I can brook you can brook he can brook we can brook you can brook they can brook
V-ing form
I can be brooking you can be brooking he can be brooking we can be brooking you can be brooking they can be brooking
Perfect
I can have brooked you can have brooked he can have brooked we can have brooked you can have brooked they can have brooked
V-ing perfect
I can have been brooking you can have been brooking he can have been brooking we can have been brooking you can have been brooking they can have been brooking
Negation
Simple form
I can't brook you can't brook he can't brook we can't brook you can't brook they can't brook
V-ing form
I can't be brooking you can't be brooking he can't be brooking we can't be brooking you can't be brooking they can't be brooking
Perfect
I can't have brooked you can't have brooked he can't have brooked we can't have brooked you can't have brooked they can't have brooked
V-ing perfect
I can't have been brooking you can't have been brooking he can't have been brooking we can't have been brooking you can't have been brooking they can't have been brooking
Interrogative form
Simple form
can I brook? can you brook? can he brook? can we brook? can you brook? can they brook?
V-ing form
can I be brooking? can you be brooking? can he be brooking? can we be brooking? can you be brooking? can they be brooking?
Perfect
can I have brooked? can you have brooked? can he have brooked? can we have brooked? can you have brooked? can they have brooked?
V-ing perfect
can I have been brooking? can you have been brooking? can he have been brooking? can we have been brooking? can you have been brooking? can they have been brooking?
Interro-negative form
Simple form
can't I brook? can't you brook? can't he brook? can't we brook? can't you brook? can't they brook?
V-ing form
can't I be brooking? can't you be brooking? can't he be brooking? can't we be brooking? can't you be brooking? can't they be brooking?
Perfect
can't I have brooked? can't you have brooked? can't he have brooked? can't we have brooked? can't you have brooked? can't they have brooked?
V-ing perfect
can't I have been brooking? can't you have been brooking? can't he have been brooking? can't we have been brooking? can't you have been brooking? can't they have been brooking?