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 mustn't forego you mustn't forego he mustn't forego we mustn't forego you mustn't forego they mustn't forego	I mustn't be foregoing you mustn't be foregoing he mustn't be foregoing we mustn't be foregoing you mustn't be foregoing they mustn't be foregoing
Perfect	V-ing perfect
I mustn't have foregone you mustn't have foregone he mustn't have foregone we mustn't have foregone you mustn't have foregone they mustn't have foregone	I mustn't have been foregoing you mustn't have been foregoing he mustn't have been foregoing we mustn't have been foregoing you mustn't have been foregoing they mustn't 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
mustn't I forego? mustn't you forego? mustn't he forego? mustn't we forego? mustn't you forego? mustn't they forego?	mustn't I be foregoing? mustn't you be foregoing? mustn't he be foregoing? mustn't we be foregoing? mustn't you be foregoing? mustn't they be foregoing?
Perfect	V-ing perfect
mustn't I have foregone? mustn't you have foregone? mustn't he have foregone? mustn't we have foregone? mustn't you have foregone? mustn't they have foregone?	mustn't I have been foregoing? mustn't you have been foregoing? mustn't he have been foregoing? mustn't we have been foregoing? mustn't you have been foregoing? mustn't they have been foregoing?