I could photosensitize you could photosensitize he could photosensitize we could photosensitize you could photosensitize they could photosensitize
Forme en V-ing
I could be photosensitizing you could be photosensitizing he could be photosensitizing we could be photosensitizing you could be photosensitizing they could be photosensitizing
Perfect
I could have photosensitized you could have photosensitized he could have photosensitized we could have photosensitized you could have photosensitized they could have photosensitized
Perfect en V-ing
I could have been photosensitizing you could have been photosensitizing he could have been photosensitizing we could have been photosensitizing you could have been photosensitizing they could have been photosensitizing
Négation
Forme simple
I couldn't photosensitize you couldn't photosensitize he couldn't photosensitize we couldn't photosensitize you couldn't photosensitize they couldn't photosensitize
Forme en V-ing
I couldn't be photosensitizing you couldn't be photosensitizing he couldn't be photosensitizing we couldn't be photosensitizing you couldn't be photosensitizing they couldn't be photosensitizing
Perfect
I couldn't have photosensitized you couldn't have photosensitized he couldn't have photosensitized we couldn't have photosensitized you couldn't have photosensitized they couldn't have photosensitized
Perfect en V-ing
I couldn't have been photosensitizing you couldn't have been photosensitizing he couldn't have been photosensitizing we couldn't have been photosensitizing you couldn't have been photosensitizing they couldn't have been photosensitizing
Forme interrogative
Forme simple
could I photosensitize? could you photosensitize? could he photosensitize? could we photosensitize? could you photosensitize? could they photosensitize?
Forme en V-ing
could I be photosensitizing? could you be photosensitizing? could he be photosensitizing? could we be photosensitizing? could you be photosensitizing? could they be photosensitizing?
Perfect
could I have photosensitized? could you have photosensitized? could he have photosensitized? could we have photosensitized? could you have photosensitized? could they have photosensitized?
Perfect en V-ing
could I have been photosensitizing? could you have been photosensitizing? could he have been photosensitizing? could we have been photosensitizing? could you have been photosensitizing? could they have been photosensitizing?
Forme interro-négative
Forme simple
couldn't I photosensitize? couldn't you photosensitize? couldn't he photosensitize? couldn't we photosensitize? couldn't you photosensitize? couldn't they photosensitize?
Forme en V-ing
couldn't I be photosensitizing? couldn't you be photosensitizing? couldn't he be photosensitizing? couldn't we be photosensitizing? couldn't you be photosensitizing? couldn't they be photosensitizing?
Perfect
couldn't I have photosensitized? couldn't you have photosensitized? couldn't he have photosensitized? couldn't we have photosensitized? couldn't you have photosensitized? couldn't they have photosensitized?
Perfect en V-ing
couldn't I have been photosensitizing? couldn't you have been photosensitizing? couldn't he have been photosensitizing? couldn't we have been photosensitizing? couldn't you have been photosensitizing? couldn't they have been photosensitizing?