I could pan-fry you could pan-fry he could pan-fry we could pan-fry you could pan-fry they could pan-fry
V-ing form
I could be pan-frying you could be pan-frying he could be pan-frying we could be pan-frying you could be pan-frying they could be pan-frying
Perfect
I could have pan-fried you could have pan-fried he could have pan-fried we could have pan-fried you could have pan-fried they could have pan-fried
V-ing perfect
I could have been pan-frying you could have been pan-frying he could have been pan-frying we could have been pan-frying you could have been pan-frying they could have been pan-frying
Negation
Simple form
I could not pan-fry you could not pan-fry he could not pan-fry we could not pan-fry you could not pan-fry they could not pan-fry
V-ing form
I could not be pan-frying you could not be pan-frying he could not be pan-frying we could not be pan-frying you could not be pan-frying they could not be pan-frying
Perfect
I could not have pan-fried you could not have pan-fried he could not have pan-fried we could not have pan-fried you could not have pan-fried they could not have pan-fried
V-ing perfect
I could not have been pan-frying you could not have been pan-frying he could not have been pan-frying we could not have been pan-frying you could not have been pan-frying they could not have been pan-frying
Interrogative form
Simple form
could I pan-fry? could you pan-fry? could he pan-fry? could we pan-fry? could you pan-fry? could they pan-fry?
V-ing form
could I be pan-frying? could you be pan-frying? could he be pan-frying? could we be pan-frying? could you be pan-frying? could they be pan-frying?
Perfect
could I have pan-fried? could you have pan-fried? could he have pan-fried? could we have pan-fried? could you have pan-fried? could they have pan-fried?
V-ing perfect
could I have been pan-frying? could you have been pan-frying? could he have been pan-frying? could we have been pan-frying? could you have been pan-frying? could they have been pan-frying?
Interro-negative form
Simple form
could I not pan-fry? could you not pan-fry? could he not pan-fry? could we not pan-fry? could you not pan-fry? could they not pan-fry?
V-ing form
could I not be pan-frying? could you not be pan-frying? could he not be pan-frying? could we not be pan-frying? could you not be pan-frying? could they not be pan-frying?
Perfect
could I not have pan-fried? could you not have pan-fried? could he not have pan-fried? could we not have pan-fried? could you not have pan-fried? could they not have pan-fried?
V-ing perfect
could I not have been pan-frying? could you not have been pan-frying? could he not have been pan-frying? could we not have been pan-frying? could you not have been pan-frying? could they not have been pan-frying?