Conjugación del verbo inglés
COULD EXCUSE

Verbo regular: excuse - excused - excused

Afirmación

Forma simple	Forma con 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
Perfecto	Perfecto con 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

Negación

Forma simple	Forma con V-ing
I couldn't excuse you couldn't excuse she couldn't excuse we couldn't excuse you couldn't excuse they couldn't excuse	I couldn't be excusing you couldn't be excusing she couldn't be excusing we couldn't be excusing you couldn't be excusing they couldn't be excusing
Perfecto	Perfecto con V-ing
I couldn't have excused you couldn't have excused she couldn't have excused we couldn't have excused you couldn't have excused they couldn't have excused	I couldn't have been excusing you couldn't have been excusing she couldn't have been excusing we couldn't have been excusing you couldn't have been excusing they couldn't have been excusing

Forma interrogativa

Forma simple	Forma con 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?
Perfecto	Perfecto con 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-negativa

Forma simple	Forma con V-ing
couldn't I excuse? couldn't you excuse? couldn't she excuse? couldn't we excuse? couldn't you excuse? couldn't they excuse?	couldn't I be excusing? couldn't you be excusing? couldn't she be excusing? couldn't we be excusing? couldn't you be excusing? couldn't they be excusing?
Perfecto	Perfecto con V-ing
couldn't I have excused? couldn't you have excused? couldn't she have excused? couldn't we have excused? couldn't you have excused? couldn't they have excused?	couldn't I have been excusing? couldn't you have been excusing? couldn't she have been excusing? couldn't we have been excusing? couldn't you have been excusing? couldn't they have been excusing?