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