English verb conjugation
MUST BILK

Regular verb: bilk - bilked - bilked

Affirmation

Simple form	V-ing form
I must bilk you must bilk he must bilk we must bilk you must bilk they must bilk	I must be bilking you must be bilking he must be bilking we must be bilking you must be bilking they must be bilking
Perfect	V-ing perfect
I must have bilked you must have bilked he must have bilked we must have bilked you must have bilked they must have bilked	I must have been bilking you must have been bilking he must have been bilking we must have been bilking you must have been bilking they must have been bilking

Negation

Simple form	V-ing form
I mustn't bilk you mustn't bilk he mustn't bilk we mustn't bilk you mustn't bilk they mustn't bilk	I mustn't be bilking you mustn't be bilking he mustn't be bilking we mustn't be bilking you mustn't be bilking they mustn't be bilking
Perfect	V-ing perfect
I mustn't have bilked you mustn't have bilked he mustn't have bilked we mustn't have bilked you mustn't have bilked they mustn't have bilked	I mustn't have been bilking you mustn't have been bilking he mustn't have been bilking we mustn't have been bilking you mustn't have been bilking they mustn't have been bilking

Interrogative form

Simple form	V-ing form
must I bilk? must you bilk? must he bilk? must we bilk? must you bilk? must they bilk?	must I be bilking? must you be bilking? must he be bilking? must we be bilking? must you be bilking? must they be bilking?
Perfect	V-ing perfect
must I have bilked? must you have bilked? must he have bilked? must we have bilked? must you have bilked? must they have bilked?	must I have been bilking? must you have been bilking? must he have been bilking? must we have been bilking? must you have been bilking? must they have been bilking?

Interro-negative form

Simple form	V-ing form
mustn't I bilk? mustn't you bilk? mustn't he bilk? mustn't we bilk? mustn't you bilk? mustn't they bilk?	mustn't I be bilking? mustn't you be bilking? mustn't he be bilking? mustn't we be bilking? mustn't you be bilking? mustn't they be bilking?
Perfect	V-ing perfect
mustn't I have bilked? mustn't you have bilked? mustn't he have bilked? mustn't we have bilked? mustn't you have bilked? mustn't they have bilked?	mustn't I have been bilking? mustn't you have been bilking? mustn't he have been bilking? mustn't we have been bilking? mustn't you have been bilking? mustn't they have been bilking?