I'll be undertaking you'll be undertaking he'll be undertaking we'll be undertaking you'll be undertaking they'll be undertaking
Perfect
I'll have undertaken you'll have undertaken he'll have undertaken we'll have undertaken you'll have undertaken they'll have undertaken
V-ing perfect
I'll have been undertaking you'll have been undertaking he'll have been undertaking we'll have been undertaking you'll have been undertaking they'll have been undertaking
Negation
Simple form
I shan't undertake you shan't undertake he shan't undertake we shan't undertake you shan't undertake they shan't undertake
V-ing form
I shan't be undertaking you shan't be undertaking he shan't be undertaking we shan't be undertaking you shan't be undertaking they shan't be undertaking
Perfect
I shan't have undertaken you shan't have undertaken he shan't have undertaken we shan't have undertaken you shan't have undertaken they shan't have undertaken
V-ing perfect
I shan't have been undertaking you shan't have been undertaking he shan't have been undertaking we shan't have been undertaking you shan't have been undertaking they shan't have been undertaking
Interrogative form
Simple form
shall I undertake? shall you undertake? shall he undertake? shall we undertake? shall you undertake? shall they undertake?
V-ing form
shall I be undertaking? shall you be undertaking? shall he be undertaking? shall we be undertaking? shall you be undertaking? shall they be undertaking?
Perfect
shall I have undertaken? shall you have undertaken? shall he have undertaken? shall we have undertaken? shall you have undertaken? shall they have undertaken?
V-ing perfect
shall I have been undertaking? shall you have been undertaking? shall he have been undertaking? shall we have been undertaking? shall you have been undertaking? shall they have been undertaking?
Interro-negative form
Simple form
shan't I undertake? shan't you undertake? shan't he undertake? shan't we undertake? shan't you undertake? shan't they undertake?
V-ing form
shan't I be undertaking? shan't you be undertaking? shan't he be undertaking? shan't we be undertaking? shan't you be undertaking? shan't they be undertaking?
Perfect
shan't I have undertaken? shan't you have undertaken? shan't he have undertaken? shan't we have undertaken? shan't you have undertaken? shan't they have undertaken?
V-ing perfect
shan't I have been undertaking? shan't you have been undertaking? shan't he have been undertaking? shan't we have been undertaking? shan't you have been undertaking? shan't they have been undertaking?