English verb conjugation
MUST CHIN

Regular verb: chin - chined - chined

Affirmation

Simple form	V-ing form
I must chin you must chin he must chin we must chin you must chin they must chin	I must be chining you must be chining he must be chining we must be chining you must be chining they must be chining
Perfect	V-ing perfect
I must have chined you must have chined he must have chined we must have chined you must have chined they must have chined	I must have been chining you must have been chining he must have been chining we must have been chining you must have been chining they must have been chining

Negation

Simple form	V-ing form
I must not chin you must not chin he must not chin we must not chin you must not chin they must not chin	I must not be chining you must not be chining he must not be chining we must not be chining you must not be chining they must not be chining
Perfect	V-ing perfect
I must not have chined you must not have chined he must not have chined we must not have chined you must not have chined they must not have chined	I must not have been chining you must not have been chining he must not have been chining we must not have been chining you must not have been chining they must not have been chining

Interrogative form

Simple form	V-ing form
must I chin? must you chin? must he chin? must we chin? must you chin? must they chin?	must I be chining? must you be chining? must he be chining? must we be chining? must you be chining? must they be chining?
Perfect	V-ing perfect
must I have chined? must you have chined? must he have chined? must we have chined? must you have chined? must they have chined?	must I have been chining? must you have been chining? must he have been chining? must we have been chining? must you have been chining? must they have been chining?

Interro-negative form

Simple form	V-ing form
must I not chin? must you not chin? must he not chin? must we not chin? must you not chin? must they not chin?	must I not be chining? must you not be chining? must he not be chining? must we not be chining? must you not be chining? must they not be chining?
Perfect	V-ing perfect
must I not have chined? must you not have chined? must he not have chined? must we not have chined? must you not have chined? must they not have chined?	must I not have been chining? must you not have been chining? must he not have been chining? must we not have been chining? must you not have been chining? must they not have been chining?