I could torture you could torture he could torture we could torture you could torture they could torture
V-ing form
I could be torturing you could be torturing he could be torturing we could be torturing you could be torturing they could be torturing
Perfect
I could have tortured you could have tortured he could have tortured we could have tortured you could have tortured they could have tortured
V-ing perfect
I could have been torturing you could have been torturing he could have been torturing we could have been torturing you could have been torturing they could have been torturing
Negation
Simple form
I could not torture you could not torture he could not torture we could not torture you could not torture they could not torture
V-ing form
I could not be torturing you could not be torturing he could not be torturing we could not be torturing you could not be torturing they could not be torturing
Perfect
I could not have tortured you could not have tortured he could not have tortured we could not have tortured you could not have tortured they could not have tortured
V-ing perfect
I could not have been torturing you could not have been torturing he could not have been torturing we could not have been torturing you could not have been torturing they could not have been torturing
Interrogative form
Simple form
could I torture? could you torture? could he torture? could we torture? could you torture? could they torture?
V-ing form
could I be torturing? could you be torturing? could he be torturing? could we be torturing? could you be torturing? could they be torturing?
Perfect
could I have tortured? could you have tortured? could he have tortured? could we have tortured? could you have tortured? could they have tortured?
V-ing perfect
could I have been torturing? could you have been torturing? could he have been torturing? could we have been torturing? could you have been torturing? could they have been torturing?
Interro-negative form
Simple form
could I not torture? could you not torture? could he not torture? could we not torture? could you not torture? could they not torture?
V-ing form
could I not be torturing? could you not be torturing? could he not be torturing? could we not be torturing? could you not be torturing? could they not be torturing?
Perfect
could I not have tortured? could you not have tortured? could he not have tortured? could we not have tortured? could you not have tortured? could they not have tortured?
V-ing perfect
could I not have been torturing? could you not have been torturing? could he not have been torturing? could we not have been torturing? could you not have been torturing? could they not have been torturing?