must overbear
Irregular verb: overbear - overbore- overborne, overborn

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