I could unwish you could unwish he could unwish we could unwish you could unwish they could unwish
V-ing form
I could be unwishing you could be unwishing he could be unwishing we could be unwishing you could be unwishing they could be unwishing
Perfect
I could have unwished you could have unwished he could have unwished we could have unwished you could have unwished they could have unwished
V-ing perfect
I could have been unwishing you could have been unwishing he could have been unwishing we could have been unwishing you could have been unwishing they could have been unwishing
Negation
Simple form
I couldn't unwish you couldn't unwish he couldn't unwish we couldn't unwish you couldn't unwish they couldn't unwish
V-ing form
I couldn't be unwishing you couldn't be unwishing he couldn't be unwishing we couldn't be unwishing you couldn't be unwishing they couldn't be unwishing
Perfect
I couldn't have unwished you couldn't have unwished he couldn't have unwished we couldn't have unwished you couldn't have unwished they couldn't have unwished
V-ing perfect
I couldn't have been unwishing you couldn't have been unwishing he couldn't have been unwishing we couldn't have been unwishing you couldn't have been unwishing they couldn't have been unwishing
Interrogative form
Simple form
could I unwish? could you unwish? could he unwish? could we unwish? could you unwish? could they unwish?
V-ing form
could I be unwishing? could you be unwishing? could he be unwishing? could we be unwishing? could you be unwishing? could they be unwishing?
Perfect
could I have unwished? could you have unwished? could he have unwished? could we have unwished? could you have unwished? could they have unwished?
V-ing perfect
could I have been unwishing? could you have been unwishing? could he have been unwishing? could we have been unwishing? could you have been unwishing? could they have been unwishing?
Interro-negative form
Simple form
couldn't I unwish? couldn't you unwish? couldn't he unwish? couldn't we unwish? couldn't you unwish? couldn't they unwish?
V-ing form
couldn't I be unwishing? couldn't you be unwishing? couldn't he be unwishing? couldn't we be unwishing? couldn't you be unwishing? couldn't they be unwishing?
Perfect
couldn't I have unwished? couldn't you have unwished? couldn't he have unwished? couldn't we have unwished? couldn't you have unwished? couldn't they have unwished?
V-ing perfect
couldn't I have been unwishing? couldn't you have been unwishing? couldn't he have been unwishing? couldn't we have been unwishing? couldn't you have been unwishing? couldn't they have been unwishing?