I could photosynthesize you could photosynthesize he could photosynthesize we could photosynthesize you could photosynthesize they could photosynthesize
Form mit V-ing
I could be photosynthesizing you could be photosynthesizing he could be photosynthesizing we could be photosynthesizing you could be photosynthesizing they could be photosynthesizing
Perfekt
I could have photosynthesized you could have photosynthesized he could have photosynthesized we could have photosynthesized you could have photosynthesized they could have photosynthesized
Perfekt mit V-ing
I could have been photosynthesizing you could have been photosynthesizing he could have been photosynthesizing we could have been photosynthesizing you could have been photosynthesizing they could have been photosynthesizing
Negation
Einfache Form
I couldn't photosynthesize you couldn't photosynthesize he couldn't photosynthesize we couldn't photosynthesize you couldn't photosynthesize they couldn't photosynthesize
Form mit V-ing
I couldn't be photosynthesizing you couldn't be photosynthesizing he couldn't be photosynthesizing we couldn't be photosynthesizing you couldn't be photosynthesizing they couldn't be photosynthesizing
Perfekt
I couldn't have photosynthesized you couldn't have photosynthesized he couldn't have photosynthesized we couldn't have photosynthesized you couldn't have photosynthesized they couldn't have photosynthesized
Perfekt mit V-ing
I couldn't have been photosynthesizing you couldn't have been photosynthesizing he couldn't have been photosynthesizing we couldn't have been photosynthesizing you couldn't have been photosynthesizing they couldn't have been photosynthesizing
Fragende Form
Einfache Form
could I photosynthesize? could you photosynthesize? could he photosynthesize? could we photosynthesize? could you photosynthesize? could they photosynthesize?
Form mit V-ing
could I be photosynthesizing? could you be photosynthesizing? could he be photosynthesizing? could we be photosynthesizing? could you be photosynthesizing? could they be photosynthesizing?
Perfekt
could I have photosynthesized? could you have photosynthesized? could he have photosynthesized? could we have photosynthesized? could you have photosynthesized? could they have photosynthesized?
Perfekt mit V-ing
could I have been photosynthesizing? could you have been photosynthesizing? could he have been photosynthesizing? could we have been photosynthesizing? could you have been photosynthesizing? could they have been photosynthesizing?
Fragende Negation Form
Einfache Form
couldn't I photosynthesize? couldn't you photosynthesize? couldn't he photosynthesize? couldn't we photosynthesize? couldn't you photosynthesize? couldn't they photosynthesize?
Form mit V-ing
couldn't I be photosynthesizing? couldn't you be photosynthesizing? couldn't he be photosynthesizing? couldn't we be photosynthesizing? couldn't you be photosynthesizing? couldn't they be photosynthesizing?
Perfekt
couldn't I have photosynthesized? couldn't you have photosynthesized? couldn't he have photosynthesized? couldn't we have photosynthesized? couldn't you have photosynthesized? couldn't they have photosynthesized?
Perfekt mit V-ing
couldn't I have been photosynthesizing? couldn't you have been photosynthesizing? couldn't he have been photosynthesizing? couldn't we have been photosynthesizing? couldn't you have been photosynthesizing? couldn't they have been photosynthesizing?