I'll be briefing you'll be briefing she'll be briefing we'll be briefing you'll be briefing they'll be briefing
Perfect
I'll have briefed you'll have briefed she'll have briefed we'll have briefed you'll have briefed they'll have briefed
V-ing perfect
I'll have been briefing you'll have been briefing she'll have been briefing we'll have been briefing you'll have been briefing they'll have been briefing
Negation
Simple form
I shan't brief you shan't brief she shan't brief we shan't brief you shan't brief they shan't brief
V-ing form
I shan't be briefing you shan't be briefing she shan't be briefing we shan't be briefing you shan't be briefing they shan't be briefing
Perfect
I shan't have briefed you shan't have briefed she shan't have briefed we shan't have briefed you shan't have briefed they shan't have briefed
V-ing perfect
I shan't have been briefing you shan't have been briefing she shan't have been briefing we shan't have been briefing you shan't have been briefing they shan't have been briefing
Interrogative form
Simple form
shall I brief? shall you brief? shall she brief? shall we brief? shall you brief? shall they brief?
V-ing form
shall I be briefing? shall you be briefing? shall she be briefing? shall we be briefing? shall you be briefing? shall they be briefing?
Perfect
shall I have briefed? shall you have briefed? shall she have briefed? shall we have briefed? shall you have briefed? shall they have briefed?
V-ing perfect
shall I have been briefing? shall you have been briefing? shall she have been briefing? shall we have been briefing? shall you have been briefing? shall they have been briefing?
Interro-negative form
Simple form
shan't I brief? shan't you brief? shan't she brief? shan't we brief? shan't you brief? shan't they brief?
V-ing form
shan't I be briefing? shan't you be briefing? shan't she be briefing? shan't we be briefing? shan't you be briefing? shan't they be briefing?
Perfect
shan't I have briefed? shan't you have briefed? shan't she have briefed? shan't we have briefed? shan't you have briefed? shan't they have briefed?
V-ing perfect
shan't I have been briefing? shan't you have been briefing? shan't she have been briefing? shan't we have been briefing? shan't you have been briefing? shan't they have been briefing?