Do and does will also be applied with other auxiliary verbs to variety distinctive tenses, like the existing constant and the earlier continuous. For example, “I'm undertaking my homework”?? ?? ?? ???? ????? ???? ??? ?? ?? ??? ??? ???? ???? ??? ????? ???? ?? ??? ??? ????. ????? ???? ?? ??? ?? ?? ???? ???? ??? ?? ?? ??? ???? ??? ??? ????.??? ???