English verb conjugation
MUST DISCOLOR

Regular verb: discolor - discolored - discolored

Affirmation

Simple form	V-ing form
I must discolor you must discolor he must discolor we must discolor you must discolor they must discolor	I must be discoloring you must be discoloring he must be discoloring we must be discoloring you must be discoloring they must be discoloring
Perfect	V-ing perfect
I must have discolored you must have discolored he must have discolored we must have discolored you must have discolored they must have discolored	I must have been discoloring you must have been discoloring he must have been discoloring we must have been discoloring you must have been discoloring they must have been discoloring

Negation

Simple form	V-ing form
I mustn't discolor you mustn't discolor he mustn't discolor we mustn't discolor you mustn't discolor they mustn't discolor	I mustn't be discoloring you mustn't be discoloring he mustn't be discoloring we mustn't be discoloring you mustn't be discoloring they mustn't be discoloring
Perfect	V-ing perfect
I mustn't have discolored you mustn't have discolored he mustn't have discolored we mustn't have discolored you mustn't have discolored they mustn't have discolored	I mustn't have been discoloring you mustn't have been discoloring he mustn't have been discoloring we mustn't have been discoloring you mustn't have been discoloring they mustn't have been discoloring

Interrogative form

Simple form	V-ing form
must I discolor? must you discolor? must he discolor? must we discolor? must you discolor? must they discolor?	must I be discoloring? must you be discoloring? must he be discoloring? must we be discoloring? must you be discoloring? must they be discoloring?
Perfect	V-ing perfect
must I have discolored? must you have discolored? must he have discolored? must we have discolored? must you have discolored? must they have discolored?	must I have been discoloring? must you have been discoloring? must he have been discoloring? must we have been discoloring? must you have been discoloring? must they have been discoloring?

Interro-negative form

Simple form	V-ing form
mustn't I discolor? mustn't you discolor? mustn't he discolor? mustn't we discolor? mustn't you discolor? mustn't they discolor?	mustn't I be discoloring? mustn't you be discoloring? mustn't he be discoloring? mustn't we be discoloring? mustn't you be discoloring? mustn't they be discoloring?
Perfect	V-ing perfect
mustn't I have discolored? mustn't you have discolored? mustn't he have discolored? mustn't we have discolored? mustn't you have discolored? mustn't they have discolored?	mustn't I have been discoloring? mustn't you have been discoloring? mustn't he have been discoloring? mustn't we have been discoloring? mustn't you have been discoloring? mustn't they have been discoloring?