Tomorrow at this time, they (do, also) are also going to be doing the same thing

  • Tomorrow at this time, they (do, also) are also going to be doing the same thing.

    но я ввел
    Tomorrow at this time, they (do, also) are also will do the same thing.

    и он оказался неверным. почему?

  • Вообще-то правильный вариант будет " Tomorrow at this time they will be doing the same thing.
    Словосочетание "Tomorrow at this time" предполагает длительное действие/процесс в будущем. Поэтому и выбираем FUTURE CONTINIOUS TENSE.
    Грамматика чистой воды.