could labour
Verbe régulier : labour - laboured- laboured
Traduction française : (UK) travailler dur - insister sur 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could labour
you could labour
he could labour
we could labour
you could labour
they could labour 	I could be labouring
you could be labouring
he could be labouring
we could be labouring
you could be labouring
they could be labouring	I could have laboured
you could have laboured
he could have laboured
we could have laboured
you could have laboured
they could have laboured	I could have been labouring
you could have been labouring
he could have been labouring
we could have been labouring
you could have been labouring
they could have been labouring	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not labour
you could not labour
he could not labour
we could not labour
you could not labour
they could not labour 	I could not be labouring
you could not be labouring
he could not be labouring
we could not be labouring
you could not be labouring
they could not be labouring	I could not have laboured
you could not have laboured
he could not have laboured
we could not have laboured
you could not have laboured
they could not have laboured	I could not have been labouring
you could not have been labouring
he could not have been labouring
we could not have been labouring
you could not have been labouring
they could not have been labouring	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I labour?
could you labour?
could he labour?
could we labour?
could you labour?
could they labour? 	could I be labouring?
could you be labouring?
could he be labouring?
could we be labouring?
could you be labouring?
could they be labouring? 	could I have laboured?
could you have laboured?
could he have laboured?
could we have laboured?
could you have laboured?
could they have laboured? 	could I have been labouring?
could you have been labouring?
could he have been labouring?
could we have been labouring?
could you have been labouring?
could they have been labouring? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not labour?
could you not labour?
could he not labour?
could we not labour?
could you not labour?
could they not labour? 	could I not be labouring?
could you not be labouring?
could he not be labouring?
could we not be labouring?
could you not be labouring?
could they not be labouring? 	could I not have laboured?
could you not have laboured?
could he not have laboured?
could we not have laboured?
could you not have laboured?
could they not have laboured? 	could I not have been labouring?
could you not have been labouring?
could he not have been labouring?
could we not have been labouring?
could you not have been labouring?
could they not have been labouring?