English verb conjugation
MUST SHEAR

Irregular verb: shear - sheared - sheared, shorn

Affirmation

Simple form	V-ing form
I must shear you must shear she must shear we must shear you must shear they must shear	I must be shearing you must be shearing she must be shearing we must be shearing you must be shearing they must be shearing
Perfect	V-ing perfect
I must have sheared, shorn you must have sheared, shorn she must have sheared, shorn we must have sheared, shorn you must have sheared, shorn they must have sheared, shorn	I must have been shearing you must have been shearing she must have been shearing we must have been shearing you must have been shearing they must have been shearing

Negation

Simple form	V-ing form
I mustn't shear you mustn't shear she mustn't shear we mustn't shear you mustn't shear they mustn't shear	I mustn't be shearing you mustn't be shearing she mustn't be shearing we mustn't be shearing you mustn't be shearing they mustn't be shearing
Perfect	V-ing perfect
I mustn't have sheared, shorn you mustn't have sheared, shorn she mustn't have sheared, shorn we mustn't have sheared, shorn you mustn't have sheared, shorn they mustn't have sheared, shorn	I mustn't have been shearing you mustn't have been shearing she mustn't have been shearing we mustn't have been shearing you mustn't have been shearing they mustn't have been shearing

Interrogative form

Simple form	V-ing form
must I shear? must you shear? must she shear? must we shear? must you shear? must they shear?	must I be shearing? must you be shearing? must she be shearing? must we be shearing? must you be shearing? must they be shearing?
Perfect	V-ing perfect
must I have sheared, shorn? must you have sheared, shorn? must she have sheared, shorn? must we have sheared, shorn? must you have sheared, shorn? must they have sheared, shorn?	must I have been shearing? must you have been shearing? must she have been shearing? must we have been shearing? must you have been shearing? must they have been shearing?

Interro-negative form

Simple form	V-ing form
mustn't I shear? mustn't you shear? mustn't she shear? mustn't we shear? mustn't you shear? mustn't they shear?	mustn't I be shearing? mustn't you be shearing? mustn't she be shearing? mustn't we be shearing? mustn't you be shearing? mustn't they be shearing?
Perfect	V-ing perfect
mustn't I have sheared, shorn? mustn't you have sheared, shorn? mustn't she have sheared, shorn? mustn't we have sheared, shorn? mustn't you have sheared, shorn? mustn't they have sheared, shorn?	mustn't I have been shearing? mustn't you have been shearing? mustn't she have been shearing? mustn't we have been shearing? mustn't you have been shearing? mustn't they have been shearing?