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