could raid
Regular verb: raid - raided- raided

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could raid
you could raid
he could raid
we could raid
you could raid
they could raid 	I could be raiding
you could be raiding
he could be raiding
we could be raiding
you could be raiding
they could be raiding	I could have raided
you could have raided
he could have raided
we could have raided
you could have raided
they could have raided	I could have been raiding
you could have been raiding
he could have been raiding
we could have been raiding
you could have been raiding
they could have been raiding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't raid
you couldn't raid
he couldn't raid
we couldn't raid
you couldn't raid
they couldn't raid 	I couldn't be raiding
you couldn't be raiding
he couldn't be raiding
we couldn't be raiding
you couldn't be raiding
they couldn't be raiding	I couldn't have raided
you couldn't have raided
he couldn't have raided
we couldn't have raided
you couldn't have raided
they couldn't have raided	I couldn't have been raiding
you couldn't have been raiding
he couldn't have been raiding
we couldn't have been raiding
you couldn't have been raiding
they couldn't have been raiding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I raid?
could you raid?
could he raid?
could we raid?
could you raid?
could they raid? 	could I be raiding?
could you be raiding?
could he be raiding?
could we be raiding?
could you be raiding?
could they be raiding? 	could I have raided?
could you have raided?
could he have raided?
could we have raided?
could you have raided?
could they have raided? 	could I have been raiding?
could you have been raiding?
could he have been raiding?
could we have been raiding?
could you have been raiding?
could they have been raiding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I raid?
couldn't you raid?
couldn't he raid?
couldn't we raid?
couldn't you raid?
couldn't they raid? 	couldn't I be raiding?
couldn't you be raiding?
couldn't he be raiding?
couldn't we be raiding?
couldn't you be raiding?
couldn't they be raiding? 	couldn't I have raided?
couldn't you have raided?
couldn't he have raided?
couldn't we have raided?
couldn't you have raided?
couldn't they have raided? 	couldn't I have been raiding?
couldn't you have been raiding?
couldn't he have been raiding?
couldn't we have been raiding?
couldn't you have been raiding?
couldn't they have been raiding?