English verb conjugation
MUST BORK

Regular verb: bork - borked - borked

Affirmation

Simple form	V-ing form
I must bork you must bork she must bork we must bork you must bork they must bork	I must be borking you must be borking she must be borking we must be borking you must be borking they must be borking
Perfect	V-ing perfect
I must have borked you must have borked she must have borked we must have borked you must have borked they must have borked	I must have been borking you must have been borking she must have been borking we must have been borking you must have been borking they must have been borking

Negation

Simple form	V-ing form
I mustn't bork you mustn't bork she mustn't bork we mustn't bork you mustn't bork they mustn't bork	I mustn't be borking you mustn't be borking she mustn't be borking we mustn't be borking you mustn't be borking they mustn't be borking
Perfect	V-ing perfect
I mustn't have borked you mustn't have borked she mustn't have borked we mustn't have borked you mustn't have borked they mustn't have borked	I mustn't have been borking you mustn't have been borking she mustn't have been borking we mustn't have been borking you mustn't have been borking they mustn't have been borking

Interrogative form

Simple form	V-ing form
must I bork? must you bork? must she bork? must we bork? must you bork? must they bork?	must I be borking? must you be borking? must she be borking? must we be borking? must you be borking? must they be borking?
Perfect	V-ing perfect
must I have borked? must you have borked? must she have borked? must we have borked? must you have borked? must they have borked?	must I have been borking? must you have been borking? must she have been borking? must we have been borking? must you have been borking? must they have been borking?

Interro-negative form

Simple form	V-ing form
mustn't I bork? mustn't you bork? mustn't she bork? mustn't we bork? mustn't you bork? mustn't they bork?	mustn't I be borking? mustn't you be borking? mustn't she be borking? mustn't we be borking? mustn't you be borking? mustn't they be borking?
Perfect	V-ing perfect
mustn't I have borked? mustn't you have borked? mustn't she have borked? mustn't we have borked? mustn't you have borked? mustn't they have borked?	mustn't I have been borking? mustn't you have been borking? mustn't she have been borking? mustn't we have been borking? mustn't you have been borking? mustn't they have been borking?