I can excuse you can excuse she can excuse we can excuse you can excuse they can excuse
Forma com V-ing
I can be excusing you can be excusing she can be excusing we can be excusing you can be excusing they can be excusing
Perfeito
I can have excused you can have excused she can have excused we can have excused you can have excused they can have excused
Perfeito com V-ing
I can have been excusing you can have been excusing she can have been excusing we can have been excusing you can have been excusing they can have been excusing
Negação
Forma simple
I can't excuse you can't excuse she can't excuse we can't excuse you can't excuse they can't excuse
Forma com V-ing
I can't be excusing you can't be excusing she can't be excusing we can't be excusing you can't be excusing they can't be excusing
Perfeito
I can't have excused you can't have excused she can't have excused we can't have excused you can't have excused they can't have excused
Perfeito com V-ing
I can't have been excusing you can't have been excusing she can't have been excusing we can't have been excusing you can't have been excusing they can't have been excusing
Forma interrogativa
Forma simple
can I excuse? can you excuse? can she excuse? can we excuse? can you excuse? can they excuse?
Forma com V-ing
can I be excusing? can you be excusing? can she be excusing? can we be excusing? can you be excusing? can they be excusing?
Perfeito
can I have excused? can you have excused? can she have excused? can we have excused? can you have excused? can they have excused?
Perfeito com V-ing
can I have been excusing? can you have been excusing? can she have been excusing? can we have been excusing? can you have been excusing? can they have been excusing?
Forma interro-Negação
Forma simple
can't I excuse? can't you excuse? can't she excuse? can't we excuse? can't you excuse? can't they excuse?
Forma com V-ing
can't I be excusing? can't you be excusing? can't she be excusing? can't we be excusing? can't you be excusing? can't they be excusing?
Perfeito
can't I have excused? can't you have excused? can't she have excused? can't we have excused? can't you have excused? can't they have excused?
Perfeito com V-ing
can't I have been excusing? can't you have been excusing? can't she have been excusing? can't we have been excusing? can't you have been excusing? can't they have been excusing?