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