English verb conjugation
CAN BROOD

Regular verb: brood - brooded - brooded

Affirmation

Simple form	V-ing form
I can brood you can brood he can brood we can brood you can brood they can brood	I can be brooding you can be brooding he can be brooding we can be brooding you can be brooding they can be brooding
Perfect	V-ing perfect
I can have brooded you can have brooded he can have brooded we can have brooded you can have brooded they can have brooded	I can have been brooding you can have been brooding he can have been brooding we can have been brooding you can have been brooding they can have been brooding

Negation

Simple form	V-ing form
I cannot brood you cannot brood he cannot brood we cannot brood you cannot brood they cannot brood	I cannot be brooding you cannot be brooding he cannot be brooding we cannot be brooding you cannot be brooding they cannot be brooding
Perfect	V-ing perfect
I cannot have brooded you cannot have brooded he cannot have brooded we cannot have brooded you cannot have brooded they cannot have brooded	I cannot have been brooding you cannot have been brooding he cannot have been brooding we cannot have been brooding you cannot have been brooding they cannot have been brooding

Interrogative form

Simple form	V-ing form
can I brood? can you brood? can he brood? can we brood? can you brood? can they brood?	can I be brooding? can you be brooding? can he be brooding? can we be brooding? can you be brooding? can they be brooding?
Perfect	V-ing perfect
can I have brooded? can you have brooded? can he have brooded? can we have brooded? can you have brooded? can they have brooded?	can I have been brooding? can you have been brooding? can he have been brooding? can we have been brooding? can you have been brooding? can they have been brooding?

Interro-negative form

Simple form	V-ing form
can I not brood? can you not brood? can he not brood? can we not brood? can you not brood? can they not brood?	can I not be brooding? can you not be brooding? can he not be brooding? can we not be brooding? can you not be brooding? can they not be brooding?
Perfect	V-ing perfect
can I not have brooded? can you not have brooded? can he not have brooded? can we not have brooded? can you not have brooded? can they not have brooded?	can I not have been brooding? can you not have been brooding? can he not have been brooding? can we not have been brooding? can you not have been brooding? can they not have been brooding?