English verb conjugation COULD CENTRE

Regular verb: centre - centred - centred

Affirmation

Simple form

I could centre
you could centre
he could centre
we could centre
you could centre
they could centre

V-ing form

I could be centring
you could be centring
he could be centring
we could be centring
you could be centring
they could be centring

Perfect

I could have centred
you could have centred
he could have centred
we could have centred
you could have centred
they could have centred

V-ing perfect

I could have been centring
you could have been centring
he could have been centring
we could have been centring
you could have been centring
they could have been centring

Negation

Simple form

I could not centre
you could not centre
he could not centre
we could not centre
you could not centre
they could not centre

V-ing form

I could not be centring
you could not be centring
he could not be centring
we could not be centring
you could not be centring
they could not be centring

Perfect

I could not have centred
you could not have centred
he could not have centred
we could not have centred
you could not have centred
they could not have centred

V-ing perfect

I could not have been centring
you could not have been centring
he could not have been centring
we could not have been centring
you could not have been centring
they could not have been centring

Interrogative form

Simple form

could I centre?
could you centre?
could he centre?
could we centre?
could you centre?
could they centre?

V-ing form

could I be centring?
could you be centring?
could he be centring?
could we be centring?
could you be centring?
could they be centring?

Perfect

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

V-ing perfect

could I have been centring?
could you have been centring?
could he have been centring?
could we have been centring?
could you have been centring?
could they have been centring?

Interro-negative form

Simple form

could I not centre?
could you not centre?
could he not centre?
could we not centre?
could you not centre?
could they not centre?

V-ing form

could I not be centring?
could you not be centring?
could he not be centring?
could we not be centring?
could you not be centring?
could they not be centring?

Perfect

could I not have centred?
could you not have centred?
could he not have centred?
could we not have centred?
could you not have centred?
could they not have centred?

V-ing perfect

could I not have been centring?
could you not have been centring?
could he not have been centring?
could we not have been centring?
could you not have been centring?
could they not have been centring?

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