English verb conjugation
MUST OVERBORROW

Regular verb: overborrow - overborrowed - overborrowed

Affirmation

Simple form	V-ing form
I must overborrow you must overborrow she must overborrow we must overborrow you must overborrow they must overborrow	I must be overborrowing you must be overborrowing she must be overborrowing we must be overborrowing you must be overborrowing they must be overborrowing
Perfect	V-ing perfect
I must have overborrowed you must have overborrowed she 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 she 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
I mustn't overborrow you mustn't overborrow she mustn't overborrow we mustn't overborrow you mustn't overborrow they mustn't overborrow	I mustn't be overborrowing you mustn't be overborrowing she mustn't be overborrowing we mustn't be overborrowing you mustn't be overborrowing they mustn't be overborrowing
Perfect	V-ing perfect
I mustn't have overborrowed you mustn't have overborrowed she mustn't have overborrowed we mustn't have overborrowed you mustn't have overborrowed they mustn't have overborrowed	I mustn't have been overborrowing you mustn't have been overborrowing she mustn't have been overborrowing we mustn't have been overborrowing you mustn't have been overborrowing they mustn't have been overborrowing

Interrogative form

Simple form	V-ing form
must I overborrow? must you overborrow? must she overborrow? must we overborrow? must you overborrow? must they overborrow?	must I be overborrowing? must you be overborrowing? must she be overborrowing? must we be overborrowing? must you be overborrowing? must they be overborrowing?
Perfect	V-ing perfect
must I have overborrowed? must you have overborrowed? must she 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 she 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
mustn't I overborrow? mustn't you overborrow? mustn't she overborrow? mustn't we overborrow? mustn't you overborrow? mustn't they overborrow?	mustn't I be overborrowing? mustn't you be overborrowing? mustn't she be overborrowing? mustn't we be overborrowing? mustn't you be overborrowing? mustn't they be overborrowing?
Perfect	V-ing perfect
mustn't I have overborrowed? mustn't you have overborrowed? mustn't she have overborrowed? mustn't we have overborrowed? mustn't you have overborrowed? mustn't they have overborrowed?	mustn't I have been overborrowing? mustn't you have been overborrowing? mustn't she have been overborrowing? mustn't we have been overborrowing? mustn't you have been overborrowing? mustn't they have been overborrowing?