should chair
Verbo regular: chair - chaired- chaired

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should chair
you should chair
he should chair
we should chair
you should chair
they should chair 	I should be chairing
you should be chairing
he should be chairing
we should be chairing
you should be chairing
they should be chairing	I should have chaired
you should have chaired
he should have chaired
we should have chaired
you should have chaired
they should have chaired	I should have been chairing
you should have been chairing
he should have been chairing
we should have been chairing
you should have been chairing
they should have been chairing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not chair
you should not chair
he should not chair
we should not chair
you should not chair
they should not chair 	I should not be chairing
you should not be chairing
he should not be chairing
we should not be chairing
you should not be chairing
they should not be chairing	I should not have chaired
you should not have chaired
he should not have chaired
we should not have chaired
you should not have chaired
they should not have chaired	I should not have been chairing
you should not have been chairing
he should not have been chairing
we should not have been chairing
you should not have been chairing
they should not have been chairing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I chair?
should you chair?
should he chair?
should we chair?
should you chair?
should they chair? 	should I be chairing?
should you be chairing?
should he be chairing?
should we be chairing?
should you be chairing?
should they be chairing? 	should I have chaired?
should you have chaired?
should he have chaired?
should we have chaired?
should you have chaired?
should they have chaired? 	should I have been chairing?
should you have been chairing?
should he have been chairing?
should we have been chairing?
should you have been chairing?
should they have been chairing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not chair?
should you not chair?
should he not chair?
should we not chair?
should you not chair?
should they not chair? 	should I not be chairing?
should you not be chairing?
should he not be chairing?
should we not be chairing?
should you not be chairing?
should they not be chairing? 	should I not have chaired?
should you not have chaired?
should he not have chaired?
should we not have chaired?
should you not have chaired?
should they not have chaired? 	should I not have been chairing?
should you not have been chairing?
should he not have been chairing?
should we not have been chairing?
should you not have been chairing?
should they not have been chairing?