I may write you may write he may write we may write you may write they may write
V-ing form
I may be writing you may be writing he may be writing we may be writing you may be writing they may be writing
Perfect
I may have written you may have written he 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 he may have been writing we may have been writing you may have been writing they may have been writing
Negation
Simple form
I may not write you may not write he may not write we may not write you may not write they may not write
V-ing form
I may not be writing you may not be writing he may not be writing we may not be writing you may not be writing they may not be writing
Perfect
I may not have written you may not have written he may not have written we may not have written you may not have written they may not have written
V-ing perfect
I may not have been writing you may not have been writing he may not have been writing we may not have been writing you may not have been writing they may not have been writing
Interrogative form
Simple form
may I write? may you write? may he write? may we write? may you write? may they write?
V-ing form
may I be writing? may you be writing? may he be writing? may we be writing? may you be writing? may they be writing?
Perfect
may I have written? may you have written? may he 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 he have been writing? may we have been writing? may you have been writing? may they have been writing?
Interro-negative form
Simple form
may I not write? may you not write? may he not write? may we not write? may you not write? may they not write?
V-ing form
may I not be writing? may you not be writing? may he not be writing? may we not be writing? may you not be writing? may they not be writing?
Perfect
may I not have written? may you not have written? may he not have written? may we not have written? may you not have written? may they not have written?
V-ing perfect
may I not have been writing? may you not have been writing? may he not have been writing? may we not have been writing? may you not have been writing? may they not have been writing?