could presurvey
Verbe régulier : presurvey - presurveyed- presurveyed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could presurvey
you could presurvey
he could presurvey
we could presurvey
you could presurvey
they could presurvey 	I could be presurveying
you could be presurveying
he could be presurveying
we could be presurveying
you could be presurveying
they could be presurveying	I could have presurveyed
you could have presurveyed
he could have presurveyed
we could have presurveyed
you could have presurveyed
they could have presurveyed	I could have been presurveying
you could have been presurveying
he could have been presurveying
we could have been presurveying
you could have been presurveying
they could have been presurveying	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not presurvey
you could not presurvey
he could not presurvey
we could not presurvey
you could not presurvey
they could not presurvey 	I could not be presurveying
you could not be presurveying
he could not be presurveying
we could not be presurveying
you could not be presurveying
they could not be presurveying	I could not have presurveyed
you could not have presurveyed
he could not have presurveyed
we could not have presurveyed
you could not have presurveyed
they could not have presurveyed	I could not have been presurveying
you could not have been presurveying
he could not have been presurveying
we could not have been presurveying
you could not have been presurveying
they could not have been presurveying	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I presurvey?
could you presurvey?
could he presurvey?
could we presurvey?
could you presurvey?
could they presurvey? 	could I be presurveying?
could you be presurveying?
could he be presurveying?
could we be presurveying?
could you be presurveying?
could they be presurveying? 	could I have presurveyed?
could you have presurveyed?
could he have presurveyed?
could we have presurveyed?
could you have presurveyed?
could they have presurveyed? 	could I have been presurveying?
could you have been presurveying?
could he have been presurveying?
could we have been presurveying?
could you have been presurveying?
could they have been presurveying? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not presurvey?
could you not presurvey?
could he not presurvey?
could we not presurvey?
could you not presurvey?
could they not presurvey? 	could I not be presurveying?
could you not be presurveying?
could he not be presurveying?
could we not be presurveying?
could you not be presurveying?
could they not be presurveying? 	could I not have presurveyed?
could you not have presurveyed?
could he not have presurveyed?
could we not have presurveyed?
could you not have presurveyed?
could they not have presurveyed? 	could I not have been presurveying?
could you not have been presurveying?
could he not have been presurveying?
could we not have been presurveying?
could you not have been presurveying?
could they not have been presurveying?