I can regain you can regain he can regain we can regain you can regain they can regain
Forma com V-ing
I can be regaining you can be regaining he can be regaining we can be regaining you can be regaining they can be regaining
Perfeito
I can have regained you can have regained he can have regained we can have regained you can have regained they can have regained
Perfeito com V-ing
I can have been regaining you can have been regaining he can have been regaining we can have been regaining you can have been regaining they can have been regaining
Negação
Forma simple
I cannot regain you cannot regain he cannot regain we cannot regain you cannot regain they cannot regain
Forma com V-ing
I cannot be regaining you cannot be regaining he cannot be regaining we cannot be regaining you cannot be regaining they cannot be regaining
Perfeito
I cannot have regained you cannot have regained he cannot have regained we cannot have regained you cannot have regained they cannot have regained
Perfeito com V-ing
I cannot have been regaining you cannot have been regaining he cannot have been regaining we cannot have been regaining you cannot have been regaining they cannot have been regaining
Forma interrogativa
Forma simple
can I regain? can you regain? can he regain? can we regain? can you regain? can they regain?
Forma com V-ing
can I be regaining? can you be regaining? can he be regaining? can we be regaining? can you be regaining? can they be regaining?
Perfeito
can I have regained? can you have regained? can he have regained? can we have regained? can you have regained? can they have regained?
Perfeito com V-ing
can I have been regaining? can you have been regaining? can he have been regaining? can we have been regaining? can you have been regaining? can they have been regaining?
Forma interro-Negação
Forma simple
can I not regain? can you not regain? can he not regain? can we not regain? can you not regain? can they not regain?
Forma com V-ing
can I not be regaining? can you not be regaining? can he not be regaining? can we not be regaining? can you not be regaining? can they not be regaining?
Perfeito
can I not have regained? can you not have regained? can he not have regained? can we not have regained? can you not have regained? can they not have regained?
Perfeito com V-ing
can I not have been regaining? can you not have been regaining? can he not have been regaining? can we not have been regaining? can you not have been regaining? can they not have been regaining?