English verb conjugation
MUST JOYPOP

Regular verb: joypop - joypoped - joypoped

Affirmation

Simple form	V-ing form
I must joypop you must joypop he must joypop we must joypop you must joypop they must joypop	I must be joypoping you must be joypoping he must be joypoping we must be joypoping you must be joypoping they must be joypoping
Perfect	V-ing perfect
I must have joypoped you must have joypoped he must have joypoped we must have joypoped you must have joypoped they must have joypoped	I must have been joypoping you must have been joypoping he must have been joypoping we must have been joypoping you must have been joypoping they must have been joypoping

Negation

Simple form	V-ing form
I mustn't joypop you mustn't joypop he mustn't joypop we mustn't joypop you mustn't joypop they mustn't joypop	I mustn't be joypoping you mustn't be joypoping he mustn't be joypoping we mustn't be joypoping you mustn't be joypoping they mustn't be joypoping
Perfect	V-ing perfect
I mustn't have joypoped you mustn't have joypoped he mustn't have joypoped we mustn't have joypoped you mustn't have joypoped they mustn't have joypoped	I mustn't have been joypoping you mustn't have been joypoping he mustn't have been joypoping we mustn't have been joypoping you mustn't have been joypoping they mustn't have been joypoping

Interrogative form

Simple form	V-ing form
must I joypop? must you joypop? must he joypop? must we joypop? must you joypop? must they joypop?	must I be joypoping? must you be joypoping? must he be joypoping? must we be joypoping? must you be joypoping? must they be joypoping?
Perfect	V-ing perfect
must I have joypoped? must you have joypoped? must he have joypoped? must we have joypoped? must you have joypoped? must they have joypoped?	must I have been joypoping? must you have been joypoping? must he have been joypoping? must we have been joypoping? must you have been joypoping? must they have been joypoping?

Interro-negative form

Simple form	V-ing form
mustn't I joypop? mustn't you joypop? mustn't he joypop? mustn't we joypop? mustn't you joypop? mustn't they joypop?	mustn't I be joypoping? mustn't you be joypoping? mustn't he be joypoping? mustn't we be joypoping? mustn't you be joypoping? mustn't they be joypoping?
Perfect	V-ing perfect
mustn't I have joypoped? mustn't you have joypoped? mustn't he have joypoped? mustn't we have joypoped? mustn't you have joypoped? mustn't they have joypoped?	mustn't I have been joypoping? mustn't you have been joypoping? mustn't he have been joypoping? mustn't we have been joypoping? mustn't you have been joypoping? mustn't they have been joypoping?