must overborrow
Regular verb: overborrow - overborrowed- overborrowed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must overborrow
you must overborrow
he must overborrow
we must overborrow
you must overborrow
they must overborrow 	I must be overborrowing
you must be overborrowing
he must be overborrowing
we must be overborrowing
you must be overborrowing
they must be overborrowing	I must have overborrowed
you must have overborrowed
he must have overborrowed
we must have overborrowed
you must have overborrowed
they must have overborrowed	I must have been overborrowing
you must have been overborrowing
he must have been overborrowing
we must have been overborrowing
you must have been overborrowing
they must have been overborrowing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not overborrow
you must not overborrow
he must not overborrow
we must not overborrow
you must not overborrow
they must not overborrow 	I must not be overborrowing
you must not be overborrowing
he must not be overborrowing
we must not be overborrowing
you must not be overborrowing
they must not be overborrowing	I must not have overborrowed
you must not have overborrowed
he must not have overborrowed
we must not have overborrowed
you must not have overborrowed
they must not have overborrowed	I must not have been overborrowing
you must not have been overborrowing
he must not have been overborrowing
we must not have been overborrowing
you must not have been overborrowing
they must not have been overborrowing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I overborrow?
must you overborrow?
must he overborrow?
must we overborrow?
must you overborrow?
must they overborrow? 	must I be overborrowing?
must you be overborrowing?
must he be overborrowing?
must we be overborrowing?
must you be overborrowing?
must they be overborrowing? 	must I have overborrowed?
must you have overborrowed?
must he have overborrowed?
must we have overborrowed?
must you have overborrowed?
must they have overborrowed? 	must I have been overborrowing?
must you have been overborrowing?
must he have been overborrowing?
must we have been overborrowing?
must you have been overborrowing?
must they have been overborrowing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not overborrow?
must you not overborrow?
must he not overborrow?
must we not overborrow?
must you not overborrow?
must they not overborrow? 	must I not be overborrowing?
must you not be overborrowing?
must he not be overborrowing?
must we not be overborrowing?
must you not be overborrowing?
must they not be overborrowing? 	must I not have overborrowed?
must you not have overborrowed?
must he not have overborrowed?
must we not have overborrowed?
must you not have overborrowed?
must they not have overborrowed? 	must I not have been overborrowing?
must you not have been overborrowing?
must he not have been overborrowing?
must we not have been overborrowing?
must you not have been overborrowing?
must they not have been overborrowing?