I could point you could point he could point we could point you could point they could point
V-ing form
I could be pointing you could be pointing he could be pointing we could be pointing you could be pointing they could be pointing
Perfect
I could have pointed you could have pointed he could have pointed we could have pointed you could have pointed they could have pointed
V-ing perfect
I could have been pointing you could have been pointing he could have been pointing we could have been pointing you could have been pointing they could have been pointing
Negation
Simple form
I could not point you could not point he could not point we could not point you could not point they could not point
V-ing form
I could not be pointing you could not be pointing he could not be pointing we could not be pointing you could not be pointing they could not be pointing
Perfect
I could not have pointed you could not have pointed he could not have pointed we could not have pointed you could not have pointed they could not have pointed
V-ing perfect
I could not have been pointing you could not have been pointing he could not have been pointing we could not have been pointing you could not have been pointing they could not have been pointing
Interrogative form
Simple form
could I point? could you point? could he point? could we point? could you point? could they point?
V-ing form
could I be pointing? could you be pointing? could he be pointing? could we be pointing? could you be pointing? could they be pointing?
Perfect
could I have pointed? could you have pointed? could he have pointed? could we have pointed? could you have pointed? could they have pointed?
V-ing perfect
could I have been pointing? could you have been pointing? could he have been pointing? could we have been pointing? could you have been pointing? could they have been pointing?
Interro-negative form
Simple form
could I not point? could you not point? could he not point? could we not point? could you not point? could they not point?
V-ing form
could I not be pointing? could you not be pointing? could he not be pointing? could we not be pointing? could you not be pointing? could they not be pointing?
Perfect
could I not have pointed? could you not have pointed? could he not have pointed? could we not have pointed? could you not have pointed? could they not have pointed?
V-ing perfect
could I not have been pointing? could you not have been pointing? could he not have been pointing? could we not have been pointing? could you not have been pointing? could they not have been pointing?