should excuse
Verbo regular: excuse - excused- excused

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

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

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

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