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