I can slay you can slay he can slay we can slay you can slay they can slay
V-ing form
I can be slaying you can be slaying he can be slaying we can be slaying you can be slaying they can be slaying
Perfect
I can have slain you can have slain he can have slain we can have slain you can have slain they can have slain
V-ing perfect
I can have been slaying you can have been slaying he can have been slaying we can have been slaying you can have been slaying they can have been slaying
Negation
Simple form
I cannot slay you cannot slay he cannot slay we cannot slay you cannot slay they cannot slay
V-ing form
I cannot be slaying you cannot be slaying he cannot be slaying we cannot be slaying you cannot be slaying they cannot be slaying
Perfect
I cannot have slain you cannot have slain he cannot have slain we cannot have slain you cannot have slain they cannot have slain
V-ing perfect
I cannot have been slaying you cannot have been slaying he cannot have been slaying we cannot have been slaying you cannot have been slaying they cannot have been slaying
Interrogative form
Simple form
can I slay? can you slay? can he slay? can we slay? can you slay? can they slay?
V-ing form
can I be slaying? can you be slaying? can he be slaying? can we be slaying? can you be slaying? can they be slaying?
Perfect
can I have slain? can you have slain? can he have slain? can we have slain? can you have slain? can they have slain?
V-ing perfect
can I have been slaying? can you have been slaying? can he have been slaying? can we have been slaying? can you have been slaying? can they have been slaying?
Interro-negative form
Simple form
can I not slay? can you not slay? can he not slay? can we not slay? can you not slay? can they not slay?
V-ing form
can I not be slaying? can you not be slaying? can he not be slaying? can we not be slaying? can you not be slaying? can they not be slaying?
Perfect
can I not have slain? can you not have slain? can he not have slain? can we not have slain? can you not have slain? can they not have slain?
V-ing perfect
can I not have been slaying? can you not have been slaying? can he not have been slaying? can we not have been slaying? can you not have been slaying? can they not have been slaying?