I can slay you can slay she can slay we can slay you can slay they can slay
V-ing form
I can be slaying you can be slaying she can be slaying we can be slaying you can be slaying they can be slaying
Perfect
I can have slain you can have slain she 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 she 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 she cannot slay we cannot slay you cannot slay they cannot slay
V-ing form
I cannot be slaying you cannot be slaying she cannot be slaying we cannot be slaying you cannot be slaying they cannot be slaying
Perfect
I cannot have slain you cannot have slain she 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 she 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 she slay? can we slay? can you slay? can they slay?
V-ing form
can I be slaying? can you be slaying? can she be slaying? can we be slaying? can you be slaying? can they be slaying?
Perfect
can I have slain? can you have slain? can she 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 she 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 she 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 she 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 she 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 she not have been slaying? can we not have been slaying? can you not have been slaying? can they not have been slaying?