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 must not protract you must not protract he must not protract we must not protract you must not protract they must not protract	I must not be protracting you must not be protracting he must not be protracting we must not be protracting you must not be protracting they must not be protracting
Perfect	V-ing perfect
I must not have protracted you must not have protracted he must not have protracted we must not have protracted you must not have protracted they must not have protracted	I must not have been protracting you must not have been protracting he must not have been protracting we must not have been protracting you must not have been protracting they must not 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
must I not protract? must you not protract? must he not protract? must we not protract? must you not protract? must they not protract?	must I not be protracting? must you not be protracting? must he not be protracting? must we not be protracting? must you not be protracting? must they not be protracting?
Perfect	V-ing perfect
must I not have protracted? must you not have protracted? must he not have protracted? must we not have protracted? must you not have protracted? must they not have protracted?	must I not have been protracting? must you not have been protracting? must he not have been protracting? must we not have been protracting? must you not have been protracting? must they not have been protracting?