I could select you could select he could select we could select you could select they could select
Forma com V-ing
I could be selecting you could be selecting he could be selecting we could be selecting you could be selecting they could be selecting
Perfeito
I could have selected you could have selected he could have selected we could have selected you could have selected they could have selected
Perfeito com V-ing
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
I couldn't select you couldn't select he couldn't select we couldn't select you couldn't select they couldn't select
Forma com V-ing
I couldn't be selecting you couldn't be selecting he couldn't be selecting we couldn't be selecting you couldn't be selecting they couldn't be selecting
Perfeito
I couldn't have selected you couldn't have selected he couldn't have selected we couldn't have selected you couldn't have selected they couldn't have selected
Perfeito com V-ing
I couldn't have been selecting you couldn't have been selecting he 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
could I select? could you select? could he select? could we select? could you select? could they select?
Forma com V-ing
could I be selecting? could you be selecting? could he be selecting? could we be selecting? could you be selecting? could they be selecting?
Perfeito
could I have selected? could you have selected? could he have selected? could we have selected? could you have selected? could they have selected?
Perfeito com V-ing
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
couldn't I select? couldn't you select? couldn't he select? couldn't we select? couldn't you select? couldn't they select?
Forma com V-ing
couldn't I be selecting? couldn't you be selecting? couldn't he be selecting? couldn't we be selecting? couldn't you be selecting? couldn't they be selecting?
Perfeito
couldn't I have selected? couldn't you have selected? couldn't he have selected? couldn't we have selected? couldn't you have selected? couldn't they have selected?
Perfeito com V-ing
couldn't I have been selecting? couldn't you have been selecting? couldn't he have been selecting? couldn't we have been selecting? couldn't you have been selecting? couldn't they have been selecting?