She is working tomorrow. 現在進行形だけど,もう決まっている未来なのでOK She will work tomorrow. 決まっている未来だからwillはふつうは使わないけど,「行けない理由があって明日行けるかは微妙」なのかもね She is going to work tomorrow. 一番しっくりくるし,いつでも使えるよ
is going to
He is going to visit his grandparents next week. だね
Will I will I will not
Will, I will, I will not
Will you come to the party?—Yes, I will. / No, I will not. だね
Will he will he will not
Will, he will, he will not
Will he visit his friend next Monday?—Yes, he will. / No, he will not. だね
Will it rain it will
Will it rain, it will
Will it be rain tomorrow?—Yes, it will.