English verb conjugation
MUST OVERBEAR

Irregular verb: overbear - overbore - overborne, overborn

Affirmation

Simple form	V-ing form
I must overbear you must overbear he must overbear we must overbear you must overbear they must overbear	I must be overbearing you must be overbearing he must be overbearing we must be overbearing you must be overbearing they must be overbearing
Perfect	V-ing perfect
I must have overborne, overborn you must have overborne, overborn he must have overborne, overborn we must have overborne, overborn you must have overborne, overborn they must have overborne, overborn	I must have been overbearing you must have been overbearing he must have been overbearing we must have been overbearing you must have been overbearing they must have been overbearing

Negation

Simple form	V-ing form
I mustn't overbear you mustn't overbear he mustn't overbear we mustn't overbear you mustn't overbear they mustn't overbear	I mustn't be overbearing you mustn't be overbearing he mustn't be overbearing we mustn't be overbearing you mustn't be overbearing they mustn't be overbearing
Perfect	V-ing perfect
I mustn't have overborne, overborn you mustn't have overborne, overborn he mustn't have overborne, overborn we mustn't have overborne, overborn you mustn't have overborne, overborn they mustn't have overborne, overborn	I mustn't have been overbearing you mustn't have been overbearing he mustn't have been overbearing we mustn't have been overbearing you mustn't have been overbearing they mustn't have been overbearing

Interrogative form

Simple form	V-ing form
must I overbear? must you overbear? must he overbear? must we overbear? must you overbear? must they overbear?	must I be overbearing? must you be overbearing? must he be overbearing? must we be overbearing? must you be overbearing? must they be overbearing?
Perfect	V-ing perfect
must I have overborne, overborn? must you have overborne, overborn? must he have overborne, overborn? must we have overborne, overborn? must you have overborne, overborn? must they have overborne, overborn?	must I have been overbearing? must you have been overbearing? must he have been overbearing? must we have been overbearing? must you have been overbearing? must they have been overbearing?

Interro-negative form

Simple form	V-ing form
mustn't I overbear? mustn't you overbear? mustn't he overbear? mustn't we overbear? mustn't you overbear? mustn't they overbear?	mustn't I be overbearing? mustn't you be overbearing? mustn't he be overbearing? mustn't we be overbearing? mustn't you be overbearing? mustn't they be overbearing?
Perfect	V-ing perfect
mustn't I have overborne, overborn? mustn't you have overborne, overborn? mustn't he have overborne, overborn? mustn't we have overborne, overborn? mustn't you have overborne, overborn? mustn't they have overborne, overborn?	mustn't I have been overbearing? mustn't you have been overbearing? mustn't he have been overbearing? mustn't we have been overbearing? mustn't you have been overbearing? mustn't they have been overbearing?