I could presterilize you could presterilize he could presterilize we could presterilize you could presterilize they could presterilize
Forme en V-ing
I could be presterilizing you could be presterilizing he could be presterilizing we could be presterilizing you could be presterilizing they could be presterilizing
Perfect
I could have presterilized you could have presterilized he could have presterilized we could have presterilized you could have presterilized they could have presterilized
Perfect en V-ing
I could have been presterilizing you could have been presterilizing he could have been presterilizing we could have been presterilizing you could have been presterilizing they could have been presterilizing
Négation
Forme simple
I could not presterilize you could not presterilize he could not presterilize we could not presterilize you could not presterilize they could not presterilize
Forme en V-ing
I could not be presterilizing you could not be presterilizing he could not be presterilizing we could not be presterilizing you could not be presterilizing they could not be presterilizing
Perfect
I could not have presterilized you could not have presterilized he could not have presterilized we could not have presterilized you could not have presterilized they could not have presterilized
Perfect en V-ing
I could not have been presterilizing you could not have been presterilizing he could not have been presterilizing we could not have been presterilizing you could not have been presterilizing they could not have been presterilizing
Forme interrogative
Forme simple
could I presterilize? could you presterilize? could he presterilize? could we presterilize? could you presterilize? could they presterilize?
Forme en V-ing
could I be presterilizing? could you be presterilizing? could he be presterilizing? could we be presterilizing? could you be presterilizing? could they be presterilizing?
Perfect
could I have presterilized? could you have presterilized? could he have presterilized? could we have presterilized? could you have presterilized? could they have presterilized?
Perfect en V-ing
could I have been presterilizing? could you have been presterilizing? could he have been presterilizing? could we have been presterilizing? could you have been presterilizing? could they have been presterilizing?
Forme interro-négative
Forme simple
could I not presterilize? could you not presterilize? could he not presterilize? could we not presterilize? could you not presterilize? could they not presterilize?
Forme en V-ing
could I not be presterilizing? could you not be presterilizing? could he not be presterilizing? could we not be presterilizing? could you not be presterilizing? could they not be presterilizing?
Perfect
could I not have presterilized? could you not have presterilized? could he not have presterilized? could we not have presterilized? could you not have presterilized? could they not have presterilized?
Perfect en V-ing
could I not have been presterilizing? could you not have been presterilizing? could he not have been presterilizing? could we not have been presterilizing? could you not have been presterilizing? could they not have been presterilizing?