I'll be succumbing you'll be succumbing she'll be succumbing we'll be succumbing you'll be succumbing they'll be succumbing
Perfect
I'll have succumbed you'll have succumbed she'll have succumbed we'll have succumbed you'll have succumbed they'll have succumbed
V-ing perfect
I'll have been succumbing you'll have been succumbing she'll have been succumbing we'll have been succumbing you'll have been succumbing they'll have been succumbing
Negation
Simple form
I shan't succumb you shan't succumb she shan't succumb we shan't succumb you shan't succumb they shan't succumb
V-ing form
I shan't be succumbing you shan't be succumbing she shan't be succumbing we shan't be succumbing you shan't be succumbing they shan't be succumbing
Perfect
I shan't have succumbed you shan't have succumbed she shan't have succumbed we shan't have succumbed you shan't have succumbed they shan't have succumbed
V-ing perfect
I shan't have been succumbing you shan't have been succumbing she shan't have been succumbing we shan't have been succumbing you shan't have been succumbing they shan't have been succumbing
Interrogative form
Simple form
shall I succumb? shall you succumb? shall she succumb? shall we succumb? shall you succumb? shall they succumb?
V-ing form
shall I be succumbing? shall you be succumbing? shall she be succumbing? shall we be succumbing? shall you be succumbing? shall they be succumbing?
Perfect
shall I have succumbed? shall you have succumbed? shall she have succumbed? shall we have succumbed? shall you have succumbed? shall they have succumbed?
V-ing perfect
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
shan't I succumb? shan't you succumb? shan't she succumb? shan't we succumb? shan't you succumb? shan't they succumb?
V-ing form
shan't I be succumbing? shan't you be succumbing? shan't she be succumbing? shan't we be succumbing? shan't you be succumbing? shan't they be succumbing?
Perfect
shan't I have succumbed? shan't you have succumbed? shan't she have succumbed? shan't we have succumbed? shan't you have succumbed? shan't they have succumbed?
V-ing perfect
shan't I have been succumbing? shan't you have been succumbing? shan't she have been succumbing? shan't we have been succumbing? shan't you have been succumbing? shan't they have been succumbing?