English verb conjugation
COULD CENTRALISE

Regular verb: centralise - centralised - centralised

Affirmation

Simple form	V-ing form
I could centralise you could centralise he could centralise we could centralise you could centralise they could centralise	I could be centralising you could be centralising he could be centralising we could be centralising you could be centralising they could be centralising
Perfect	V-ing perfect
I could have centralised you could have centralised he could have centralised we could have centralised you could have centralised they could have centralised	I could have been centralising you could have been centralising he could have been centralising we could have been centralising you could have been centralising they could have been centralising

Negation

Simple form	V-ing form
I could not centralise you could not centralise he could not centralise we could not centralise you could not centralise they could not centralise	I could not be centralising you could not be centralising he could not be centralising we could not be centralising you could not be centralising they could not be centralising
Perfect	V-ing perfect
I could not have centralised you could not have centralised he could not have centralised we could not have centralised you could not have centralised they could not have centralised	I could not have been centralising you could not have been centralising he could not have been centralising we could not have been centralising you could not have been centralising they could not have been centralising

Interrogative form

Simple form	V-ing form
could I centralise? could you centralise? could he centralise? could we centralise? could you centralise? could they centralise?	could I be centralising? could you be centralising? could he be centralising? could we be centralising? could you be centralising? could they be centralising?
Perfect	V-ing perfect
could I have centralised? could you have centralised? could he have centralised? could we have centralised? could you have centralised? could they have centralised?	could I have been centralising? could you have been centralising? could he have been centralising? could we have been centralising? could you have been centralising? could they have been centralising?

Interro-negative form

Simple form	V-ing form
could I not centralise? could you not centralise? could he not centralise? could we not centralise? could you not centralise? could they not centralise?	could I not be centralising? could you not be centralising? could he not be centralising? could we not be centralising? could you not be centralising? could they not be centralising?
Perfect	V-ing perfect
could I not have centralised? could you not have centralised? could he not have centralised? could we not have centralised? could you not have centralised? could they not have centralised?	could I not have been centralising? could you not have been centralising? could he not have been centralising? could we not have been centralising? could you not have been centralising? could they not have been centralising?