I could devitalize you could devitalize he could devitalize we could devitalize you could devitalize they could devitalize
Forme en V-ing
I could be devitalizing you could be devitalizing he could be devitalizing we could be devitalizing you could be devitalizing they could be devitalizing
Perfect
I could have devitalized you could have devitalized he could have devitalized we could have devitalized you could have devitalized they could have devitalized
Perfect en V-ing
I could have been devitalizing you could have been devitalizing he could have been devitalizing we could have been devitalizing you could have been devitalizing they could have been devitalizing
Négation
Forme simple
I could not devitalize you could not devitalize he could not devitalize we could not devitalize you could not devitalize they could not devitalize
Forme en V-ing
I could not be devitalizing you could not be devitalizing he could not be devitalizing we could not be devitalizing you could not be devitalizing they could not be devitalizing
Perfect
I could not have devitalized you could not have devitalized he could not have devitalized we could not have devitalized you could not have devitalized they could not have devitalized
Perfect en V-ing
I could not have been devitalizing you could not have been devitalizing he could not have been devitalizing we could not have been devitalizing you could not have been devitalizing they could not have been devitalizing
Forme interrogative
Forme simple
could I devitalize? could you devitalize? could he devitalize? could we devitalize? could you devitalize? could they devitalize?
Forme en V-ing
could I be devitalizing? could you be devitalizing? could he be devitalizing? could we be devitalizing? could you be devitalizing? could they be devitalizing?
Perfect
could I have devitalized? could you have devitalized? could he have devitalized? could we have devitalized? could you have devitalized? could they have devitalized?
Perfect en V-ing
could I have been devitalizing? could you have been devitalizing? could he have been devitalizing? could we have been devitalizing? could you have been devitalizing? could they have been devitalizing?
Forme interro-négative
Forme simple
could I not devitalize? could you not devitalize? could he not devitalize? could we not devitalize? could you not devitalize? could they not devitalize?
Forme en V-ing
could I not be devitalizing? could you not be devitalizing? could he not be devitalizing? could we not be devitalizing? could you not be devitalizing? could they not be devitalizing?
Perfect
could I not have devitalized? could you not have devitalized? could he not have devitalized? could we not have devitalized? could you not have devitalized? could they not have devitalized?
Perfect en V-ing
could I not have been devitalizing? could you not have been devitalizing? could he not have been devitalizing? could we not have been devitalizing? could you not have been devitalizing? could they not have been devitalizing?