I'll be countersigning you'll be countersigning he'll be countersigning we'll be countersigning you'll be countersigning they'll be countersigning
Perfect
I'll have countersigned you'll have countersigned he'll have countersigned we'll have countersigned you'll have countersigned they'll have countersigned
V-ing perfect
I'll have been countersigning you'll have been countersigning he'll have been countersigning we'll have been countersigning you'll have been countersigning they'll have been countersigning
Negation
Simple form
I won't countersign you won't countersign he won't countersign we won't countersign you won't countersign they won't countersign
V-ing form
I won't be countersigning you won't be countersigning he won't be countersigning we won't be countersigning you won't be countersigning they won't be countersigning
Perfect
I won't have countersigned you won't have countersigned he won't have countersigned we won't have countersigned you won't have countersigned they won't have countersigned
V-ing perfect
I won't have been countersigning you won't have been countersigning he won't have been countersigning we won't have been countersigning you won't have been countersigning they won't have been countersigning
Interrogative form
Simple form
will I countersign? will you countersign? will he countersign? will we countersign? will you countersign? will they countersign?
V-ing form
will I be countersigning? will you be countersigning? will he be countersigning? will we be countersigning? will you be countersigning? will they be countersigning?
Perfect
will I have countersigned? will you have countersigned? will he have countersigned? will we have countersigned? will you have countersigned? will they have countersigned?
V-ing perfect
will I have been countersigning? will you have been countersigning? will he have been countersigning? will we have been countersigning? will you have been countersigning? will they have been countersigning?
Interro-negative form
Simple form
won't I countersign? won't you countersign? won't he countersign? won't we countersign? won't you countersign? won't they countersign?
V-ing form
won't I be countersigning? won't you be countersigning? won't he be countersigning? won't we be countersigning? won't you be countersigning? won't they be countersigning?
Perfect
won't I have countersigned? won't you have countersigned? won't he have countersigned? won't we have countersigned? won't you have countersigned? won't they have countersigned?
V-ing perfect
won't I have been countersigning? won't you have been countersigning? won't he have been countersigning? won't we have been countersigning? won't you have been countersigning? won't they have been countersigning?