should perform
Verbo regular: perform - performed- performed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should perform
you should perform
he should perform
we should perform
you should perform
they should perform 	I should be performing
you should be performing
he should be performing
we should be performing
you should be performing
they should be performing	I should have performed
you should have performed
he should have performed
we should have performed
you should have performed
they should have performed	I should have been performing
you should have been performing
he should have been performing
we should have been performing
you should have been performing
they should have been performing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not perform
you should not perform
he should not perform
we should not perform
you should not perform
they should not perform 	I should not be performing
you should not be performing
he should not be performing
we should not be performing
you should not be performing
they should not be performing	I should not have performed
you should not have performed
he should not have performed
we should not have performed
you should not have performed
they should not have performed	I should not have been performing
you should not have been performing
he should not have been performing
we should not have been performing
you should not have been performing
they should not have been performing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I perform?
should you perform?
should he perform?
should we perform?
should you perform?
should they perform? 	should I be performing?
should you be performing?
should he be performing?
should we be performing?
should you be performing?
should they be performing? 	should I have performed?
should you have performed?
should he have performed?
should we have performed?
should you have performed?
should they have performed? 	should I have been performing?
should you have been performing?
should he have been performing?
should we have been performing?
should you have been performing?
should they have been performing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not perform?
should you not perform?
should he not perform?
should we not perform?
should you not perform?
should they not perform? 	should I not be performing?
should you not be performing?
should he not be performing?
should we not be performing?
should you not be performing?
should they not be performing? 	should I not have performed?
should you not have performed?
should he not have performed?
should we not have performed?
should you not have performed?
should they not have performed? 	should I not have been performing?
should you not have been performing?
should he not have been performing?
should we not have been performing?
should you not have been performing?
should they not have been performing?