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