The feminine second-person negative forms also place mā before the past verb. The endings continue to show number and gender.
TypeFirst formSecond form
Singularمَا فَعَلْتِ: you (female) did not.مَا فُعِلْتِ: you were not acted upon.
Dualمَا فَعَلْتُمَا: you two women did not.مَا فُعِلْتُمَا: you two were not acted upon.
Pluralمَا فَعَلْتُنَّ: you women did not.مَا فُعِلْتُنَّ: you women were not acted upon.
ـتِ and ـتُنَّ specifically signal feminine addressees. Dual ـتُمَا is identical for masculine and feminine.