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 mustn't cramp you mustn't cramp he mustn't cramp we mustn't cramp you mustn't cramp they mustn't cramp	I mustn't be cramping you mustn't be cramping he mustn't be cramping we mustn't be cramping you mustn't be cramping they mustn't be cramping
Perfect	V-ing perfect
I mustn't have cramped you mustn't have cramped he mustn't have cramped we mustn't have cramped you mustn't have cramped they mustn't have cramped	I mustn't have been cramping you mustn't have been cramping he mustn't have been cramping we mustn't have been cramping you mustn't have been cramping they mustn't 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
mustn't I cramp? mustn't you cramp? mustn't he cramp? mustn't we cramp? mustn't you cramp? mustn't they cramp?	mustn't I be cramping? mustn't you be cramping? mustn't he be cramping? mustn't we be cramping? mustn't you be cramping? mustn't they be cramping?
Perfect	V-ing perfect
mustn't I have cramped? mustn't you have cramped? mustn't he have cramped? mustn't we have cramped? mustn't you have cramped? mustn't they have cramped?	mustn't I have been cramping? mustn't you have been cramping? mustn't he have been cramping? mustn't we have been cramping? mustn't you have been cramping? mustn't they have been cramping?