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 mustn't brook you mustn't brook he mustn't brook we mustn't brook you mustn't brook they mustn't brook	I mustn't be brooking you mustn't be brooking he mustn't be brooking we mustn't be brooking you mustn't be brooking they mustn't be brooking
Perfect	V-ing perfect
I mustn't have brooked you mustn't have brooked he mustn't have brooked we mustn't have brooked you mustn't have brooked they mustn't have brooked	I mustn't have been brooking you mustn't have been brooking he mustn't have been brooking we mustn't have been brooking you mustn't have been brooking they mustn't 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
mustn't I brook? mustn't you brook? mustn't he brook? mustn't we brook? mustn't you brook? mustn't they brook?	mustn't I be brooking? mustn't you be brooking? mustn't he be brooking? mustn't we be brooking? mustn't you be brooking? mustn't they be brooking?
Perfect	V-ing perfect
mustn't I have brooked? mustn't you have brooked? mustn't he have brooked? mustn't we have brooked? mustn't you have brooked? mustn't they have brooked?	mustn't I have been brooking? mustn't you have been brooking? mustn't he have been brooking? mustn't we have been brooking? mustn't you have been brooking? mustn't they have been brooking?