I may still you may still she may still we may still you may still they may still
V-ing form
I may be stilling you may be stilling she may be stilling we may be stilling you may be stilling they may be stilling
Perfect
I may have stilled you may have stilled she may have stilled we may have stilled you may have stilled they may have stilled
V-ing perfect
I may have been stilling you may have been stilling she may have been stilling we may have been stilling you may have been stilling they may have been stilling
Negation
Simple form
I may not still you may not still she may not still we may not still you may not still they may not still
V-ing form
I may not be stilling you may not be stilling she may not be stilling we may not be stilling you may not be stilling they may not be stilling
Perfect
I may not have stilled you may not have stilled she may not have stilled we may not have stilled you may not have stilled they may not have stilled
V-ing perfect
I may not have been stilling you may not have been stilling she may not have been stilling we may not have been stilling you may not have been stilling they may not have been stilling
Interrogative form
Simple form
may I still? may you still? may she still? may we still? may you still? may they still?
V-ing form
may I be stilling? may you be stilling? may she be stilling? may we be stilling? may you be stilling? may they be stilling?
Perfect
may I have stilled? may you have stilled? may she have stilled? may we have stilled? may you have stilled? may they have stilled?
V-ing perfect
may I have been stilling? may you have been stilling? may she have been stilling? may we have been stilling? may you have been stilling? may they have been stilling?
Interro-negative form
Simple form
may I not still? may you not still? may she not still? may we not still? may you not still? may they not still?
V-ing form
may I not be stilling? may you not be stilling? may she not be stilling? may we not be stilling? may you not be stilling? may they not be stilling?
Perfect
may I not have stilled? may you not have stilled? may she not have stilled? may we not have stilled? may you not have stilled? may they not have stilled?
V-ing perfect
may I not have been stilling? may you not have been stilling? may she not have been stilling? may we not have been stilling? may you not have been stilling? may they not have been stilling?