English verb conjugation
MUST PROTRACT

Regular verb: protract - protracted - protracted

Affirmation

Simple form	V-ing form
I must protract you must protract he must protract we must protract you must protract they must protract	I must be protracting you must be protracting he must be protracting we must be protracting you must be protracting they must be protracting
Perfect	V-ing perfect
I must have protracted you must have protracted he must have protracted we must have protracted you must have protracted they must have protracted	I must have been protracting you must have been protracting he must have been protracting we must have been protracting you must have been protracting they must have been protracting

Negation

Simple form	V-ing form
I mustn't protract you mustn't protract he mustn't protract we mustn't protract you mustn't protract they mustn't protract	I mustn't be protracting you mustn't be protracting he mustn't be protracting we mustn't be protracting you mustn't be protracting they mustn't be protracting
Perfect	V-ing perfect
I mustn't have protracted you mustn't have protracted he mustn't have protracted we mustn't have protracted you mustn't have protracted they mustn't have protracted	I mustn't have been protracting you mustn't have been protracting he mustn't have been protracting we mustn't have been protracting you mustn't have been protracting they mustn't have been protracting

Interrogative form

Simple form	V-ing form
must I protract? must you protract? must he protract? must we protract? must you protract? must they protract?	must I be protracting? must you be protracting? must he be protracting? must we be protracting? must you be protracting? must they be protracting?
Perfect	V-ing perfect
must I have protracted? must you have protracted? must he have protracted? must we have protracted? must you have protracted? must they have protracted?	must I have been protracting? must you have been protracting? must he have been protracting? must we have been protracting? must you have been protracting? must they have been protracting?

Interro-negative form

Simple form	V-ing form
mustn't I protract? mustn't you protract? mustn't he protract? mustn't we protract? mustn't you protract? mustn't they protract?	mustn't I be protracting? mustn't you be protracting? mustn't he be protracting? mustn't we be protracting? mustn't you be protracting? mustn't they be protracting?
Perfect	V-ing perfect
mustn't I have protracted? mustn't you have protracted? mustn't he have protracted? mustn't we have protracted? mustn't you have protracted? mustn't they have protracted?	mustn't I have been protracting? mustn't you have been protracting? mustn't he have been protracting? mustn't we have been protracting? mustn't you have been protracting? mustn't they have been protracting?