English verb conjugation
MAY BRIEF

Regular verb: brief - briefed - briefed

Affirmation

Simple form	V-ing form
I may brief you may brief he may brief we may brief you may brief they may brief	I may be briefing you may be briefing he 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 he 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 he 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 he 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 he 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 he 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 he 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 he brief? may we brief? may you brief? may they brief?	may I be briefing? may you be briefing? may he 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 he 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 he 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 he 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 he 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 he 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 he have been briefing? mayn't we have been briefing? mayn't you have been briefing? mayn't they have been briefing?