??? ???? ??? ?? ??? ??? ????, ??? ?? ?????? ???? ? ?? ?? ??? ??????. ??? ?? ???? ???? ??? ?????? ??? ??? ???? ?? ???? ????? ???? ??? ??, ??? ??? ??? ??? ?? ????? ??? ? ????.Before tense, the verb “do” variations to “did” for all subjects. Alternatively, “does” continues to be unchanged inside the 3rd-person singular existing tense. Here