English verb conjugation
MUST OVERDESIGN

Regular verb: overdesign - overdesigned - overdesigned

Affirmation

Simple form	V-ing form
I must overdesign you must overdesign he must overdesign we must overdesign you must overdesign they must overdesign	I must be overdesigning you must be overdesigning he must be overdesigning we must be overdesigning you must be overdesigning they must be overdesigning
Perfect	V-ing perfect
I must have overdesigned you must have overdesigned he must have overdesigned we must have overdesigned you must have overdesigned they must have overdesigned	I must have been overdesigning you must have been overdesigning he must have been overdesigning we must have been overdesigning you must have been overdesigning they must have been overdesigning

Negation

Simple form	V-ing form
I mustn't overdesign you mustn't overdesign he mustn't overdesign we mustn't overdesign you mustn't overdesign they mustn't overdesign	I mustn't be overdesigning you mustn't be overdesigning he mustn't be overdesigning we mustn't be overdesigning you mustn't be overdesigning they mustn't be overdesigning
Perfect	V-ing perfect
I mustn't have overdesigned you mustn't have overdesigned he mustn't have overdesigned we mustn't have overdesigned you mustn't have overdesigned they mustn't have overdesigned	I mustn't have been overdesigning you mustn't have been overdesigning he mustn't have been overdesigning we mustn't have been overdesigning you mustn't have been overdesigning they mustn't have been overdesigning

Interrogative form

Simple form	V-ing form
must I overdesign? must you overdesign? must he overdesign? must we overdesign? must you overdesign? must they overdesign?	must I be overdesigning? must you be overdesigning? must he be overdesigning? must we be overdesigning? must you be overdesigning? must they be overdesigning?
Perfect	V-ing perfect
must I have overdesigned? must you have overdesigned? must he have overdesigned? must we have overdesigned? must you have overdesigned? must they have overdesigned?	must I have been overdesigning? must you have been overdesigning? must he have been overdesigning? must we have been overdesigning? must you have been overdesigning? must they have been overdesigning?

Interro-negative form

Simple form	V-ing form
mustn't I overdesign? mustn't you overdesign? mustn't he overdesign? mustn't we overdesign? mustn't you overdesign? mustn't they overdesign?	mustn't I be overdesigning? mustn't you be overdesigning? mustn't he be overdesigning? mustn't we be overdesigning? mustn't you be overdesigning? mustn't they be overdesigning?
Perfect	V-ing perfect
mustn't I have overdesigned? mustn't you have overdesigned? mustn't he have overdesigned? mustn't we have overdesigned? mustn't you have overdesigned? mustn't they have overdesigned?	mustn't I have been overdesigning? mustn't you have been overdesigning? mustn't he have been overdesigning? mustn't we have been overdesigning? mustn't you have been overdesigning? mustn't they have been overdesigning?