could spray
Regular verb: spray - sprayed- sprayed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could spray
you could spray
he could spray
we could spray
you could spray
they could spray 	I could be spraying
you could be spraying
he could be spraying
we could be spraying
you could be spraying
they could be spraying	I could have sprayed
you could have sprayed
he could have sprayed
we could have sprayed
you could have sprayed
they could have sprayed	I could have been spraying
you could have been spraying
he could have been spraying
we could have been spraying
you could have been spraying
they could have been spraying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not spray
you could not spray
he could not spray
we could not spray
you could not spray
they could not spray 	I could not be spraying
you could not be spraying
he could not be spraying
we could not be spraying
you could not be spraying
they could not be spraying	I could not have sprayed
you could not have sprayed
he could not have sprayed
we could not have sprayed
you could not have sprayed
they could not have sprayed	I could not have been spraying
you could not have been spraying
he could not have been spraying
we could not have been spraying
you could not have been spraying
they could not have been spraying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I spray?
could you spray?
could he spray?
could we spray?
could you spray?
could they spray? 	could I be spraying?
could you be spraying?
could he be spraying?
could we be spraying?
could you be spraying?
could they be spraying? 	could I have sprayed?
could you have sprayed?
could he have sprayed?
could we have sprayed?
could you have sprayed?
could they have sprayed? 	could I have been spraying?
could you have been spraying?
could he have been spraying?
could we have been spraying?
could you have been spraying?
could they have been spraying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not spray?
could you not spray?
could he not spray?
could we not spray?
could you not spray?
could they not spray? 	could I not be spraying?
could you not be spraying?
could he not be spraying?
could we not be spraying?
could you not be spraying?
could they not be spraying? 	could I not have sprayed?
could you not have sprayed?
could he not have sprayed?
could we not have sprayed?
could you not have sprayed?
could they not have sprayed? 	could I not have been spraying?
could you not have been spraying?
could he not have been spraying?
could we not have been spraying?
could you not have been spraying?
could they not have been spraying?