I could nationalise you could nationalise she could nationalise we could nationalise you could nationalise they could nationalise
V-ing form
I could be nationalising you could be nationalising she could be nationalising we could be nationalising you could be nationalising they could be nationalising
Perfect
I could have nationalised you could have nationalised she could have nationalised we could have nationalised you could have nationalised they could have nationalised
V-ing perfect
I could have been nationalising you could have been nationalising she could have been nationalising we could have been nationalising you could have been nationalising they could have been nationalising
Negation
Simple form
I couldn't nationalise you couldn't nationalise she couldn't nationalise we couldn't nationalise you couldn't nationalise they couldn't nationalise
V-ing form
I couldn't be nationalising you couldn't be nationalising she couldn't be nationalising we couldn't be nationalising you couldn't be nationalising they couldn't be nationalising
Perfect
I couldn't have nationalised you couldn't have nationalised she couldn't have nationalised we couldn't have nationalised you couldn't have nationalised they couldn't have nationalised
V-ing perfect
I couldn't have been nationalising you couldn't have been nationalising she couldn't have been nationalising we couldn't have been nationalising you couldn't have been nationalising they couldn't have been nationalising
Interrogative form
Simple form
could I nationalise? could you nationalise? could she nationalise? could we nationalise? could you nationalise? could they nationalise?
V-ing form
could I be nationalising? could you be nationalising? could she be nationalising? could we be nationalising? could you be nationalising? could they be nationalising?
Perfect
could I have nationalised? could you have nationalised? could she have nationalised? could we have nationalised? could you have nationalised? could they have nationalised?
V-ing perfect
could I have been nationalising? could you have been nationalising? could she have been nationalising? could we have been nationalising? could you have been nationalising? could they have been nationalising?
Interro-negative form
Simple form
couldn't I nationalise? couldn't you nationalise? couldn't she nationalise? couldn't we nationalise? couldn't you nationalise? couldn't they nationalise?
V-ing form
couldn't I be nationalising? couldn't you be nationalising? couldn't she be nationalising? couldn't we be nationalising? couldn't you be nationalising? couldn't they be nationalising?
Perfect
couldn't I have nationalised? couldn't you have nationalised? couldn't she have nationalised? couldn't we have nationalised? couldn't you have nationalised? couldn't they have nationalised?
V-ing perfect
couldn't I have been nationalising? couldn't you have been nationalising? couldn't she have been nationalising? couldn't we have been nationalising? couldn't you have been nationalising? couldn't they have been nationalising?