English verb conjugation
MUST FOREGO

Irregular verb: forego - forewent - foregone

Affirmation

Simple form	V-ing form
I must forego you must forego he must forego we must forego you must forego they must forego	I must be foregoing you must be foregoing he must be foregoing we must be foregoing you must be foregoing they must be foregoing
Perfect	V-ing perfect
I must have foregone you must have foregone he must have foregone we must have foregone you must have foregone they must have foregone	I must have been foregoing you must have been foregoing he must have been foregoing we must have been foregoing you must have been foregoing they must have been foregoing

Negation

Simple form	V-ing form
I must not forego you must not forego he must not forego we must not forego you must not forego they must not forego	I must not be foregoing you must not be foregoing he must not be foregoing we must not be foregoing you must not be foregoing they must not be foregoing
Perfect	V-ing perfect
I must not have foregone you must not have foregone he must not have foregone we must not have foregone you must not have foregone they must not have foregone	I must not have been foregoing you must not have been foregoing he must not have been foregoing we must not have been foregoing you must not have been foregoing they must not have been foregoing

Interrogative form

Simple form	V-ing form
must I forego? must you forego? must he forego? must we forego? must you forego? must they forego?	must I be foregoing? must you be foregoing? must he be foregoing? must we be foregoing? must you be foregoing? must they be foregoing?
Perfect	V-ing perfect
must I have foregone? must you have foregone? must he have foregone? must we have foregone? must you have foregone? must they have foregone?	must I have been foregoing? must you have been foregoing? must he have been foregoing? must we have been foregoing? must you have been foregoing? must they have been foregoing?

Interro-negative form

Simple form	V-ing form
must I not forego? must you not forego? must he not forego? must we not forego? must you not forego? must they not forego?	must I not be foregoing? must you not be foregoing? must he not be foregoing? must we not be foregoing? must you not be foregoing? must they not be foregoing?
Perfect	V-ing perfect
must I not have foregone? must you not have foregone? must he not have foregone? must we not have foregone? must you not have foregone? must they not have foregone?	must I not have been foregoing? must you not have been foregoing? must he not have been foregoing? must we not have been foregoing? must you not have been foregoing? must they not have been foregoing?