I could akylate you could akylate he could akylate we could akylate you could akylate they could akylate
V-ing form
I could be akylating you could be akylating he could be akylating we could be akylating you could be akylating they could be akylating
Perfect
I could have akylated you could have akylated he could have akylated we could have akylated you could have akylated they could have akylated
V-ing perfect
I could have been akylating you could have been akylating he could have been akylating we could have been akylating you could have been akylating they could have been akylating
Negation
Simple form
I could not akylate you could not akylate he could not akylate we could not akylate you could not akylate they could not akylate
V-ing form
I could not be akylating you could not be akylating he could not be akylating we could not be akylating you could not be akylating they could not be akylating
Perfect
I could not have akylated you could not have akylated he could not have akylated we could not have akylated you could not have akylated they could not have akylated
V-ing perfect
I could not have been akylating you could not have been akylating he could not have been akylating we could not have been akylating you could not have been akylating they could not have been akylating
Interrogative form
Simple form
could I akylate? could you akylate? could he akylate? could we akylate? could you akylate? could they akylate?
V-ing form
could I be akylating? could you be akylating? could he be akylating? could we be akylating? could you be akylating? could they be akylating?
Perfect
could I have akylated? could you have akylated? could he have akylated? could we have akylated? could you have akylated? could they have akylated?
V-ing perfect
could I have been akylating? could you have been akylating? could he have been akylating? could we have been akylating? could you have been akylating? could they have been akylating?
Interro-negative form
Simple form
could I not akylate? could you not akylate? could he not akylate? could we not akylate? could you not akylate? could they not akylate?
V-ing form
could I not be akylating? could you not be akylating? could he not be akylating? could we not be akylating? could you not be akylating? could they not be akylating?
Perfect
could I not have akylated? could you not have akylated? could he not have akylated? could we not have akylated? could you not have akylated? could they not have akylated?
V-ing perfect
could I not have been akylating? could you not have been akylating? could he not have been akylating? could we not have been akylating? could you not have been akylating? could they not have been akylating?