English verb conjugation
MUST POWDER

Regular verb: powder - powdered - powdered

Affirmation

Simple form	V-ing form
I must powder you must powder he must powder we must powder you must powder they must powder	I must be powdering you must be powdering he must be powdering we must be powdering you must be powdering they must be powdering
Perfect	V-ing perfect
I must have powdered you must have powdered he must have powdered we must have powdered you must have powdered they must have powdered	I must have been powdering you must have been powdering he must have been powdering we must have been powdering you must have been powdering they must have been powdering

Negation

Simple form	V-ing form
I must not powder you must not powder he must not powder we must not powder you must not powder they must not powder	I must not be powdering you must not be powdering he must not be powdering we must not be powdering you must not be powdering they must not be powdering
Perfect	V-ing perfect
I must not have powdered you must not have powdered he must not have powdered we must not have powdered you must not have powdered they must not have powdered	I must not have been powdering you must not have been powdering he must not have been powdering we must not have been powdering you must not have been powdering they must not have been powdering

Interrogative form

Simple form	V-ing form
must I powder? must you powder? must he powder? must we powder? must you powder? must they powder?	must I be powdering? must you be powdering? must he be powdering? must we be powdering? must you be powdering? must they be powdering?
Perfect	V-ing perfect
must I have powdered? must you have powdered? must he have powdered? must we have powdered? must you have powdered? must they have powdered?	must I have been powdering? must you have been powdering? must he have been powdering? must we have been powdering? must you have been powdering? must they have been powdering?

Interro-negative form

Simple form	V-ing form
must I not powder? must you not powder? must he not powder? must we not powder? must you not powder? must they not powder?	must I not be powdering? must you not be powdering? must he not be powdering? must we not be powdering? must you not be powdering? must they not be powdering?
Perfect	V-ing perfect
must I not have powdered? must you not have powdered? must he not have powdered? must we not have powdered? must you not have powdered? must they not have powdered?	must I not have been powdering? must you not have been powdering? must he not have been powdering? must we not have been powdering? must you not have been powdering? must they not have been powdering?