I could warranty you could warranty he could warranty we could warranty you could warranty they could warranty
V-ing form
I could be warrantying you could be warrantying he could be warrantying we could be warrantying you could be warrantying they could be warrantying
Perfect
I could have warrantied you could have warrantied he could have warrantied we could have warrantied you could have warrantied they could have warrantied
V-ing perfect
I could have been warrantying you could have been warrantying he could have been warrantying we could have been warrantying you could have been warrantying they could have been warrantying
Negation
Simple form
I could not warranty you could not warranty he could not warranty we could not warranty you could not warranty they could not warranty
V-ing form
I could not be warrantying you could not be warrantying he could not be warrantying we could not be warrantying you could not be warrantying they could not be warrantying
Perfect
I could not have warrantied you could not have warrantied he could not have warrantied we could not have warrantied you could not have warrantied they could not have warrantied
V-ing perfect
I could not have been warrantying you could not have been warrantying he could not have been warrantying we could not have been warrantying you could not have been warrantying they could not have been warrantying
Interrogative form
Simple form
could I warranty? could you warranty? could he warranty? could we warranty? could you warranty? could they warranty?
V-ing form
could I be warrantying? could you be warrantying? could he be warrantying? could we be warrantying? could you be warrantying? could they be warrantying?
Perfect
could I have warrantied? could you have warrantied? could he have warrantied? could we have warrantied? could you have warrantied? could they have warrantied?
V-ing perfect
could I have been warrantying? could you have been warrantying? could he have been warrantying? could we have been warrantying? could you have been warrantying? could they have been warrantying?
Interro-negative form
Simple form
could I not warranty? could you not warranty? could he not warranty? could we not warranty? could you not warranty? could they not warranty?
V-ing form
could I not be warrantying? could you not be warrantying? could he not be warrantying? could we not be warrantying? could you not be warrantying? could they not be warrantying?
Perfect
could I not have warrantied? could you not have warrantied? could he not have warrantied? could we not have warrantied? could you not have warrantied? could they not have warrantied?
V-ing perfect
could I not have been warrantying? could you not have been warrantying? could he not have been warrantying? could we not have been warrantying? could you not have been warrantying? could they not have been warrantying?