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