English verb conjugation
MUST WISP

Regular verb: wisp - wisped - wisped

Affirmation

Simple form	V-ing form
I must wisp you must wisp he must wisp we must wisp you must wisp they must wisp	I must be wisping you must be wisping he must be wisping we must be wisping you must be wisping they must be wisping
Perfect	V-ing perfect
I must have wisped you must have wisped he must have wisped we must have wisped you must have wisped they must have wisped	I must have been wisping you must have been wisping he must have been wisping we must have been wisping you must have been wisping they must have been wisping

Negation

Simple form	V-ing form
I must not wisp you must not wisp he must not wisp we must not wisp you must not wisp they must not wisp	I must not be wisping you must not be wisping he must not be wisping we must not be wisping you must not be wisping they must not be wisping
Perfect	V-ing perfect
I must not have wisped you must not have wisped he must not have wisped we must not have wisped you must not have wisped they must not have wisped	I must not have been wisping you must not have been wisping he must not have been wisping we must not have been wisping you must not have been wisping they must not have been wisping

Interrogative form

Simple form	V-ing form
must I wisp? must you wisp? must he wisp? must we wisp? must you wisp? must they wisp?	must I be wisping? must you be wisping? must he be wisping? must we be wisping? must you be wisping? must they be wisping?
Perfect	V-ing perfect
must I have wisped? must you have wisped? must he have wisped? must we have wisped? must you have wisped? must they have wisped?	must I have been wisping? must you have been wisping? must he have been wisping? must we have been wisping? must you have been wisping? must they have been wisping?

Interro-negative form

Simple form	V-ing form
must I not wisp? must you not wisp? must he not wisp? must we not wisp? must you not wisp? must they not wisp?	must I not be wisping? must you not be wisping? must he not be wisping? must we not be wisping? must you not be wisping? must they not be wisping?
Perfect	V-ing perfect
must I not have wisped? must you not have wisped? must he not have wisped? must we not have wisped? must you not have wisped? must they not have wisped?	must I not have been wisping? must you not have been wisping? must he not have been wisping? must we not have been wisping? must you not have been wisping? must they not have been wisping?