I could fabricate you could fabricate he could fabricate we could fabricate you could fabricate they could fabricate
V-ing form
I could be fabricating you could be fabricating he could be fabricating we could be fabricating you could be fabricating they could be fabricating
Perfect
I could have fabricated you could have fabricated he could have fabricated we could have fabricated you could have fabricated they could have fabricated
V-ing perfect
I could have been fabricating you could have been fabricating he could have been fabricating we could have been fabricating you could have been fabricating they could have been fabricating
Negation
Simple form
I could not fabricate you could not fabricate he could not fabricate we could not fabricate you could not fabricate they could not fabricate
V-ing form
I could not be fabricating you could not be fabricating he could not be fabricating we could not be fabricating you could not be fabricating they could not be fabricating
Perfect
I could not have fabricated you could not have fabricated he could not have fabricated we could not have fabricated you could not have fabricated they could not have fabricated
V-ing perfect
I could not have been fabricating you could not have been fabricating he could not have been fabricating we could not have been fabricating you could not have been fabricating they could not have been fabricating
Interrogative form
Simple form
could I fabricate? could you fabricate? could he fabricate? could we fabricate? could you fabricate? could they fabricate?
V-ing form
could I be fabricating? could you be fabricating? could he be fabricating? could we be fabricating? could you be fabricating? could they be fabricating?
Perfect
could I have fabricated? could you have fabricated? could he have fabricated? could we have fabricated? could you have fabricated? could they have fabricated?
V-ing perfect
could I have been fabricating? could you have been fabricating? could he have been fabricating? could we have been fabricating? could you have been fabricating? could they have been fabricating?
Interro-negative form
Simple form
could I not fabricate? could you not fabricate? could he not fabricate? could we not fabricate? could you not fabricate? could they not fabricate?
V-ing form
could I not be fabricating? could you not be fabricating? could he not be fabricating? could we not be fabricating? could you not be fabricating? could they not be fabricating?
Perfect
could I not have fabricated? could you not have fabricated? could he not have fabricated? could we not have fabricated? could you not have fabricated? could they not have fabricated?
V-ing perfect
could I not have been fabricating? could you not have been fabricating? could he not have been fabricating? could we not have been fabricating? could you not have been fabricating? could they not have been fabricating?