English verb conjugation COULD CENTRE

Regular verb: centre - centred - centred

Affirmation

Simple form

I could centre
you could centre
she could centre
we could centre
you could centre
they could centre

V-ing form

I could be centring
you could be centring
she could be centring
we could be centring
you could be centring
they could be centring

Perfect

I could have centred
you could have centred
she 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
she 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
she 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
she 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
she 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
she 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 she centre?
could we centre?
could you centre?
could they centre?

V-ing form

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

Perfect

could I have centred?
could you have centred?
could she 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 she 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 she 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 she 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 she 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 she 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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