shall succumb
Regular verb: succumb - succumbed- succumbed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall succumb
you shall succumb
she shall succumb
we shall succumb
you shall succumb
they shall succumb 	I shall be succumbing
you shall be succumbing
she shall be succumbing
we shall be succumbing
you shall be succumbing
they shall be succumbing	I shall have succumbed
you shall have succumbed
she shall have succumbed
we shall have succumbed
you shall have succumbed
they shall have succumbed	I shall have been succumbing
you shall have been succumbing
she shall have been succumbing
we shall have been succumbing
you shall have been succumbing
they shall have been succumbing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not succumb
you shall not succumb
she shall not succumb
we shall not succumb
you shall not succumb
they shall not succumb 	I shall not be succumbing
you shall not be succumbing
she shall not be succumbing
we shall not be succumbing
you shall not be succumbing
they shall not be succumbing	I shall not have succumbed
you shall not have succumbed
she shall not have succumbed
we shall not have succumbed
you shall not have succumbed
they shall not have succumbed	I shall not have been succumbing
you shall not have been succumbing
she shall not have been succumbing
we shall not have been succumbing
you shall not have been succumbing
they shall not have been succumbing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I succumb?
shall you succumb?
shall she succumb?
shall we succumb?
shall you succumb?
shall they succumb? 	shall I be succumbing?
shall you be succumbing?
shall she be succumbing?
shall we be succumbing?
shall you be succumbing?
shall they be succumbing? 	shall I have succumbed?
shall you have succumbed?
shall she have succumbed?
shall we have succumbed?
shall you have succumbed?
shall they have succumbed? 	shall I have been succumbing?
shall you have been succumbing?
shall she have been succumbing?
shall we have been succumbing?
shall you have been succumbing?
shall they have been succumbing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I not succumb?
shall you not succumb?
shall she not succumb?
shall we not succumb?
shall you not succumb?
shall they not succumb? 	shall I not be succumbing?
shall you not be succumbing?
shall she not be succumbing?
shall we not be succumbing?
shall you not be succumbing?
shall they not be succumbing? 	shall I not have succumbed?
shall you not have succumbed?
shall she not have succumbed?
shall we not have succumbed?
shall you not have succumbed?
shall they not have succumbed? 	shall I not have been succumbing?
shall you not have been succumbing?
shall she not have been succumbing?
shall we not have been succumbing?
shall you not have been succumbing?
shall they not have been succumbing?