I could delight you could delight he could delight we could delight you could delight they could delight
V-ing form
I could be delighting you could be delighting he could be delighting we could be delighting you could be delighting they could be delighting
Perfect
I could have delighted you could have delighted he could have delighted we could have delighted you could have delighted they could have delighted
V-ing perfect
I could have been delighting you could have been delighting he could have been delighting we could have been delighting you could have been delighting they could have been delighting
Negation
Simple form
I could not delight you could not delight he could not delight we could not delight you could not delight they could not delight
V-ing form
I could not be delighting you could not be delighting he could not be delighting we could not be delighting you could not be delighting they could not be delighting
Perfect
I could not have delighted you could not have delighted he could not have delighted we could not have delighted you could not have delighted they could not have delighted
V-ing perfect
I could not have been delighting you could not have been delighting he could not have been delighting we could not have been delighting you could not have been delighting they could not have been delighting
Interrogative form
Simple form
could I delight? could you delight? could he delight? could we delight? could you delight? could they delight?
V-ing form
could I be delighting? could you be delighting? could he be delighting? could we be delighting? could you be delighting? could they be delighting?
Perfect
could I have delighted? could you have delighted? could he have delighted? could we have delighted? could you have delighted? could they have delighted?
V-ing perfect
could I have been delighting? could you have been delighting? could he have been delighting? could we have been delighting? could you have been delighting? could they have been delighting?
Interro-negative form
Simple form
could I not delight? could you not delight? could he not delight? could we not delight? could you not delight? could they not delight?
V-ing form
could I not be delighting? could you not be delighting? could he not be delighting? could we not be delighting? could you not be delighting? could they not be delighting?
Perfect
could I not have delighted? could you not have delighted? could he not have delighted? could we not have delighted? could you not have delighted? could they not have delighted?
V-ing perfect
could I not have been delighting? could you not have been delighting? could he not have been delighting? could we not have been delighting? could you not have been delighting? could they not have been delighting?