English verb conjugation
MUST UNBUILD

Irregular verb: unbuild - unbuilt - unbuilt

Affirmation

Simple form	V-ing form
I must unbuild you must unbuild she must unbuild we must unbuild you must unbuild they must unbuild	I must be unbuilding you must be unbuilding she must be unbuilding we must be unbuilding you must be unbuilding they must be unbuilding
Perfect	V-ing perfect
I must have unbuilt you must have unbuilt she must have unbuilt we must have unbuilt you must have unbuilt they must have unbuilt	I must have been unbuilding you must have been unbuilding she must have been unbuilding we must have been unbuilding you must have been unbuilding they must have been unbuilding

Negation

Simple form	V-ing form
I must not unbuild you must not unbuild she must not unbuild we must not unbuild you must not unbuild they must not unbuild	I must not be unbuilding you must not be unbuilding she must not be unbuilding we must not be unbuilding you must not be unbuilding they must not be unbuilding
Perfect	V-ing perfect
I must not have unbuilt you must not have unbuilt she must not have unbuilt we must not have unbuilt you must not have unbuilt they must not have unbuilt	I must not have been unbuilding you must not have been unbuilding she must not have been unbuilding we must not have been unbuilding you must not have been unbuilding they must not have been unbuilding

Interrogative form

Simple form	V-ing form
must I unbuild? must you unbuild? must she unbuild? must we unbuild? must you unbuild? must they unbuild?	must I be unbuilding? must you be unbuilding? must she be unbuilding? must we be unbuilding? must you be unbuilding? must they be unbuilding?
Perfect	V-ing perfect
must I have unbuilt? must you have unbuilt? must she have unbuilt? must we have unbuilt? must you have unbuilt? must they have unbuilt?	must I have been unbuilding? must you have been unbuilding? must she have been unbuilding? must we have been unbuilding? must you have been unbuilding? must they have been unbuilding?

Interro-negative form

Simple form	V-ing form
must I not unbuild? must you not unbuild? must she not unbuild? must we not unbuild? must you not unbuild? must they not unbuild?	must I not be unbuilding? must you not be unbuilding? must she not be unbuilding? must we not be unbuilding? must you not be unbuilding? must they not be unbuilding?
Perfect	V-ing perfect
must I not have unbuilt? must you not have unbuilt? must she not have unbuilt? must we not have unbuilt? must you not have unbuilt? must they not have unbuilt?	must I not have been unbuilding? must you not have been unbuilding? must she not have been unbuilding? must we not have been unbuilding? must you not have been unbuilding? must they not have been unbuilding?