I can select you can select she can select we can select you can select they can select
Forma com V-ing
I can be selecting you can be selecting she can be selecting we can be selecting you can be selecting they can be selecting
Perfeito
I can have selected you can have selected she can have selected we can have selected you can have selected they can have selected
Perfeito com V-ing
I can have been selecting you can have been selecting she can have been selecting we can have been selecting you can have been selecting they can have been selecting
Negação
Forma simple
I cannot select you cannot select she cannot select we cannot select you cannot select they cannot select
Forma com V-ing
I cannot be selecting you cannot be selecting she cannot be selecting we cannot be selecting you cannot be selecting they cannot be selecting
Perfeito
I cannot have selected you cannot have selected she cannot have selected we cannot have selected you cannot have selected they cannot have selected
Perfeito com V-ing
I cannot have been selecting you cannot have been selecting she cannot have been selecting we cannot have been selecting you cannot have been selecting they cannot have been selecting
Forma interrogativa
Forma simple
can I select? can you select? can she select? can we select? can you select? can they select?
Forma com V-ing
can I be selecting? can you be selecting? can she be selecting? can we be selecting? can you be selecting? can they be selecting?
Perfeito
can I have selected? can you have selected? can she have selected? can we have selected? can you have selected? can they have selected?
Perfeito com V-ing
can I have been selecting? can you have been selecting? can she have been selecting? can we have been selecting? can you have been selecting? can they have been selecting?
Forma interro-Negação
Forma simple
can I not select? can you not select? can she not select? can we not select? can you not select? can they not select?
Forma com V-ing
can I not be selecting? can you not be selecting? can she not be selecting? can we not be selecting? can you not be selecting? can they not be selecting?
Perfeito
can I not have selected? can you not have selected? can she not have selected? can we not have selected? can you not have selected? can they not have selected?
Perfeito com V-ing
can I not have been selecting? can you not have been selecting? can she not have been selecting? can we not have been selecting? can you not have been selecting? can they not have been selecting?