English verb conjugation
MUST STOOK

Regular verb: stook - stooked - stooked

Affirmation

Simple form	V-ing form
I must stook you must stook he must stook we must stook you must stook they must stook	I must be stooking you must be stooking he must be stooking we must be stooking you must be stooking they must be stooking
Perfect	V-ing perfect
I must have stooked you must have stooked he must have stooked we must have stooked you must have stooked they must have stooked	I must have been stooking you must have been stooking he must have been stooking we must have been stooking you must have been stooking they must have been stooking

Negation

Simple form	V-ing form
I must not stook you must not stook he must not stook we must not stook you must not stook they must not stook	I must not be stooking you must not be stooking he must not be stooking we must not be stooking you must not be stooking they must not be stooking
Perfect	V-ing perfect
I must not have stooked you must not have stooked he must not have stooked we must not have stooked you must not have stooked they must not have stooked	I must not have been stooking you must not have been stooking he must not have been stooking we must not have been stooking you must not have been stooking they must not have been stooking

Interrogative form

Simple form	V-ing form
must I stook? must you stook? must he stook? must we stook? must you stook? must they stook?	must I be stooking? must you be stooking? must he be stooking? must we be stooking? must you be stooking? must they be stooking?
Perfect	V-ing perfect
must I have stooked? must you have stooked? must he have stooked? must we have stooked? must you have stooked? must they have stooked?	must I have been stooking? must you have been stooking? must he have been stooking? must we have been stooking? must you have been stooking? must they have been stooking?

Interro-negative form

Simple form	V-ing form
must I not stook? must you not stook? must he not stook? must we not stook? must you not stook? must they not stook?	must I not be stooking? must you not be stooking? must he not be stooking? must we not be stooking? must you not be stooking? must they not be stooking?
Perfect	V-ing perfect
must I not have stooked? must you not have stooked? must he not have stooked? must we not have stooked? must you not have stooked? must they not have stooked?	must I not have been stooking? must you not have been stooking? must he not have been stooking? must we not have been stooking? must you not have been stooking? must they not have been stooking?