English verb conjugation
MUST SHAPE

Regular verb: shape - shaped - shaped

Affirmation

Simple form	V-ing form
I must shape you must shape he must shape we must shape you must shape they must shape	I must be shaping you must be shaping he must be shaping we must be shaping you must be shaping they must be shaping
Perfect	V-ing perfect
I must have shaped you must have shaped he must have shaped we must have shaped you must have shaped they must have shaped	I must have been shaping you must have been shaping he must have been shaping we must have been shaping you must have been shaping they must have been shaping

Negation

Simple form	V-ing form
I must not shape you must not shape he must not shape we must not shape you must not shape they must not shape	I must not be shaping you must not be shaping he must not be shaping we must not be shaping you must not be shaping they must not be shaping
Perfect	V-ing perfect
I must not have shaped you must not have shaped he must not have shaped we must not have shaped you must not have shaped they must not have shaped	I must not have been shaping you must not have been shaping he must not have been shaping we must not have been shaping you must not have been shaping they must not have been shaping

Interrogative form

Simple form	V-ing form
must I shape? must you shape? must he shape? must we shape? must you shape? must they shape?	must I be shaping? must you be shaping? must he be shaping? must we be shaping? must you be shaping? must they be shaping?
Perfect	V-ing perfect
must I have shaped? must you have shaped? must he have shaped? must we have shaped? must you have shaped? must they have shaped?	must I have been shaping? must you have been shaping? must he have been shaping? must we have been shaping? must you have been shaping? must they have been shaping?

Interro-negative form

Simple form	V-ing form
must I not shape? must you not shape? must he not shape? must we not shape? must you not shape? must they not shape?	must I not be shaping? must you not be shaping? must he not be shaping? must we not be shaping? must you not be shaping? must they not be shaping?
Perfect	V-ing perfect
must I not have shaped? must you not have shaped? must he not have shaped? must we not have shaped? must you not have shaped? must they not have shaped?	must I not have been shaping? must you not have been shaping? must he not have been shaping? must we not have been shaping? must you not have been shaping? must they not have been shaping?