Continuous без to be

  • К примеру, статья из Википедии (описание фильма)

    The next day he observes Gruner leaving the lighthouse, following him down to the rocks he discovers a female sea creature with Gruner, learning that Gruner has made her his pet and slave.

    Целых 3 раза Continuous без to be. Это разговорная форма, или правило? (В гугле не нахожу правило). Заранее спасибо.

  • The next day he observes Gruner leaving (причастие в complex object ) the lighthouse, following( причастие) him down to the rocks he discovers a female sea creature with Gruner, learning (причастие)that Gruner has made her his pet and slave.
    Здесь ни разу нет времени группы continuous. Почитайте о причастиях настоящего времени.

  • Спасибо