I could deuterate you could deuterate he could deuterate we could deuterate you could deuterate they could deuterate
Forme en V-ing
I could be deuterating you could be deuterating he could be deuterating we could be deuterating you could be deuterating they could be deuterating
Perfect
I could have deuterated you could have deuterated he could have deuterated we could have deuterated you could have deuterated they could have deuterated
Perfect en V-ing
I could have been deuterating you could have been deuterating he could have been deuterating we could have been deuterating you could have been deuterating they could have been deuterating
Négation
Forme simple
I could not deuterate you could not deuterate he could not deuterate we could not deuterate you could not deuterate they could not deuterate
Forme en V-ing
I could not be deuterating you could not be deuterating he could not be deuterating we could not be deuterating you could not be deuterating they could not be deuterating
Perfect
I could not have deuterated you could not have deuterated he could not have deuterated we could not have deuterated you could not have deuterated they could not have deuterated
Perfect en V-ing
I could not have been deuterating you could not have been deuterating he could not have been deuterating we could not have been deuterating you could not have been deuterating they could not have been deuterating
Forme interrogative
Forme simple
could I deuterate? could you deuterate? could he deuterate? could we deuterate? could you deuterate? could they deuterate?
Forme en V-ing
could I be deuterating? could you be deuterating? could he be deuterating? could we be deuterating? could you be deuterating? could they be deuterating?
Perfect
could I have deuterated? could you have deuterated? could he have deuterated? could we have deuterated? could you have deuterated? could they have deuterated?
Perfect en V-ing
could I have been deuterating? could you have been deuterating? could he have been deuterating? could we have been deuterating? could you have been deuterating? could they have been deuterating?
Forme interro-négative
Forme simple
could I not deuterate? could you not deuterate? could he not deuterate? could we not deuterate? could you not deuterate? could they not deuterate?
Forme en V-ing
could I not be deuterating? could you not be deuterating? could he not be deuterating? could we not be deuterating? could you not be deuterating? could they not be deuterating?
Perfect
could I not have deuterated? could you not have deuterated? could he not have deuterated? could we not have deuterated? could you not have deuterated? could they not have deuterated?
Perfect en V-ing
could I not have been deuterating? could you not have been deuterating? could he not have been deuterating? could we not have been deuterating? could you not have been deuterating? could they not have been deuterating?