could centre
Verbe régulier : centre - centred- centred
Traduction française : (UK) centrer - cadrer centre 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could centre
you could centre
he could centre
we could centre
you could centre
they could centre 	I could be centring
you could be centring
he could be centring
we could be centring
you could be centring
they could be centring	I could have centred
you could have centred
he could have centred
we could have centred
you could have centred
they could have centred	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	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't centre
you couldn't centre
he couldn't centre
we couldn't centre
you couldn't centre
they couldn't centre 	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	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	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	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I centre?
could you centre?
could he centre?
could we centre?
could you centre?
could they centre? 	could I be centring?
could you be centring?
could he be centring?
could we be centring?
could you be centring?
could they be centring? 	could I have centred?
could you have centred?
could he have centred?
could we have centred?
could you have centred?
could they have centred? 	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? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I centre?
couldn't you centre?
couldn't he centre?
couldn't we centre?
couldn't you centre?
couldn't they centre? 	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? 	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? 	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?