English verb conjugation
MUST SPOOK

Regular verb: spook - spooked - spooked

Affirmation

Simple form	V-ing form
I must spook you must spook he must spook we must spook you must spook they must spook	I must be spooking you must be spooking he must be spooking we must be spooking you must be spooking they must be spooking
Perfect	V-ing perfect
I must have spooked you must have spooked he must have spooked we must have spooked you must have spooked they must have spooked	I must have been spooking you must have been spooking he must have been spooking we must have been spooking you must have been spooking they must have been spooking

Negation

Simple form	V-ing form
I must not spook you must not spook he must not spook we must not spook you must not spook they must not spook	I must not be spooking you must not be spooking he must not be spooking we must not be spooking you must not be spooking they must not be spooking
Perfect	V-ing perfect
I must not have spooked you must not have spooked he must not have spooked we must not have spooked you must not have spooked they must not have spooked	I must not have been spooking you must not have been spooking he must not have been spooking we must not have been spooking you must not have been spooking they must not have been spooking

Interrogative form

Simple form	V-ing form
must I spook? must you spook? must he spook? must we spook? must you spook? must they spook?	must I be spooking? must you be spooking? must he be spooking? must we be spooking? must you be spooking? must they be spooking?
Perfect	V-ing perfect
must I have spooked? must you have spooked? must he have spooked? must we have spooked? must you have spooked? must they have spooked?	must I have been spooking? must you have been spooking? must he have been spooking? must we have been spooking? must you have been spooking? must they have been spooking?

Interro-negative form

Simple form	V-ing form
must I not spook? must you not spook? must he not spook? must we not spook? must you not spook? must they not spook?	must I not be spooking? must you not be spooking? must he not be spooking? must we not be spooking? must you not be spooking? must they not be spooking?
Perfect	V-ing perfect
must I not have spooked? must you not have spooked? must he not have spooked? must we not have spooked? must you not have spooked? must they not have spooked?	must I not have been spooking? must you not have been spooking? must he not have been spooking? must we not have been spooking? must you not have been spooking? must they not have been spooking?