can brood
Regular verb: brood - brooded- brooded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
I can't brood
you can't brood
he can't brood
we can't brood
you can't brood
they can't brood 	I can't be brooding
you can't be brooding
he can't be brooding
we can't be brooding
you can't be brooding
they can't be brooding	I can't have brooded
you can't have brooded
he can't have brooded
we can't have brooded
you can't have brooded
they can't have brooded	I can't have been brooding
you can't have been brooding
he can't have been brooding
we can't have been brooding
you can't have been brooding
they can't have been brooding	

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