Conjugación del verbo inglés
CAN EXCUSE

Verbo regular: excuse - excused - excused

Afirmación

Forma simple	Forma con V-ing
I can excuse you can excuse he can excuse we can excuse you can excuse they can excuse	I can be excusing you can be excusing he can be excusing we can be excusing you can be excusing they can be excusing
Perfecto	Perfecto con V-ing
I can have excused you can have excused he can have excused we can have excused you can have excused they can have excused	I can have been excusing you can have been excusing he can have been excusing we can have been excusing you can have been excusing they can have been excusing

Negación

Forma simple	Forma con V-ing
I cannot excuse you cannot excuse he cannot excuse we cannot excuse you cannot excuse they cannot excuse	I cannot be excusing you cannot be excusing he cannot be excusing we cannot be excusing you cannot be excusing they cannot be excusing
Perfecto	Perfecto con V-ing
I cannot have excused you cannot have excused he cannot have excused we cannot have excused you cannot have excused they cannot have excused	I cannot have been excusing you cannot have been excusing he cannot have been excusing we cannot have been excusing you cannot have been excusing they cannot have been excusing

Forma interrogativa

Forma simple	Forma con V-ing
can I excuse? can you excuse? can he excuse? can we excuse? can you excuse? can they excuse?	can I be excusing? can you be excusing? can he be excusing? can we be excusing? can you be excusing? can they be excusing?
Perfecto	Perfecto con V-ing
can I have excused? can you have excused? can he have excused? can we have excused? can you have excused? can they have excused?	can I have been excusing? can you have been excusing? can he have been excusing? can we have been excusing? can you have been excusing? can they have been excusing?

Forma interro-negativa

Forma simple	Forma con V-ing
can I not excuse? can you not excuse? can he not excuse? can we not excuse? can you not excuse? can they not excuse?	can I not be excusing? can you not be excusing? can he not be excusing? can we not be excusing? can you not be excusing? can they not be excusing?
Perfecto	Perfecto con V-ing
can I not have excused? can you not have excused? can he not have excused? can we not have excused? can you not have excused? can they not have excused?	can I not have been excusing? can you not have been excusing? can he not have been excusing? can we not have been excusing? can you not have been excusing? can they not have been excusing?