English verb conjugation
COULD X-RAY

Regular verb: x-ray - x-rayed - x-rayed

Affirmation

Simple form	V-ing form
I could x-ray you could x-ray he could x-ray we could x-ray you could x-ray they could x-ray	I could be x-raying you could be x-raying he could be x-raying we could be x-raying you could be x-raying they could be x-raying
Perfect	V-ing perfect
I could have x-rayed you could have x-rayed he could have x-rayed we could have x-rayed you could have x-rayed they could have x-rayed	I could have been x-raying you could have been x-raying he could have been x-raying we could have been x-raying you could have been x-raying they could have been x-raying

Negation

Simple form	V-ing form
I could not x-ray you could not x-ray he could not x-ray we could not x-ray you could not x-ray they could not x-ray	I could not be x-raying you could not be x-raying he could not be x-raying we could not be x-raying you could not be x-raying they could not be x-raying
Perfect	V-ing perfect
I could not have x-rayed you could not have x-rayed he could not have x-rayed we could not have x-rayed you could not have x-rayed they could not have x-rayed	I could not have been x-raying you could not have been x-raying he could not have been x-raying we could not have been x-raying you could not have been x-raying they could not have been x-raying

Interrogative form

Simple form	V-ing form
could I x-ray? could you x-ray? could he x-ray? could we x-ray? could you x-ray? could they x-ray?	could I be x-raying? could you be x-raying? could he be x-raying? could we be x-raying? could you be x-raying? could they be x-raying?
Perfect	V-ing perfect
could I have x-rayed? could you have x-rayed? could he have x-rayed? could we have x-rayed? could you have x-rayed? could they have x-rayed?	could I have been x-raying? could you have been x-raying? could he have been x-raying? could we have been x-raying? could you have been x-raying? could they have been x-raying?

Interro-negative form

Simple form	V-ing form
could I not x-ray? could you not x-ray? could he not x-ray? could we not x-ray? could you not x-ray? could they not x-ray?	could I not be x-raying? could you not be x-raying? could he not be x-raying? could we not be x-raying? could you not be x-raying? could they not be x-raying?
Perfect	V-ing perfect
could I not have x-rayed? could you not have x-rayed? could he not have x-rayed? could we not have x-rayed? could you not have x-rayed? could they not have x-rayed?	could I not have been x-raying? could you not have been x-raying? could he not have been x-raying? could we not have been x-raying? could you not have been x-raying? could they not have been x-raying?