English verb conjugation
COULD BROOK

Regular verb: brook - brooked - brooked

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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