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 can't point you can't point he can't point we can't point you can't point they can't point
V-ing form
I can't be pointing you can't be pointing he can't be pointing we can't be pointing you can't be pointing they can't be pointing
Perfect
I can't have pointed you can't have pointed he can't have pointed we can't have pointed you can't have pointed they can't have pointed
V-ing perfect
I can't have been pointing you can't have been pointing he can't have been pointing we can't have been pointing you can't have been pointing they can't 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't I point? can't you point? can't he point? can't we point? can't you point? can't they point?
V-ing form
can't I be pointing? can't you be pointing? can't he be pointing? can't we be pointing? can't you be pointing? can't they be pointing?
Perfect
can't I have pointed? can't you have pointed? can't he have pointed? can't we have pointed? can't you have pointed? can't they have pointed?
V-ing perfect
can't I have been pointing? can't you have been pointing? can't he have been pointing? can't we have been pointing? can't you have been pointing? can't they have been pointing?