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