I could lesion you could lesion he could lesion we could lesion you could lesion they could lesion
V-ing form
I could be lesioning you could be lesioning he could be lesioning we could be lesioning you could be lesioning they could be lesioning
Perfect
I could have lesioned you could have lesioned he could have lesioned we could have lesioned you could have lesioned they could have lesioned
V-ing perfect
I could have been lesioning you could have been lesioning he could have been lesioning we could have been lesioning you could have been lesioning they could have been lesioning
Negation
Simple form
I could not lesion you could not lesion he could not lesion we could not lesion you could not lesion they could not lesion
V-ing form
I could not be lesioning you could not be lesioning he could not be lesioning we could not be lesioning you could not be lesioning they could not be lesioning
Perfect
I could not have lesioned you could not have lesioned he could not have lesioned we could not have lesioned you could not have lesioned they could not have lesioned
V-ing perfect
I could not have been lesioning you could not have been lesioning he could not have been lesioning we could not have been lesioning you could not have been lesioning they could not have been lesioning
Interrogative form
Simple form
could I lesion? could you lesion? could he lesion? could we lesion? could you lesion? could they lesion?
V-ing form
could I be lesioning? could you be lesioning? could he be lesioning? could we be lesioning? could you be lesioning? could they be lesioning?
Perfect
could I have lesioned? could you have lesioned? could he have lesioned? could we have lesioned? could you have lesioned? could they have lesioned?
V-ing perfect
could I have been lesioning? could you have been lesioning? could he have been lesioning? could we have been lesioning? could you have been lesioning? could they have been lesioning?
Interro-negative form
Simple form
could I not lesion? could you not lesion? could he not lesion? could we not lesion? could you not lesion? could they not lesion?
V-ing form
could I not be lesioning? could you not be lesioning? could he not be lesioning? could we not be lesioning? could you not be lesioning? could they not be lesioning?
Perfect
could I not have lesioned? could you not have lesioned? could he not have lesioned? could we not have lesioned? could you not have lesioned? could they not have lesioned?
V-ing perfect
could I not have been lesioning? could you not have been lesioning? could he not have been lesioning? could we not have been lesioning? could you not have been lesioning? could they not have been lesioning?