should cough
Verbo regular: cough - coughed- coughed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should cough
you should cough
he should cough
we should cough
you should cough
they should cough 	I should be coughing
you should be coughing
he should be coughing
we should be coughing
you should be coughing
they should be coughing	I should have coughed
you should have coughed
he should have coughed
we should have coughed
you should have coughed
they should have coughed	I should have been coughing
you should have been coughing
he should have been coughing
we should have been coughing
you should have been coughing
they should have been coughing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not cough
you should not cough
he should not cough
we should not cough
you should not cough
they should not cough 	I should not be coughing
you should not be coughing
he should not be coughing
we should not be coughing
you should not be coughing
they should not be coughing	I should not have coughed
you should not have coughed
he should not have coughed
we should not have coughed
you should not have coughed
they should not have coughed	I should not have been coughing
you should not have been coughing
he should not have been coughing
we should not have been coughing
you should not have been coughing
they should not have been coughing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I cough?
should you cough?
should he cough?
should we cough?
should you cough?
should they cough? 	should I be coughing?
should you be coughing?
should he be coughing?
should we be coughing?
should you be coughing?
should they be coughing? 	should I have coughed?
should you have coughed?
should he 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 he have been coughing?
should we have been coughing?
should you have been coughing?
should they have been coughing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not cough?
should you not cough?
should he not cough?
should we not cough?
should you not cough?
should they not cough? 	should I not be coughing?
should you not be coughing?
should he not be coughing?
should we not be coughing?
should you not be coughing?
should they not be coughing? 	should I not have coughed?
should you not have coughed?
should he not have coughed?
should we not have coughed?
should you not have coughed?
should they not have coughed? 	should I not have been coughing?
should you not have been coughing?
should he not have been coughing?
should we not have been coughing?
should you not have been coughing?
should they not have been coughing?