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 mustn't shave you mustn't shave he mustn't shave we mustn't shave you mustn't shave they mustn't shave	I mustn't be shaving you mustn't be shaving he mustn't be shaving we mustn't be shaving you mustn't be shaving they mustn't be shaving
Perfect	V-ing perfect
I mustn't have shaven, shaved you mustn't have shaven, shaved he mustn't have shaven, shaved we mustn't have shaven, shaved you mustn't have shaven, shaved they mustn't have shaven, shaved	I mustn't have been shaving you mustn't have been shaving he mustn't have been shaving we mustn't have been shaving you mustn't have been shaving they mustn't 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
mustn't I shave? mustn't you shave? mustn't he shave? mustn't we shave? mustn't you shave? mustn't they shave?	mustn't I be shaving? mustn't you be shaving? mustn't he be shaving? mustn't we be shaving? mustn't you be shaving? mustn't they be shaving?
Perfect	V-ing perfect
mustn't I have shaven, shaved? mustn't you have shaven, shaved? mustn't he have shaven, shaved? mustn't we have shaven, shaved? mustn't you have shaven, shaved? mustn't they have shaven, shaved?	mustn't I have been shaving? mustn't you have been shaving? mustn't he have been shaving? mustn't we have been shaving? mustn't you have been shaving? mustn't they have been shaving?