English verb conjugation
MUST PUMICE

Regular verb: pumice - pumiced - pumiced

Affirmation

Simple form	V-ing form
I must pumice you must pumice he must pumice we must pumice you must pumice they must pumice	I must be pumicing you must be pumicing he must be pumicing we must be pumicing you must be pumicing they must be pumicing
Perfect	V-ing perfect
I must have pumiced you must have pumiced he must have pumiced we must have pumiced you must have pumiced they must have pumiced	I must have been pumicing you must have been pumicing he must have been pumicing we must have been pumicing you must have been pumicing they must have been pumicing

Negation

Simple form	V-ing form
I mustn't pumice you mustn't pumice he mustn't pumice we mustn't pumice you mustn't pumice they mustn't pumice	I mustn't be pumicing you mustn't be pumicing he mustn't be pumicing we mustn't be pumicing you mustn't be pumicing they mustn't be pumicing
Perfect	V-ing perfect
I mustn't have pumiced you mustn't have pumiced he mustn't have pumiced we mustn't have pumiced you mustn't have pumiced they mustn't have pumiced	I mustn't have been pumicing you mustn't have been pumicing he mustn't have been pumicing we mustn't have been pumicing you mustn't have been pumicing they mustn't have been pumicing

Interrogative form

Simple form	V-ing form
must I pumice? must you pumice? must he pumice? must we pumice? must you pumice? must they pumice?	must I be pumicing? must you be pumicing? must he be pumicing? must we be pumicing? must you be pumicing? must they be pumicing?
Perfect	V-ing perfect
must I have pumiced? must you have pumiced? must he have pumiced? must we have pumiced? must you have pumiced? must they have pumiced?	must I have been pumicing? must you have been pumicing? must he have been pumicing? must we have been pumicing? must you have been pumicing? must they have been pumicing?

Interro-negative form

Simple form	V-ing form
mustn't I pumice? mustn't you pumice? mustn't he pumice? mustn't we pumice? mustn't you pumice? mustn't they pumice?	mustn't I be pumicing? mustn't you be pumicing? mustn't he be pumicing? mustn't we be pumicing? mustn't you be pumicing? mustn't they be pumicing?
Perfect	V-ing perfect
mustn't I have pumiced? mustn't you have pumiced? mustn't he have pumiced? mustn't we have pumiced? mustn't you have pumiced? mustn't they have pumiced?	mustn't I have been pumicing? mustn't you have been pumicing? mustn't he have been pumicing? mustn't we have been pumicing? mustn't you have been pumicing? mustn't they have been pumicing?