could determine
Verbo regular: determine - determined- determined

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could determine
you could determine
he could determine
we could determine
you could determine
they could determine 	I could be determining
you could be determining
he could be determining
we could be determining
you could be determining
they could be determining	I could have determined
you could have determined
he could have determined
we could have determined
you could have determined
they could have determined	I could have been determining
you could have been determining
he could have been determining
we could have been determining
you could have been determining
they could have been determining	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't determine
you couldn't determine
he couldn't determine
we couldn't determine
you couldn't determine
they couldn't determine 	I couldn't be determining
you couldn't be determining
he couldn't be determining
we couldn't be determining
you couldn't be determining
they couldn't be determining	I couldn't have determined
you couldn't have determined
he couldn't have determined
we couldn't have determined
you couldn't have determined
they couldn't have determined	I couldn't have been determining
you couldn't have been determining
he couldn't have been determining
we couldn't have been determining
you couldn't have been determining
they couldn't have been determining	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I determine?
could you determine?
could he determine?
could we determine?
could you determine?
could they determine? 	could I be determining?
could you be determining?
could he be determining?
could we be determining?
could you be determining?
could they be determining? 	could I have determined?
could you have determined?
could he have determined?
could we have determined?
could you have determined?
could they have determined? 	could I have been determining?
could you have been determining?
could he have been determining?
could we have been determining?
could you have been determining?
could they have been determining? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I determine?
couldn't you determine?
couldn't he determine?
couldn't we determine?
couldn't you determine?
couldn't they determine? 	couldn't I be determining?
couldn't you be determining?
couldn't he be determining?
couldn't we be determining?
couldn't you be determining?
couldn't they be determining? 	couldn't I have determined?
couldn't you have determined?
couldn't he have determined?
couldn't we have determined?
couldn't you have determined?
couldn't they have determined? 	couldn't I have been determining?
couldn't you have been determining?
couldn't he have been determining?
couldn't we have been determining?
couldn't you have been determining?
couldn't they have been determining?