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