English verb conjugation COULD CENTRALISE

Regular verb: centralise - centralised - centralised

Affirmation

Simple form

I could centralise
you could centralise
he could centralise
we could centralise
you could centralise
they could centralise

V-ing form

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

I could have centralised
you could have centralised
he could have centralised
we could have centralised
you could have centralised
they could have centralised

V-ing perfect

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

I couldn't centralise
you couldn't centralise
he couldn't centralise
we couldn't centralise
you couldn't centralise
they couldn't centralise

V-ing form

I couldn't be centralising
you couldn't be centralising
he couldn't be centralising
we couldn't be centralising
you couldn't be centralising
they couldn't be centralising

Perfect

I couldn't have centralised
you couldn't have centralised
he couldn't have centralised
we couldn't have centralised
you couldn't have centralised
they couldn't have centralised

V-ing perfect

I couldn't have been centralising
you couldn't have been centralising
he couldn't have been centralising
we couldn't have been centralising
you couldn't have been centralising
they couldn't have been centralising

Interrogative form

Simple form

could I centralise?
could you centralise?
could he centralise?
could we centralise?
could you centralise?
could they centralise?

V-ing form

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

could I have centralised?
could you have centralised?
could he have centralised?
could we have centralised?
could you have centralised?
could they have centralised?

V-ing perfect

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

couldn't I centralise?
couldn't you centralise?
couldn't he centralise?
couldn't we centralise?
couldn't you centralise?
couldn't they centralise?

V-ing form

couldn't I be centralising?
couldn't you be centralising?
couldn't he be centralising?
couldn't we be centralising?
couldn't you be centralising?
couldn't they be centralising?

Perfect

couldn't I have centralised?
couldn't you have centralised?
couldn't he have centralised?
couldn't we have centralised?
couldn't you have centralised?
couldn't they have centralised?

V-ing perfect

couldn't I have been centralising?
couldn't you have been centralising?
couldn't he have been centralising?
couldn't we have been centralising?
couldn't you have been centralising?
couldn't they have been centralising?

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