English verb conjugation
MAY BRIEF

Regular verb: brief - briefed - briefed

Affirmation

Simple form	V-ing form
I may brief you may brief she may brief we may brief you may brief they may brief	I may be briefing you may be briefing she may be briefing we may be briefing you may be briefing they may be briefing
Perfect	V-ing perfect
I may have briefed you may have briefed she may have briefed we may have briefed you may have briefed they may have briefed	I may have been briefing you may have been briefing she may have been briefing we may have been briefing you may have been briefing they may have been briefing

Negation

Simple form	V-ing form
I mayn't brief you mayn't brief she mayn't brief we mayn't brief you mayn't brief they mayn't brief	I mayn't be briefing you mayn't be briefing she mayn't be briefing we mayn't be briefing you mayn't be briefing they mayn't be briefing
Perfect	V-ing perfect
I mayn't have briefed you mayn't have briefed she mayn't have briefed we mayn't have briefed you mayn't have briefed they mayn't have briefed	I mayn't have been briefing you mayn't have been briefing she mayn't have been briefing we mayn't have been briefing you mayn't have been briefing they mayn't have been briefing

Interrogative form

Simple form	V-ing form
may I brief? may you brief? may she brief? may we brief? may you brief? may they brief?	may I be briefing? may you be briefing? may she be briefing? may we be briefing? may you be briefing? may they be briefing?
Perfect	V-ing perfect
may I have briefed? may you have briefed? may she have briefed? may we have briefed? may you have briefed? may they have briefed?	may I have been briefing? may you have been briefing? may she have been briefing? may we have been briefing? may you have been briefing? may they have been briefing?

Interro-negative form

Simple form	V-ing form
mayn't I brief? mayn't you brief? mayn't she brief? mayn't we brief? mayn't you brief? mayn't they brief?	mayn't I be briefing? mayn't you be briefing? mayn't she be briefing? mayn't we be briefing? mayn't you be briefing? mayn't they be briefing?
Perfect	V-ing perfect
mayn't I have briefed? mayn't you have briefed? mayn't she have briefed? mayn't we have briefed? mayn't you have briefed? mayn't they have briefed?	mayn't I have been briefing? mayn't you have been briefing? mayn't she have been briefing? mayn't we have been briefing? mayn't you have been briefing? mayn't they have been briefing?