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 can't regain you can't regain he can't regain we can't regain you can't regain they can't regain
Forma com V-ing
I can't be regaining you can't be regaining he can't be regaining we can't be regaining you can't be regaining they can't be regaining
Perfeito
I can't have regained you can't have regained he can't have regained we can't have regained you can't have regained they can't have regained
Perfeito com V-ing
I can't have been regaining you can't have been regaining he can't have been regaining we can't have been regaining you can't have been regaining they can't 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't I regain? can't you regain? can't he regain? can't we regain? can't you regain? can't they regain?
Forma com V-ing
can't I be regaining? can't you be regaining? can't he be regaining? can't we be regaining? can't you be regaining? can't they be regaining?
Perfeito
can't I have regained? can't you have regained? can't he have regained? can't we have regained? can't you have regained? can't they have regained?
Perfeito com V-ing
can't I have been regaining? can't you have been regaining? can't he have been regaining? can't we have been regaining? can't you have been regaining? can't they have been regaining?