I may write you may write she may write we may write you may write they may write
V-ing form
I may be writing you may be writing she may be writing we may be writing you may be writing they may be writing
Perfect
I may have written you may have written she may have written we may have written you may have written they may have written
V-ing perfect
I may have been writing you may have been writing she may have been writing we may have been writing you may have been writing they may have been writing
Negation
Simple form
I mayn't write you mayn't write she mayn't write we mayn't write you mayn't write they mayn't write
V-ing form
I mayn't be writing you mayn't be writing she mayn't be writing we mayn't be writing you mayn't be writing they mayn't be writing
Perfect
I mayn't have written you mayn't have written she mayn't have written we mayn't have written you mayn't have written they mayn't have written
V-ing perfect
I mayn't have been writing you mayn't have been writing she mayn't have been writing we mayn't have been writing you mayn't have been writing they mayn't have been writing
Interrogative form
Simple form
may I write? may you write? may she write? may we write? may you write? may they write?
V-ing form
may I be writing? may you be writing? may she be writing? may we be writing? may you be writing? may they be writing?
Perfect
may I have written? may you have written? may she have written? may we have written? may you have written? may they have written?
V-ing perfect
may I have been writing? may you have been writing? may she have been writing? may we have been writing? may you have been writing? may they have been writing?
Interro-negative form
Simple form
mayn't I write? mayn't you write? mayn't she write? mayn't we write? mayn't you write? mayn't they write?
V-ing form
mayn't I be writing? mayn't you be writing? mayn't she be writing? mayn't we be writing? mayn't you be writing? mayn't they be writing?
Perfect
mayn't I have written? mayn't you have written? mayn't she have written? mayn't we have written? mayn't you have written? mayn't they have written?
V-ing perfect
mayn't I have been writing? mayn't you have been writing? mayn't she have been writing? mayn't we have been writing? mayn't you have been writing? mayn't they have been writing?