English verb conjugation
MUST FIELD-STRIP

Regular verb: field-strip - field-striped - field-striped

Affirmation

Simple form	V-ing form
I must field-strip you must field-strip he must field-strip we must field-strip you must field-strip they must field-strip	I must be field-striping you must be field-striping he must be field-striping we must be field-striping you must be field-striping they must be field-striping
Perfect	V-ing perfect
I must have field-striped you must have field-striped he must have field-striped we must have field-striped you must have field-striped they must have field-striped	I must have been field-striping you must have been field-striping he must have been field-striping we must have been field-striping you must have been field-striping they must have been field-striping

Negation

Simple form	V-ing form
I mustn't field-strip you mustn't field-strip he mustn't field-strip we mustn't field-strip you mustn't field-strip they mustn't field-strip	I mustn't be field-striping you mustn't be field-striping he mustn't be field-striping we mustn't be field-striping you mustn't be field-striping they mustn't be field-striping
Perfect	V-ing perfect
I mustn't have field-striped you mustn't have field-striped he mustn't have field-striped we mustn't have field-striped you mustn't have field-striped they mustn't have field-striped	I mustn't have been field-striping you mustn't have been field-striping he mustn't have been field-striping we mustn't have been field-striping you mustn't have been field-striping they mustn't have been field-striping

Interrogative form

Simple form	V-ing form
must I field-strip? must you field-strip? must he field-strip? must we field-strip? must you field-strip? must they field-strip?	must I be field-striping? must you be field-striping? must he be field-striping? must we be field-striping? must you be field-striping? must they be field-striping?
Perfect	V-ing perfect
must I have field-striped? must you have field-striped? must he have field-striped? must we have field-striped? must you have field-striped? must they have field-striped?	must I have been field-striping? must you have been field-striping? must he have been field-striping? must we have been field-striping? must you have been field-striping? must they have been field-striping?

Interro-negative form

Simple form	V-ing form
mustn't I field-strip? mustn't you field-strip? mustn't he field-strip? mustn't we field-strip? mustn't you field-strip? mustn't they field-strip?	mustn't I be field-striping? mustn't you be field-striping? mustn't he be field-striping? mustn't we be field-striping? mustn't you be field-striping? mustn't they be field-striping?
Perfect	V-ing perfect
mustn't I have field-striped? mustn't you have field-striped? mustn't he have field-striped? mustn't we have field-striped? mustn't you have field-striped? mustn't they have field-striped?	mustn't I have been field-striping? mustn't you have been field-striping? mustn't he have been field-striping? mustn't we have been field-striping? mustn't you have been field-striping? mustn't they have been field-striping?