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