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 can't slay you can't slay he can't slay we can't slay you can't slay they can't slay
V-ing form
I can't be slaying you can't be slaying he can't be slaying we can't be slaying you can't be slaying they can't be slaying
Perfect
I can't have slain you can't have slain he can't have slain we can't have slain you can't have slain they can't have slain
V-ing perfect
I can't have been slaying you can't have been slaying he can't have been slaying we can't have been slaying you can't have been slaying they can't 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't I slay? can't you slay? can't he slay? can't we slay? can't you slay? can't they slay?
V-ing form
can't I be slaying? can't you be slaying? can't he be slaying? can't we be slaying? can't you be slaying? can't they be slaying?
Perfect
can't I have slain? can't you have slain? can't he have slain? can't we have slain? can't you have slain? can't they have slain?
V-ing perfect
can't I have been slaying? can't you have been slaying? can't he have been slaying? can't we have been slaying? can't you have been slaying? can't they have been slaying?