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 couldn't centre
you couldn't centre
she couldn't centre
we couldn't centre
you couldn't centre
they couldn't centre

V-ing form

I couldn't be centring
you couldn't be centring
she couldn't be centring
we couldn't be centring
you couldn't be centring
they couldn't be centring

Perfect

I couldn't have centred
you couldn't have centred
she couldn't have centred
we couldn't have centred
you couldn't have centred
they couldn't have centred

V-ing perfect

I couldn't have been centring
you couldn't have been centring
she couldn't have been centring
we couldn't have been centring
you couldn't have been centring
they couldn't 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

couldn't I centre?
couldn't you centre?
couldn't she centre?
couldn't we centre?
couldn't you centre?
couldn't they centre?

V-ing form

couldn't I be centring?
couldn't you be centring?
couldn't she be centring?
couldn't we be centring?
couldn't you be centring?
couldn't they be centring?

Perfect

couldn't I have centred?
couldn't you have centred?
couldn't she have centred?
couldn't we have centred?
couldn't you have centred?
couldn't they have centred?

V-ing perfect

couldn't I have been centring?
couldn't you have been centring?
couldn't she have been centring?
couldn't we have been centring?
couldn't you have been centring?
couldn't they have been centring?

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