English verb conjugation
MUST RETRACT

Regular verb: retract - retracted - retracted

Affirmation

Simple form	V-ing form
I must retract you must retract he must retract we must retract you must retract they must retract	I must be retracting you must be retracting he must be retracting we must be retracting you must be retracting they must be retracting
Perfect	V-ing perfect
I must have retracted you must have retracted he must have retracted we must have retracted you must have retracted they must have retracted	I must have been retracting you must have been retracting he must have been retracting we must have been retracting you must have been retracting they must have been retracting

Negation

Simple form	V-ing form
I mustn't retract you mustn't retract he mustn't retract we mustn't retract you mustn't retract they mustn't retract	I mustn't be retracting you mustn't be retracting he mustn't be retracting we mustn't be retracting you mustn't be retracting they mustn't be retracting
Perfect	V-ing perfect
I mustn't have retracted you mustn't have retracted he mustn't have retracted we mustn't have retracted you mustn't have retracted they mustn't have retracted	I mustn't have been retracting you mustn't have been retracting he mustn't have been retracting we mustn't have been retracting you mustn't have been retracting they mustn't have been retracting

Interrogative form

Simple form	V-ing form
must I retract? must you retract? must he retract? must we retract? must you retract? must they retract?	must I be retracting? must you be retracting? must he be retracting? must we be retracting? must you be retracting? must they be retracting?
Perfect	V-ing perfect
must I have retracted? must you have retracted? must he have retracted? must we have retracted? must you have retracted? must they have retracted?	must I have been retracting? must you have been retracting? must he have been retracting? must we have been retracting? must you have been retracting? must they have been retracting?

Interro-negative form

Simple form	V-ing form
mustn't I retract? mustn't you retract? mustn't he retract? mustn't we retract? mustn't you retract? mustn't they retract?	mustn't I be retracting? mustn't you be retracting? mustn't he be retracting? mustn't we be retracting? mustn't you be retracting? mustn't they be retracting?
Perfect	V-ing perfect
mustn't I have retracted? mustn't you have retracted? mustn't he have retracted? mustn't we have retracted? mustn't you have retracted? mustn't they have retracted?	mustn't I have been retracting? mustn't you have been retracting? mustn't he have been retracting? mustn't we have been retracting? mustn't you have been retracting? mustn't they have been retracting?