could brick
Regular verb: brick - bricked- bricked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could brick
you could brick
she could brick
we could brick
you could brick
they could brick 	I could be bricking
you could be bricking
she could be bricking
we could be bricking
you could be bricking
they could be bricking	I could have bricked
you could have bricked
she could have bricked
we could have bricked
you could have bricked
they could have bricked	I could have been bricking
you could have been bricking
she could have been bricking
we could have been bricking
you could have been bricking
they could have been bricking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not brick
you could not brick
she could not brick
we could not brick
you could not brick
they could not brick 	I could not be bricking
you could not be bricking
she could not be bricking
we could not be bricking
you could not be bricking
they could not be bricking	I could not have bricked
you could not have bricked
she could not have bricked
we could not have bricked
you could not have bricked
they could not have bricked	I could not have been bricking
you could not have been bricking
she could not have been bricking
we could not have been bricking
you could not have been bricking
they could not have been bricking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I brick?
could you brick?
could she brick?
could we brick?
could you brick?
could they brick? 	could I be bricking?
could you be bricking?
could she be bricking?
could we be bricking?
could you be bricking?
could they be bricking? 	could I have bricked?
could you have bricked?
could she have bricked?
could we have bricked?
could you have bricked?
could they have bricked? 	could I have been bricking?
could you have been bricking?
could she have been bricking?
could we have been bricking?
could you have been bricking?
could they have been bricking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not brick?
could you not brick?
could she not brick?
could we not brick?
could you not brick?
could they not brick? 	could I not be bricking?
could you not be bricking?
could she not be bricking?
could we not be bricking?
could you not be bricking?
could they not be bricking? 	could I not have bricked?
could you not have bricked?
could she not have bricked?
could we not have bricked?
could you not have bricked?
could they not have bricked? 	could I not have been bricking?
could you not have been bricking?
could she not have been bricking?
could we not have been bricking?
could you not have been bricking?
could they not have been bricking?