English verb conjugation
COULD NATURALISE

Regular verb: naturalise - naturalised - naturalised

Affirmation

Simple form	V-ing form
I could naturalise you could naturalise he could naturalise we could naturalise you could naturalise they could naturalise	I could be naturalising you could be naturalising he could be naturalising we could be naturalising you could be naturalising they could be naturalising
Perfect	V-ing perfect
I could have naturalised you could have naturalised he could have naturalised we could have naturalised you could have naturalised they could have naturalised	I could have been naturalising you could have been naturalising he could have been naturalising we could have been naturalising you could have been naturalising they could have been naturalising

Negation

Simple form	V-ing form
I could not naturalise you could not naturalise he could not naturalise we could not naturalise you could not naturalise they could not naturalise	I could not be naturalising you could not be naturalising he could not be naturalising we could not be naturalising you could not be naturalising they could not be naturalising
Perfect	V-ing perfect
I could not have naturalised you could not have naturalised he could not have naturalised we could not have naturalised you could not have naturalised they could not have naturalised	I could not have been naturalising you could not have been naturalising he could not have been naturalising we could not have been naturalising you could not have been naturalising they could not have been naturalising

Interrogative form

Simple form	V-ing form
could I naturalise? could you naturalise? could he naturalise? could we naturalise? could you naturalise? could they naturalise?	could I be naturalising? could you be naturalising? could he be naturalising? could we be naturalising? could you be naturalising? could they be naturalising?
Perfect	V-ing perfect
could I have naturalised? could you have naturalised? could he have naturalised? could we have naturalised? could you have naturalised? could they have naturalised?	could I have been naturalising? could you have been naturalising? could he have been naturalising? could we have been naturalising? could you have been naturalising? could they have been naturalising?

Interro-negative form

Simple form	V-ing form
could I not naturalise? could you not naturalise? could he not naturalise? could we not naturalise? could you not naturalise? could they not naturalise?	could I not be naturalising? could you not be naturalising? could he not be naturalising? could we not be naturalising? could you not be naturalising? could they not be naturalising?
Perfect	V-ing perfect
could I not have naturalised? could you not have naturalised? could he not have naturalised? could we not have naturalised? could you not have naturalised? could they not have naturalised?	could I not have been naturalising? could you not have been naturalising? could he not have been naturalising? could we not have been naturalising? could you not have been naturalising? could they not have been naturalising?