English verb conjugation
MUST SHAVE

Irregular verb: shave - shaved - shaven, shaved

Affirmation

Simple form	V-ing form
I must shave you must shave she must shave we must shave you must shave they must shave	I must be shaving you must be shaving she must be shaving we must be shaving you must be shaving they must be shaving
Perfect	V-ing perfect
I must have shaven, shaved you must have shaven, shaved she must have shaven, shaved we must have shaven, shaved you must have shaven, shaved they must have shaven, shaved	I must have been shaving you must have been shaving she must have been shaving we must have been shaving you must have been shaving they must have been shaving

Negation

Simple form	V-ing form
I must not shave you must not shave she must not shave we must not shave you must not shave they must not shave	I must not be shaving you must not be shaving she must not be shaving we must not be shaving you must not be shaving they must not be shaving
Perfect	V-ing perfect
I must not have shaven, shaved you must not have shaven, shaved she must not have shaven, shaved we must not have shaven, shaved you must not have shaven, shaved they must not have shaven, shaved	I must not have been shaving you must not have been shaving she must not have been shaving we must not have been shaving you must not have been shaving they must not have been shaving

Interrogative form

Simple form	V-ing form
must I shave? must you shave? must she shave? must we shave? must you shave? must they shave?	must I be shaving? must you be shaving? must she be shaving? must we be shaving? must you be shaving? must they be shaving?
Perfect	V-ing perfect
must I have shaven, shaved? must you have shaven, shaved? must she have shaven, shaved? must we have shaven, shaved? must you have shaven, shaved? must they have shaven, shaved?	must I have been shaving? must you have been shaving? must she have been shaving? must we have been shaving? must you have been shaving? must they have been shaving?

Interro-negative form

Simple form	V-ing form
must I not shave? must you not shave? must she not shave? must we not shave? must you not shave? must they not shave?	must I not be shaving? must you not be shaving? must she not be shaving? must we not be shaving? must you not be shaving? must they not be shaving?
Perfect	V-ing perfect
must I not have shaven, shaved? must you not have shaven, shaved? must she not have shaven, shaved? must we not have shaven, shaved? must you not have shaven, shaved? must they not have shaven, shaved?	must I not have been shaving? must you not have been shaving? must she not have been shaving? must we not have been shaving? must you not have been shaving? must they not have been shaving?