could spray
Regular verb: spray - sprayed- sprayed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could spray
you could spray
she could spray
we could spray
you could spray
they could spray 	I could be spraying
you could be spraying
she could be spraying
we could be spraying
you could be spraying
they could be spraying	I could have sprayed
you could have sprayed
she 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
she 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 couldn't spray
you couldn't spray
she couldn't spray
we couldn't spray
you couldn't spray
they couldn't spray 	I couldn't be spraying
you couldn't be spraying
she couldn't be spraying
we couldn't be spraying
you couldn't be spraying
they couldn't be spraying	I couldn't have sprayed
you couldn't have sprayed
she couldn't have sprayed
we couldn't have sprayed
you couldn't have sprayed
they couldn't have sprayed	I couldn't have been spraying
you couldn't have been spraying
she couldn't have been spraying
we couldn't have been spraying
you couldn't have been spraying
they couldn't have been spraying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I spray?
could you spray?
could she spray?
could we spray?
could you spray?
could they spray? 	could I be spraying?
could you be spraying?
could she be spraying?
could we be spraying?
could you be spraying?
could they be spraying? 	could I have sprayed?
could you have sprayed?
could she 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 she 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 	
couldn't I spray?
couldn't you spray?
couldn't she spray?
couldn't we spray?
couldn't you spray?
couldn't they spray? 	couldn't I be spraying?
couldn't you be spraying?
couldn't she be spraying?
couldn't we be spraying?
couldn't you be spraying?
couldn't they be spraying? 	couldn't I have sprayed?
couldn't you have sprayed?
couldn't she have sprayed?
couldn't we have sprayed?
couldn't you have sprayed?
couldn't they have sprayed? 	couldn't I have been spraying?
couldn't you have been spraying?
couldn't she have been spraying?
couldn't we have been spraying?
couldn't you have been spraying?
couldn't they have been spraying?