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 couldn't centre
you couldn't centre
he 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
he 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
he 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
he 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 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

couldn't I centre?
couldn't you centre?
couldn't he 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 he 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 he 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 he 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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