English verb conjugation
MUST STOOK

Regular verb: stook - stooked - stooked

Affirmation

Simple form	V-ing form
I must stook you must stook she must stook we must stook you must stook they must stook	I must be stooking you must be stooking she 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 she 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 she 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 mustn't stook you mustn't stook she mustn't stook we mustn't stook you mustn't stook they mustn't stook	I mustn't be stooking you mustn't be stooking she mustn't be stooking we mustn't be stooking you mustn't be stooking they mustn't be stooking
Perfect	V-ing perfect
I mustn't have stooked you mustn't have stooked she mustn't have stooked we mustn't have stooked you mustn't have stooked they mustn't have stooked	I mustn't have been stooking you mustn't have been stooking she mustn't have been stooking we mustn't have been stooking you mustn't have been stooking they mustn't have been stooking

Interrogative form

Simple form	V-ing form
must I stook? must you stook? must she stook? must we stook? must you stook? must they stook?	must I be stooking? must you be stooking? must she 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 she 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 she 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
mustn't I stook? mustn't you stook? mustn't she stook? mustn't we stook? mustn't you stook? mustn't they stook?	mustn't I be stooking? mustn't you be stooking? mustn't she be stooking? mustn't we be stooking? mustn't you be stooking? mustn't they be stooking?
Perfect	V-ing perfect
mustn't I have stooked? mustn't you have stooked? mustn't she have stooked? mustn't we have stooked? mustn't you have stooked? mustn't they have stooked?	mustn't I have been stooking? mustn't you have been stooking? mustn't she have been stooking? mustn't we have been stooking? mustn't you have been stooking? mustn't they have been stooking?