could square
Verbe régulier : square - squared- squared
Traduction française : mettre droit - cadrer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could square
you could square
he could square
we could square
you could square
they could square 	I could be squaring
you could be squaring
he could be squaring
we could be squaring
you could be squaring
they could be squaring	I could have squared
you could have squared
he could have squared
we could have squared
you could have squared
they could have squared	I could have been squaring
you could have been squaring
he could have been squaring
we could have been squaring
you could have been squaring
they could have been squaring	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't square
you couldn't square
he couldn't square
we couldn't square
you couldn't square
they couldn't square 	I couldn't be squaring
you couldn't be squaring
he couldn't be squaring
we couldn't be squaring
you couldn't be squaring
they couldn't be squaring	I couldn't have squared
you couldn't have squared
he couldn't have squared
we couldn't have squared
you couldn't have squared
they couldn't have squared	I couldn't have been squaring
you couldn't have been squaring
he couldn't have been squaring
we couldn't have been squaring
you couldn't have been squaring
they couldn't have been squaring	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I square?
could you square?
could he square?
could we square?
could you square?
could they square? 	could I be squaring?
could you be squaring?
could he be squaring?
could we be squaring?
could you be squaring?
could they be squaring? 	could I have squared?
could you have squared?
could he have squared?
could we have squared?
could you have squared?
could they have squared? 	could I have been squaring?
could you have been squaring?
could he have been squaring?
could we have been squaring?
could you have been squaring?
could they have been squaring? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I square?
couldn't you square?
couldn't he square?
couldn't we square?
couldn't you square?
couldn't they square? 	couldn't I be squaring?
couldn't you be squaring?
couldn't he be squaring?
couldn't we be squaring?
couldn't you be squaring?
couldn't they be squaring? 	couldn't I have squared?
couldn't you have squared?
couldn't he have squared?
couldn't we have squared?
couldn't you have squared?
couldn't they have squared? 	couldn't I have been squaring?
couldn't you have been squaring?
couldn't he have been squaring?
couldn't we have been squaring?
couldn't you have been squaring?
couldn't they have been squaring?