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