could excuse
Verbo regular: excuse - excused- excused

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