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