could select
Verbo regular: select - selected- selected

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could select
you could select
she could select
we could select
you could select
they could select 	I could be selecting
you could be selecting
she could be selecting
we could be selecting
you could be selecting
they could be selecting	I could have selected
you could have selected
she could have selected
we could have selected
you could have selected
they could have selected	I could have been selecting
you could have been selecting
she could have been selecting
we could have been selecting
you could have been selecting
they could have been selecting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't select
you couldn't select
she couldn't select
we couldn't select
you couldn't select
they couldn't select 	I couldn't be selecting
you couldn't be selecting
she couldn't be selecting
we couldn't be selecting
you couldn't be selecting
they couldn't be selecting	I couldn't have selected
you couldn't have selected
she couldn't have selected
we couldn't have selected
you couldn't have selected
they couldn't have selected	I couldn't have been selecting
you couldn't have been selecting
she couldn't have been selecting
we couldn't have been selecting
you couldn't have been selecting
they couldn't have been selecting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I select?
could you select?
could she select?
could we select?
could you select?
could they select? 	could I be selecting?
could you be selecting?
could she be selecting?
could we be selecting?
could you be selecting?
could they be selecting? 	could I have selected?
could you have selected?
could she have selected?
could we have selected?
could you have selected?
could they have selected? 	could I have been selecting?
could you have been selecting?
could she have been selecting?
could we have been selecting?
could you have been selecting?
could they have been selecting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I select?
couldn't you select?
couldn't she select?
couldn't we select?
couldn't you select?
couldn't they select? 	couldn't I be selecting?
couldn't you be selecting?
couldn't she be selecting?
couldn't we be selecting?
couldn't you be selecting?
couldn't they be selecting? 	couldn't I have selected?
couldn't you have selected?
couldn't she have selected?
couldn't we have selected?
couldn't you have selected?
couldn't they have selected? 	couldn't I have been selecting?
couldn't you have been selecting?
couldn't she have been selecting?
couldn't we have been selecting?
couldn't you have been selecting?
couldn't they have been selecting?