could select
Verbo regular: select - selected- selected

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could select
you could select
he could select
we could select
you could select
they could select 	I could be selecting
you could be selecting
he could be selecting
we could be selecting
you could be selecting
they could be selecting	I could have selected
you could have selected
he 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
he could have been selecting
we could have been selecting
you could have been selecting
they could have been selecting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not select
you could not select
he could not select
we could not select
you could not select
they could not select 	I could not be selecting
you could not be selecting
he could not be selecting
we could not be selecting
you could not be selecting
they could not be selecting	I could not have selected
you could not have selected
he could not have selected
we could not have selected
you could not have selected
they could not have selected	I could not have been selecting
you could not have been selecting
he could not have been selecting
we could not have been selecting
you could not have been selecting
they could not have been selecting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I select?
could you select?
could he select?
could we select?
could you select?
could they select? 	could I be selecting?
could you be selecting?
could he be selecting?
could we be selecting?
could you be selecting?
could they be selecting? 	could I have selected?
could you have selected?
could he 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 he have been selecting?
could we have been selecting?
could you have been selecting?
could they have been selecting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not select?
could you not select?
could he not select?
could we not select?
could you not select?
could they not select? 	could I not be selecting?
could you not be selecting?
could he not be selecting?
could we not be selecting?
could you not be selecting?
could they not be selecting? 	could I not have selected?
could you not have selected?
could he not have selected?
could we not have selected?
could you not have selected?
could they not have selected? 	could I not have been selecting?
could you not have been selecting?
could he not have been selecting?
could we not have been selecting?
could you not have been selecting?
could they not have been selecting?