But when teacher ask me did I understand it , I said yes .
But when the teacher asked me did I understand it , I said yes . But when the teacher asked me if I understood it , I said yes . But when the teacher asked me if I understood it , I said yes . But when the teacher asked me if I understand it , I said yes .
But when the teacher asked me did I understand it , I said yes .
この文の文法上の誤りを修正してください: But when teacher ask me did I understand it , I said yes . 出力: