I could weave you could weave he could weave we could weave you could weave they could weave
V-ing form
I could be weaving you could be weaving he could be weaving we could be weaving you could be weaving they could be weaving
Perfect
I could have woven you could have woven he could have woven we could have woven you could have woven they could have woven
V-ing perfect
I could have been weaving you could have been weaving he could have been weaving we could have been weaving you could have been weaving they could have been weaving
Negation
Simple form
I could not weave you could not weave he could not weave we could not weave you could not weave they could not weave
V-ing form
I could not be weaving you could not be weaving he could not be weaving we could not be weaving you could not be weaving they could not be weaving
Perfect
I could not have woven you could not have woven he could not have woven we could not have woven you could not have woven they could not have woven
V-ing perfect
I could not have been weaving you could not have been weaving he could not have been weaving we could not have been weaving you could not have been weaving they could not have been weaving
Interrogative form
Simple form
could I weave? could you weave? could he weave? could we weave? could you weave? could they weave?
V-ing form
could I be weaving? could you be weaving? could he be weaving? could we be weaving? could you be weaving? could they be weaving?
Perfect
could I have woven? could you have woven? could he have woven? could we have woven? could you have woven? could they have woven?
V-ing perfect
could I have been weaving? could you have been weaving? could he have been weaving? could we have been weaving? could you have been weaving? could they have been weaving?
Interro-negative form
Simple form
could I not weave? could you not weave? could he not weave? could we not weave? could you not weave? could they not weave?
V-ing form
could I not be weaving? could you not be weaving? could he not be weaving? could we not be weaving? could you not be weaving? could they not be weaving?
Perfect
could I not have woven? could you not have woven? could he not have woven? could we not have woven? could you not have woven? could they not have woven?
V-ing perfect
could I not have been weaving? could you not have been weaving? could he not have been weaving? could we not have been weaving? could you not have been weaving? could they not have been weaving?