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