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