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