can succumb
Verbo regular: succumb - succumbed- succumbed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can succumb
you can succumb
he can succumb
we can succumb
you can succumb
they can succumb 	I can be succumbing
you can be succumbing
he can be succumbing
we can be succumbing
you can be succumbing
they can be succumbing	I can have succumbed
you can have succumbed
he can have succumbed
we can have succumbed
you can have succumbed
they can have succumbed	I can have been succumbing
you can have been succumbing
he can have been succumbing
we can have been succumbing
you can have been succumbing
they can have been succumbing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot succumb
you cannot succumb
he cannot succumb
we cannot succumb
you cannot succumb
they cannot succumb 	I cannot be succumbing
you cannot be succumbing
he cannot be succumbing
we cannot be succumbing
you cannot be succumbing
they cannot be succumbing	I cannot have succumbed
you cannot have succumbed
he cannot have succumbed
we cannot have succumbed
you cannot have succumbed
they cannot have succumbed	I cannot have been succumbing
you cannot have been succumbing
he cannot have been succumbing
we cannot have been succumbing
you cannot have been succumbing
they cannot have been succumbing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I succumb?
can you succumb?
can he succumb?
can we succumb?
can you succumb?
can they succumb? 	can I be succumbing?
can you be succumbing?
can he be succumbing?
can we be succumbing?
can you be succumbing?
can they be succumbing? 	can I have succumbed?
can you have succumbed?
can he have succumbed?
can we have succumbed?
can you have succumbed?
can they have succumbed? 	can I have been succumbing?
can you have been succumbing?
can he have been succumbing?
can we have been succumbing?
can you have been succumbing?
can they have been succumbing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not succumb?
can you not succumb?
can he not succumb?
can we not succumb?
can you not succumb?
can they not succumb? 	can I not be succumbing?
can you not be succumbing?
can he not be succumbing?
can we not be succumbing?
can you not be succumbing?
can they not be succumbing? 	can I not have succumbed?
can you not have succumbed?
can he not have succumbed?
can we not have succumbed?
can you not have succumbed?
can they not have succumbed? 	can I not have been succumbing?
can you not have been succumbing?
can he not have been succumbing?
can we not have been succumbing?
can you not have been succumbing?
can they not have been succumbing?