English verb conjugation
MUST SHAVE

Irregular verb: shave - shaved - shaven, shaved

Affirmation

Simple form	V-ing form
I must shave you must shave he must shave we must shave you must shave they must shave	I must be shaving you must be shaving he 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 he 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 he 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 he 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 he 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 he 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 he 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 he shave? must we shave? must you shave? must they shave?	must I be shaving? must you be shaving? must he 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 he 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 he 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 he 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 he 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 he 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 he not have been shaving? must we not have been shaving? must you not have been shaving? must they not have been shaving?