could test
Verbe régulier : test - tested- tested
Traduction française : tester - rechercher la présence de 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could test
you could test
he could test
we could test
you could test
they could test 	I could be testing
you could be testing
he could be testing
we could be testing
you could be testing
they could be testing	I could have tested
you could have tested
he could have tested
we could have tested
you could have tested
they could have tested	I could have been testing
you could have been testing
he could have been testing
we could have been testing
you could have been testing
they could have been testing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not test
you could not test
he could not test
we could not test
you could not test
they could not test 	I could not be testing
you could not be testing
he could not be testing
we could not be testing
you could not be testing
they could not be testing	I could not have tested
you could not have tested
he could not have tested
we could not have tested
you could not have tested
they could not have tested	I could not have been testing
you could not have been testing
he could not have been testing
we could not have been testing
you could not have been testing
they could not have been testing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I test?
could you test?
could he test?
could we test?
could you test?
could they test? 	could I be testing?
could you be testing?
could he be testing?
could we be testing?
could you be testing?
could they be testing? 	could I have tested?
could you have tested?
could he have tested?
could we have tested?
could you have tested?
could they have tested? 	could I have been testing?
could you have been testing?
could he have been testing?
could we have been testing?
could you have been testing?
could they have been testing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not test?
could you not test?
could he not test?
could we not test?
could you not test?
could they not test? 	could I not be testing?
could you not be testing?
could he not be testing?
could we not be testing?
could you not be testing?
could they not be testing? 	could I not have tested?
could you not have tested?
could he not have tested?
could we not have tested?
could you not have tested?
could they not have tested? 	could I not have been testing?
could you not have been testing?
could he not have been testing?
could we not have been testing?
could you not have been testing?
could they not have been testing?