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 must not need you must not need he must not need we must not need you must not need they must not need	I must not be needing you must not be needing he must not be needing we must not be needing you must not be needing they must not be needing
Perfect	V-ing perfect
I must not have needed you must not have needed he must not have needed we must not have needed you must not have needed they must not have needed	I must not have been needing you must not have been needing he must not have been needing we must not have been needing you must not have been needing they must not 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
must I not need? must you not need? must he not need? must we not need? must you not need? must they not need?	must I not be needing? must you not be needing? must he not be needing? must we not be needing? must you not be needing? must they not be needing?
Perfect	V-ing perfect
must I not have needed? must you not have needed? must he not have needed? must we not have needed? must you not have needed? must they not have needed?	must I not have been needing? must you not have been needing? must he not have been needing? must we not have been needing? must you not have been needing? must they not have been needing?