将下面过去时句子改成将来时3.Helen returned to Geneva last night4.Tom arrived from Moscow the day before yesterday.5.They stayed in New York the week before last.6.Mary flew to Shanghai yesterday.
问题描述：
将下面过去时句子改成将来时
3.Helen returned to Geneva last night
4.Tom arrived from Moscow the day before yesterday.
5.They stayed in New York the week before last.
6.Mary flew to Shanghai yesterday.
答
Helen will return to Geneva
Tom will arrive from Moscow
They will stay in New York
mary will fly to Shanghai