English verb conjugation
MUST FORGO

Regular verb: forgo - forgoed - forgoed

Affirmation

Simple form	V-ing form
I must forgo you must forgo she must forgo we must forgo you must forgo they must forgo	I must be forgoing you must be forgoing she 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 she 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 she 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 mustn't forgo you mustn't forgo she mustn't forgo we mustn't forgo you mustn't forgo they mustn't forgo	I mustn't be forgoing you mustn't be forgoing she mustn't be forgoing we mustn't be forgoing you mustn't be forgoing they mustn't be forgoing
Perfect	V-ing perfect
I mustn't have forgoed you mustn't have forgoed she mustn't have forgoed we mustn't have forgoed you mustn't have forgoed they mustn't have forgoed	I mustn't have been forgoing you mustn't have been forgoing she mustn't have been forgoing we mustn't have been forgoing you mustn't have been forgoing they mustn't have been forgoing

Interrogative form

Simple form	V-ing form
must I forgo? must you forgo? must she forgo? must we forgo? must you forgo? must they forgo?	must I be forgoing? must you be forgoing? must she 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 she 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 she 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
mustn't I forgo? mustn't you forgo? mustn't she forgo? mustn't we forgo? mustn't you forgo? mustn't they forgo?	mustn't I be forgoing? mustn't you be forgoing? mustn't she be forgoing? mustn't we be forgoing? mustn't you be forgoing? mustn't they be forgoing?
Perfect	V-ing perfect
mustn't I have forgoed? mustn't you have forgoed? mustn't she have forgoed? mustn't we have forgoed? mustn't you have forgoed? mustn't they have forgoed?	mustn't I have been forgoing? mustn't you have been forgoing? mustn't she have been forgoing? mustn't we have been forgoing? mustn't you have been forgoing? mustn't they have been forgoing?