English verb conjugation
MUST NEED

Regular verb: need - needed - needed

Affirmation

Simple form	V-ing form
I must need you must need he must need we must need you must need they must need	I must be needing you must be needing he must be needing we must be needing you must be needing they must be needing
Perfect	V-ing perfect
I must have needed you must have needed he must have needed we must have needed you must have needed they must have needed	I must have been needing you must have been needing he must have been needing we must have been needing you must have been needing they must have been needing

Negation

Simple form	V-ing form
I mustn't need you mustn't need he mustn't need we mustn't need you mustn't need they mustn't need	I mustn't be needing you mustn't be needing he mustn't be needing we mustn't be needing you mustn't be needing they mustn't be needing
Perfect	V-ing perfect
I mustn't have needed you mustn't have needed he mustn't have needed we mustn't have needed you mustn't have needed they mustn't have needed	I mustn't have been needing you mustn't have been needing he mustn't have been needing we mustn't have been needing you mustn't have been needing they mustn't have been needing

Interrogative form

Simple form	V-ing form
must I need? must you need? must he need? must we need? must you need? must they need?	must I be needing? must you be needing? must he be needing? must we be needing? must you be needing? must they be needing?
Perfect	V-ing perfect
must I have needed? must you have needed? must he have needed? must we have needed? must you have needed? must they have needed?	must I have been needing? must you have been needing? must he have been needing? must we have been needing? must you have been needing? must they have been needing?

Interro-negative form

Simple form	V-ing form
mustn't I need? mustn't you need? mustn't he need? mustn't we need? mustn't you need? mustn't they need?	mustn't I be needing? mustn't you be needing? mustn't he be needing? mustn't we be needing? mustn't you be needing? mustn't they be needing?
Perfect	V-ing perfect
mustn't I have needed? mustn't you have needed? mustn't he have needed? mustn't we have needed? mustn't you have needed? mustn't they have needed?	mustn't I have been needing? mustn't you have been needing? mustn't he have been needing? mustn't we have been needing? mustn't you have been needing? mustn't they have been needing?