuilding she must be overbuilding we must be overbuilding you must be overbuilding they must be overbuilding
Perfect	V-ing perfect
I must have overbuilt you must have overbuilt she must have overbuilt we must have overbuilt you must have overbuilt they must have overbuilt	I must have been overbuilding you must have been overbuilding she must have been overbuilding we must have been overbuilding you must have been overbuilding they must have been overbuilding

Negation

Simple form	V-ing form
I must not overbuild you must not overbuild she must not overbuild we must not overbuild you must not overbuild they must not overbuild	I must not be overbuilding you must not be overbuilding she must not be overbuilding we must not be overbuilding you must not be overbuilding they must not be overbuilding
Perfect	V-ing perfect
I must not have overbuilt you must not have overbuilt she must not have overbuilt we must not have overbuilt you must not have overbuilt they must not have overbuilt	I must not have been overbuilding you must not have been overbuilding she must not have been overbuilding we must not have been overbuilding you must not have been overbuilding they must not have been overbuilding

Interrogative form

Simple form	V-ing form
must I overbuild? must you overbuild? must she overbuild? must we overbuild? must you overbuild? must they overbuild?	must I be overbuilding? must you be overbuilding? must she be overbuilding? must we be overbuilding? must you be overbuilding? must they be overbuilding?
Perfect	V-ing perfect
must I have overbuilt? must you have overbuilt? must she have overbuilt? must we have overbuilt? must you have overbuilt? must they have overbuilt?	must I have been overbuilding? must you have been overbuilding? must she have been overbuilding? must we have been overbuilding? must you have been overbuilding? must they have been overbuilding?

Interro-negative form

Simple form	V-ing form
must I not overbuild? must you not overbuild? must she not overbuild? must we not overbuild? must you not overbuild? must they not overbuild?	must I not be overbuilding? must you not be overbuilding? must she not be overbuilding? must we not be overbuilding? must you not be overbuilding? must they not be overbuilding?
Perfect	V-ing perfect
must I not have overbuilt? must you not have overbuilt? must she not have overbuilt? must we not have overbuilt? must you not have overbuilt? must they not have overbuilt?	must I not have been overbuilding? must you not have been overbuilding? must she not have been overbuilding? must we not have been overbuilding? must you not have been overbuilding? must they not have been overbuilding?