I could euthanatise you could euthanatise she could euthanatise we could euthanatise you could euthanatise they could euthanatise
V-ing form
I could be euthanatising you could be euthanatising she could be euthanatising we could be euthanatising you could be euthanatising they could be euthanatising
Perfect
I could have euthanatised you could have euthanatised she 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 she 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 she 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 she 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 she 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 she 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 she euthanatise? could we euthanatise? could you euthanatise? could they euthanatise?
V-ing form
could I be euthanatising? could you be euthanatising? could she be euthanatising? could we be euthanatising? could you be euthanatising? could they be euthanatising?
Perfect
could I have euthanatised? could you have euthanatised? could she 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 she 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 she 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 she 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 she 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 she have been euthanatising? couldn't we have been euthanatising? couldn't you have been euthanatising? couldn't they have been euthanatising?