should excuse
Verbo regular: excuse - excused- excused

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

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