could photosynthesize
Verbe régulier : photosynthesize - photosynthesized- photosynthesized
Traduction française : fabriquer par photosynthèse 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could photosynthesize
you could photosynthesize
he could photosynthesize
we could photosynthesize
you could photosynthesize
they could photosynthesize 	I could be photosynthesizing
you could be photosynthesizing
he could be photosynthesizing
we could be photosynthesizing
you could be photosynthesizing
they could be photosynthesizing	I could have photosynthesized
you could have photosynthesized
he could have photosynthesized
we could have photosynthesized
you could have photosynthesized
they could have photosynthesized	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	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't photosynthesize
you couldn't photosynthesize
he couldn't photosynthesize
we couldn't photosynthesize
you couldn't photosynthesize
they couldn't photosynthesize 	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	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	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	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I photosynthesize?
could you photosynthesize?
could he photosynthesize?
could we photosynthesize?
could you photosynthesize?
could they photosynthesize? 	could I be photosynthesizing?
could you be photosynthesizing?
could he be photosynthesizing?
could we be photosynthesizing?
could you be photosynthesizing?
could they be photosynthesizing? 	could I have photosynthesized?
could you have photosynthesized?
could he have photosynthesized?
could we have photosynthesized?
could you have photosynthesized?
could they have photosynthesized? 	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? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I photosynthesize?
couldn't you photosynthesize?
couldn't he photosynthesize?
couldn't we photosynthesize?
couldn't you photosynthesize?
couldn't they photosynthesize? 	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? 	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? 	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?