English verb conjugation
COULD NATIONALISE

Regular verb: nationalise - nationalised - nationalised

Affirmation

Simple form	V-ing form
I could nationalise you could nationalise he could nationalise we could nationalise you could nationalise they could nationalise	I could be nationalising you could be nationalising he could be nationalising we could be nationalising you could be nationalising they could be nationalising
Perfect	V-ing perfect
I could have nationalised you could have nationalised he could have nationalised we could have nationalised you could have nationalised they could have nationalised	I could have been nationalising you could have been nationalising he could have been nationalising we could have been nationalising you could have been nationalising they could have been nationalising

Negation

Simple form	V-ing form
I couldn't nationalise you couldn't nationalise he couldn't nationalise we couldn't nationalise you couldn't nationalise they couldn't nationalise	I couldn't be nationalising you couldn't be nationalising he couldn't be nationalising we couldn't be nationalising you couldn't be nationalising they couldn't be nationalising
Perfect	V-ing perfect
I couldn't have nationalised you couldn't have nationalised he couldn't have nationalised we couldn't have nationalised you couldn't have nationalised they couldn't have nationalised	I couldn't have been nationalising you couldn't have been nationalising he 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	V-ing form
could I nationalise? could you nationalise? could he nationalise? could we nationalise? could you nationalise? could they nationalise?	could I be nationalising? could you be nationalising? could he be nationalising? could we be nationalising? could you be nationalising? could they be nationalising?
Perfect	V-ing perfect
could I have nationalised? could you have nationalised? could he have nationalised? could we have nationalised? could you have nationalised? could they have nationalised?	could I have been nationalising? could you have been nationalising? could he have been nationalising? could we have been nationalising? could you have been nationalising? could they have been nationalising?

Interro-negative form

Simple form	V-ing form
couldn't I nationalise? couldn't you nationalise? couldn't he nationalise? couldn't we nationalise? couldn't you nationalise? couldn't they nationalise?	couldn't I be nationalising? couldn't you be nationalising? couldn't he be nationalising? couldn't we be nationalising? couldn't you be nationalising? couldn't they be nationalising?
Perfect	V-ing perfect
couldn't I have nationalised? couldn't you have nationalised? couldn't he have nationalised? couldn't we have nationalised? couldn't you have nationalised? couldn't they have nationalised?	couldn't I have been nationalising? couldn't you have been nationalising? couldn't he have been nationalising? couldn't we have been nationalising? couldn't you have been nationalising? couldn't they have been nationalising?