English verb conjugation
MUST BROOK

Regular verb: brook - brooked - brooked

Affirmation

Simple form	V-ing form
I must brook you must brook he must brook we must brook you must brook they must brook	I must be brooking you must be brooking he must be brooking we must be brooking you must be brooking they must be brooking
Perfect	V-ing perfect
I must have brooked you must have brooked he must have brooked we must have brooked you must have brooked they must have brooked	I must have been brooking you must have been brooking he must have been brooking we must have been brooking you must have been brooking they must have been brooking

Negation

Simple form	V-ing form
I must not brook you must not brook he must not brook we must not brook you must not brook they must not brook	I must not be brooking you must not be brooking he must not be brooking we must not be brooking you must not be brooking they must not be brooking
Perfect	V-ing perfect
I must not have brooked you must not have brooked he must not have brooked we must not have brooked you must not have brooked they must not have brooked	I must not have been brooking you must not have been brooking he must not have been brooking we must not have been brooking you must not have been brooking they must not have been brooking

Interrogative form

Simple form	V-ing form
must I brook? must you brook? must he brook? must we brook? must you brook? must they brook?	must I be brooking? must you be brooking? must he be brooking? must we be brooking? must you be brooking? must they be brooking?
Perfect	V-ing perfect
must I have brooked? must you have brooked? must he have brooked? must we have brooked? must you have brooked? must they have brooked?	must I have been brooking? must you have been brooking? must he have been brooking? must we have been brooking? must you have been brooking? must they have been brooking?

Interro-negative form

Simple form	V-ing form
must I not brook? must you not brook? must he not brook? must we not brook? must you not brook? must they not brook?	must I not be brooking? must you not be brooking? must he not be brooking? must we not be brooking? must you not be brooking? must they not be brooking?
Perfect	V-ing perfect
must I not have brooked? must you not have brooked? must he not have brooked? must we not have brooked? must you not have brooked? must they not have brooked?	must I not have been brooking? must you not have been brooking? must he not have been brooking? must we not have been brooking? must you not have been brooking? must they not have been brooking?