Conjugação do verbo inglês
COULD EXCUSE

Verbo regular: excuse - excused - excused

Afirmação

Forma simple	Forma com V-ing
I could excuse you could excuse she could excuse we could excuse you could excuse they could excuse	I could be excusing you could be excusing she could be excusing we could be excusing you could be excusing they could be excusing
Perfeito	Perfeito com V-ing
I could have excused you could have excused she could have excused we could have excused you could have excused they could have excused	I could have been excusing you could have been excusing she could have been excusing we could have been excusing you could have been excusing they could have been excusing

Negação

Forma simple	Forma com V-ing
I could not excuse you could not excuse she could not excuse we could not excuse you could not excuse they could not excuse	I could not be excusing you could not be excusing she could not be excusing we could not be excusing you could not be excusing they could not be excusing
Perfeito	Perfeito com V-ing
I could not have excused you could not have excused she could not have excused we could not have excused you could not have excused they could not have excused	I could not have been excusing you could not have been excusing she could not have been excusing we could not have been excusing you could not have been excusing they could not have been excusing

Forma interrogativa

Forma simple	Forma com V-ing
could I excuse? could you excuse? could she excuse? could we excuse? could you excuse? could they excuse?	could I be excusing? could you be excusing? could she be excusing? could we be excusing? could you be excusing? could they be excusing?
Perfeito	Perfeito com V-ing
could I have excused? could you have excused? could she have excused? could we have excused? could you have excused? could they have excused?	could I have been excusing? could you have been excusing? could she have been excusing? could we have been excusing? could you have been excusing? could they have been excusing?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not excuse? could you not excuse? could she not excuse? could we not excuse? could you not excuse? could they not excuse?	could I not be excusing? could you not be excusing? could she not be excusing? could we not be excusing? could you not be excusing? could they not be excusing?
Perfeito	Perfeito com V-ing
could I not have excused? could you not have excused? could she not have excused? could we not have excused? could you not have excused? could they not have excused?	could I not have been excusing? could you not have been excusing? could she not have been excusing? could we not have been excusing? could you not have been excusing? could they not have been excusing?