should cough
Verbo regular: cough - coughed- coughed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd cough
you'd cough
she'd cough
we'd cough
you'd cough
they'd cough 	I'd be coughing
you'd be coughing
she'd be coughing
we'd be coughing
you'd be coughing
they'd be coughing	I should've coughed
you should've coughed
she should've coughed
we should've coughed
you should've coughed
they should've coughed	I should've been coughing
you should've been coughing
she should've been coughing
we should've been coughing
you should've been coughing
they should've been coughing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't cough
you shouldn't cough
she shouldn't cough
we shouldn't cough
you shouldn't cough
they shouldn't cough 	I shouldn't be coughing
you shouldn't be coughing
she shouldn't be coughing
we shouldn't be coughing
you shouldn't be coughing
they shouldn't be coughing	I shouldn't have coughed
you shouldn't have coughed
she shouldn't have coughed
we shouldn't have coughed
you shouldn't have coughed
they shouldn't have coughed	I shouldn't have been coughing
you shouldn't have been coughing
she shouldn't have been coughing
we shouldn't have been coughing
you shouldn't have been coughing
they shouldn't have been coughing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I cough?
should you cough?
should she cough?
should we cough?
should you cough?
should they cough? 	should I be coughing?
should you be coughing?
should she be coughing?
should we be coughing?
should you be coughing?
should they be coughing? 	should I have coughed?
should you have coughed?
should she have coughed?
should we have coughed?
should you have coughed?
should they have coughed? 	should I have been coughing?
should you have been coughing?
should she have been coughing?
should we have been coughing?
should you have been coughing?
should they have been coughing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I cough?
shouldn't you cough?
shouldn't she cough?
shouldn't we cough?
shouldn't you cough?
shouldn't they cough? 	shouldn't I be coughing?
shouldn't you be coughing?
shouldn't she be coughing?
shouldn't we be coughing?
shouldn't you be coughing?
shouldn't they be coughing? 	shouldn't I have coughed?
shouldn't you have coughed?
shouldn't she have coughed?
shouldn't we have coughed?
shouldn't you have coughed?
shouldn't they have coughed? 	shouldn't I have been coughing?
shouldn't you have been coughing?
shouldn't she have been coughing?
shouldn't we have been coughing?
shouldn't you have been coughing?
shouldn't they have been coughing?