I could teleport you could teleport he could teleport we could teleport you could teleport they could teleport
V-ing form
I could be teleporting you could be teleporting he could be teleporting we could be teleporting you could be teleporting they could be teleporting
Perfect
I could have teleported you could have teleported he could have teleported we could have teleported you could have teleported they could have teleported
V-ing perfect
I could have been teleporting you could have been teleporting he could have been teleporting we could have been teleporting you could have been teleporting they could have been teleporting
Negation
Simple form
I could not teleport you could not teleport he could not teleport we could not teleport you could not teleport they could not teleport
V-ing form
I could not be teleporting you could not be teleporting he could not be teleporting we could not be teleporting you could not be teleporting they could not be teleporting
Perfect
I could not have teleported you could not have teleported he could not have teleported we could not have teleported you could not have teleported they could not have teleported
V-ing perfect
I could not have been teleporting you could not have been teleporting he could not have been teleporting we could not have been teleporting you could not have been teleporting they could not have been teleporting
Interrogative form
Simple form
could I teleport? could you teleport? could he teleport? could we teleport? could you teleport? could they teleport?
V-ing form
could I be teleporting? could you be teleporting? could he be teleporting? could we be teleporting? could you be teleporting? could they be teleporting?
Perfect
could I have teleported? could you have teleported? could he have teleported? could we have teleported? could you have teleported? could they have teleported?
V-ing perfect
could I have been teleporting? could you have been teleporting? could he have been teleporting? could we have been teleporting? could you have been teleporting? could they have been teleporting?
Interro-negative form
Simple form
could I not teleport? could you not teleport? could he not teleport? could we not teleport? could you not teleport? could they not teleport?
V-ing form
could I not be teleporting? could you not be teleporting? could he not be teleporting? could we not be teleporting? could you not be teleporting? could they not be teleporting?
Perfect
could I not have teleported? could you not have teleported? could he not have teleported? could we not have teleported? could you not have teleported? could they not have teleported?
V-ing perfect
could I not have been teleporting? could you not have been teleporting? could he not have been teleporting? could we not have been teleporting? could you not have been teleporting? could they not have been teleporting?