could zero
Verbe régulier : zero - zeroed- zeroed
Traduction française : régler sur zéro 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could zero
you could zero
she could zero
we could zero
you could zero
they could zero 	I could be zeroing
you could be zeroing
she could be zeroing
we could be zeroing
you could be zeroing
they could be zeroing	I could have zeroed
you could have zeroed
she could have zeroed
we could have zeroed
you could have zeroed
they could have zeroed	I could have been zeroing
you could have been zeroing
she could have been zeroing
we could have been zeroing
you could have been zeroing
they could have been zeroing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not zero
you could not zero
she could not zero
we could not zero
you could not zero
they could not zero 	I could not be zeroing
you could not be zeroing
she could not be zeroing
we could not be zeroing
you could not be zeroing
they could not be zeroing	I could not have zeroed
you could not have zeroed
she could not have zeroed
we could not have zeroed
you could not have zeroed
they could not have zeroed	I could not have been zeroing
you could not have been zeroing
she could not have been zeroing
we could not have been zeroing
you could not have been zeroing
they could not have been zeroing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I zero?
could you zero?
could she zero?
could we zero?
could you zero?
could they zero? 	could I be zeroing?
could you be zeroing?
could she be zeroing?
could we be zeroing?
could you be zeroing?
could they be zeroing? 	could I have zeroed?
could you have zeroed?
could she have zeroed?
could we have zeroed?
could you have zeroed?
could they have zeroed? 	could I have been zeroing?
could you have been zeroing?
could she have been zeroing?
could we have been zeroing?
could you have been zeroing?
could they have been zeroing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not zero?
could you not zero?
could she not zero?
could we not zero?
could you not zero?
could they not zero? 	could I not be zeroing?
could you not be zeroing?
could she not be zeroing?
could we not be zeroing?
could you not be zeroing?
could they not be zeroing? 	could I not have zeroed?
could you not have zeroed?
could she not have zeroed?
could we not have zeroed?
could you not have zeroed?
could they not have zeroed? 	could I not have been zeroing?
could you not have been zeroing?
could she not have been zeroing?
could we not have been zeroing?
could you not have been zeroing?
could they not have been zeroing?