English verb conjugation
MUST FORGO

Regular verb: forgo - forgoed - forgoed

Affirmation

Simple form	V-ing form
I must forgo you must forgo he must forgo we must forgo you must forgo they must forgo	I must be forgoing you must be forgoing he must be forgoing we must be forgoing you must be forgoing they must be forgoing
Perfect	V-ing perfect
I must have forgoed you must have forgoed he must have forgoed we must have forgoed you must have forgoed they must have forgoed	I must have been forgoing you must have been forgoing he must have been forgoing we must have been forgoing you must have been forgoing they must have been forgoing

Negation

Simple form	V-ing form
I must not forgo you must not forgo he must not forgo we must not forgo you must not forgo they must not forgo	I must not be forgoing you must not be forgoing he must not be forgoing we must not be forgoing you must not be forgoing they must not be forgoing
Perfect	V-ing perfect
I must not have forgoed you must not have forgoed he must not have forgoed we must not have forgoed you must not have forgoed they must not have forgoed	I must not have been forgoing you must not have been forgoing he must not have been forgoing we must not have been forgoing you must not have been forgoing they must not have been forgoing

Interrogative form

Simple form	V-ing form
must I forgo? must you forgo? must he forgo? must we forgo? must you forgo? must they forgo?	must I be forgoing? must you be forgoing? must he be forgoing? must we be forgoing? must you be forgoing? must they be forgoing?
Perfect	V-ing perfect
must I have forgoed? must you have forgoed? must he have forgoed? must we have forgoed? must you have forgoed? must they have forgoed?	must I have been forgoing? must you have been forgoing? must he have been forgoing? must we have been forgoing? must you have been forgoing? must they have been forgoing?

Interro-negative form

Simple form	V-ing form
must I not forgo? must you not forgo? must he not forgo? must we not forgo? must you not forgo? must they not forgo?	must I not be forgoing? must you not be forgoing? must he not be forgoing? must we not be forgoing? must you not be forgoing? must they not be forgoing?
Perfect	V-ing perfect
must I not have forgoed? must you not have forgoed? must he not have forgoed? must we not have forgoed? must you not have forgoed? must they not have forgoed?	must I not have been forgoing? must you not have been forgoing? must he not have been forgoing? must we not have been forgoing? must you not have been forgoing? must they not have been forgoing?