could prey
Regular verb: prey - preyed- preyed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could prey
you could prey
he could prey
we could prey
you could prey
they could prey 	I could be preying
you could be preying
he could be preying
we could be preying
you could be preying
they could be preying	I could have preyed
you could have preyed
he could have preyed
we could have preyed
you could have preyed
they could have preyed	I could have been preying
you could have been preying
he could have been preying
we could have been preying
you could have been preying
they could have been preying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't prey
you couldn't prey
he couldn't prey
we couldn't prey
you couldn't prey
they couldn't prey 	I couldn't be preying
you couldn't be preying
he couldn't be preying
we couldn't be preying
you couldn't be preying
they couldn't be preying	I couldn't have preyed
you couldn't have preyed
he couldn't have preyed
we couldn't have preyed
you couldn't have preyed
they couldn't have preyed	I couldn't have been preying
you couldn't have been preying
he couldn't have been preying
we couldn't have been preying
you couldn't have been preying
they couldn't have been preying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I prey?
could you prey?
could he prey?
could we prey?
could you prey?
could they prey? 	could I be preying?
could you be preying?
could he be preying?
could we be preying?
could you be preying?
could they be preying? 	could I have preyed?
could you have preyed?
could he have preyed?
could we have preyed?
could you have preyed?
could they have preyed? 	could I have been preying?
could you have been preying?
could he have been preying?
could we have been preying?
could you have been preying?
could they have been preying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I prey?
couldn't you prey?
couldn't he prey?
couldn't we prey?
couldn't you prey?
couldn't they prey? 	couldn't I be preying?
couldn't you be preying?
couldn't he be preying?
couldn't we be preying?
couldn't you be preying?
couldn't they be preying? 	couldn't I have preyed?
couldn't you have preyed?
couldn't he have preyed?
couldn't we have preyed?
couldn't you have preyed?
couldn't they have preyed? 	couldn't I have been preying?
couldn't you have been preying?
couldn't he have been preying?
couldn't we have been preying?
couldn't you have been preying?
couldn't they have been preying?