English verb conjugation
COULD SPRAY

Regular verb: spray - sprayed - sprayed

Affirmation

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