should succumb
Verbo regular: succumb - succumbed- succumbed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should succumb
you should succumb
he should succumb
we should succumb
you should succumb
they should succumb 	I should be succumbing
you should be succumbing
he should be succumbing
we should be succumbing
you should be succumbing
they should be succumbing	I should have succumbed
you should have succumbed
he should have succumbed
we should have succumbed
you should have succumbed
they should have succumbed	I should have been succumbing
you should have been succumbing
he should have been succumbing
we should have been succumbing
you should have been succumbing
they should have been succumbing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not succumb
you should not succumb
he should not succumb
we should not succumb
you should not succumb
they should not succumb 	I should not be succumbing
you should not be succumbing
he should not be succumbing
we should not be succumbing
you should not be succumbing
they should not be succumbing	I should not have succumbed
you should not have succumbed
he should not have succumbed
we should not have succumbed
you should not have succumbed
they should not have succumbed	I should not have been succumbing
you should not have been succumbing
he should not have been succumbing
we should not have been succumbing
you should not have been succumbing
they should not have been succumbing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I succumb?
should you succumb?
should he succumb?
should we succumb?
should you succumb?
should they succumb? 	should I be succumbing?
should you be succumbing?
should he be succumbing?
should we be succumbing?
should you be succumbing?
should they be succumbing? 	should I have succumbed?
should you have succumbed?
should he have succumbed?
should we have succumbed?
should you have succumbed?
should they have succumbed? 	should I have been succumbing?
should you have been succumbing?
should he have been succumbing?
should we have been succumbing?
should you have been succumbing?
should they have been succumbing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not succumb?
should you not succumb?
should he not succumb?
should we not succumb?
should you not succumb?
should they not succumb? 	should I not be succumbing?
should you not be succumbing?
should he not be succumbing?
should we not be succumbing?
should you not be succumbing?
should they not be succumbing? 	should I not have succumbed?
should you not have succumbed?
should he not have succumbed?
should we not have succumbed?
should you not have succumbed?
should they not have succumbed? 	should I not have been succumbing?
should you not have been succumbing?
should he not have been succumbing?
should we not have been succumbing?
should you not have been succumbing?
should they not have been succumbing?