could choose
Verbo irregular: choose - chose- chosen

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could choose
you could choose
he could choose
we could choose
you could choose
they could choose 	I could be choosing
you could be choosing
he could be choosing
we could be choosing
you could be choosing
they could be choosing	I could have chosen
you could have chosen
he could have chosen
we could have chosen
you could have chosen
they could have chosen	I could have been choosing
you could have been choosing
he could have been choosing
we could have been choosing
you could have been choosing
they could have been choosing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't choose
you couldn't choose
he couldn't choose
we couldn't choose
you couldn't choose
they couldn't choose 	I couldn't be choosing
you couldn't be choosing
he couldn't be choosing
we couldn't be choosing
you couldn't be choosing
they couldn't be choosing	I couldn't have chosen
you couldn't have chosen
he couldn't have chosen
we couldn't have chosen
you couldn't have chosen
they couldn't have chosen	I couldn't have been choosing
you couldn't have been choosing
he couldn't have been choosing
we couldn't have been choosing
you couldn't have been choosing
they couldn't have been choosing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I choose?
could you choose?
could he choose?
could we choose?
could you choose?
could they choose? 	could I be choosing?
could you be choosing?
could he be choosing?
could we be choosing?
could you be choosing?
could they be choosing? 	could I have chosen?
could you have chosen?
could he have chosen?
could we have chosen?
could you have chosen?
could they have chosen? 	could I have been choosing?
could you have been choosing?
could he have been choosing?
could we have been choosing?
could you have been choosing?
could they have been choosing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I choose?
couldn't you choose?
couldn't he choose?
couldn't we choose?
couldn't you choose?
couldn't they choose? 	couldn't I be choosing?
couldn't you be choosing?
couldn't he be choosing?
couldn't we be choosing?
couldn't you be choosing?
couldn't they be choosing? 	couldn't I have chosen?
couldn't you have chosen?
couldn't he have chosen?
couldn't we have chosen?
couldn't you have chosen?
couldn't they have chosen? 	couldn't I have been choosing?
couldn't you have been choosing?
couldn't he have been choosing?
couldn't we have been choosing?
couldn't you have been choosing?
couldn't they have been choosing?