I can attempt you can attempt she can attempt we can attempt you can attempt they can attempt
Forma com V-ing
I can be attempting you can be attempting she can be attempting we can be attempting you can be attempting they can be attempting
Perfeito
I can have attempted you can have attempted she can have attempted we can have attempted you can have attempted they can have attempted
Perfeito com V-ing
I can have been attempting you can have been attempting she can have been attempting we can have been attempting you can have been attempting they can have been attempting
Negação
Forma simple
I can't attempt you can't attempt she can't attempt we can't attempt you can't attempt they can't attempt
Forma com V-ing
I can't be attempting you can't be attempting she can't be attempting we can't be attempting you can't be attempting they can't be attempting
Perfeito
I can't have attempted you can't have attempted she can't have attempted we can't have attempted you can't have attempted they can't have attempted
Perfeito com V-ing
I can't have been attempting you can't have been attempting she can't have been attempting we can't have been attempting you can't have been attempting they can't have been attempting
Forma interrogativa
Forma simple
can I attempt? can you attempt? can she attempt? can we attempt? can you attempt? can they attempt?
Forma com V-ing
can I be attempting? can you be attempting? can she be attempting? can we be attempting? can you be attempting? can they be attempting?
Perfeito
can I have attempted? can you have attempted? can she have attempted? can we have attempted? can you have attempted? can they have attempted?
Perfeito com V-ing
can I have been attempting? can you have been attempting? can she have been attempting? can we have been attempting? can you have been attempting? can they have been attempting?
Forma interro-Negação
Forma simple
can't I attempt? can't you attempt? can't she attempt? can't we attempt? can't you attempt? can't they attempt?
Forma com V-ing
can't I be attempting? can't you be attempting? can't she be attempting? can't we be attempting? can't you be attempting? can't they be attempting?
Perfeito
can't I have attempted? can't you have attempted? can't she have attempted? can't we have attempted? can't you have attempted? can't they have attempted?
Perfeito com V-ing
can't I have been attempting? can't you have been attempting? can't she have been attempting? can't we have been attempting? can't you have been attempting? can't they have been attempting?