English verb conjugation
MUST CRAMP

Regular verb: cramp - cramped - cramped

Affirmation

Simple form	V-ing form
I must cramp you must cramp he must cramp we must cramp you must cramp they must cramp	I must be cramping you must be cramping he must be cramping we must be cramping you must be cramping they must be cramping
Perfect	V-ing perfect
I must have cramped you must have cramped he must have cramped we must have cramped you must have cramped they must have cramped	I must have been cramping you must have been cramping he must have been cramping we must have been cramping you must have been cramping they must have been cramping

Negation

Simple form	V-ing form
I must not cramp you must not cramp he must not cramp we must not cramp you must not cramp they must not cramp	I must not be cramping you must not be cramping he must not be cramping we must not be cramping you must not be cramping they must not be cramping
Perfect	V-ing perfect
I must not have cramped you must not have cramped he must not have cramped we must not have cramped you must not have cramped they must not have cramped	I must not have been cramping you must not have been cramping he must not have been cramping we must not have been cramping you must not have been cramping they must not have been cramping

Interrogative form

Simple form	V-ing form
must I cramp? must you cramp? must he cramp? must we cramp? must you cramp? must they cramp?	must I be cramping? must you be cramping? must he be cramping? must we be cramping? must you be cramping? must they be cramping?
Perfect	V-ing perfect
must I have cramped? must you have cramped? must he have cramped? must we have cramped? must you have cramped? must they have cramped?	must I have been cramping? must you have been cramping? must he have been cramping? must we have been cramping? must you have been cramping? must they have been cramping?

Interro-negative form

Simple form	V-ing form
must I not cramp? must you not cramp? must he not cramp? must we not cramp? must you not cramp? must they not cramp?	must I not be cramping? must you not be cramping? must he not be cramping? must we not be cramping? must you not be cramping? must they not be cramping?
Perfect	V-ing perfect
must I not have cramped? must you not have cramped? must he not have cramped? must we not have cramped? must you not have cramped? must they not have cramped?	must I not have been cramping? must you not have been cramping? must he not have been cramping? must we not have been cramping? must you not have been cramping? must they not have been cramping?