Герундий

  • Выберите правильный ответ.
    8 Under this method of analysis, the samples require …………………… prior to extraction.
    being heated
    having heated
    to have heated
    heating
    9 The course she took last year led her …………………… her attitude to nuclear physics.
    changing
    to change
    to having changed
    to have changed

  • В пункте 9 герундия не будет.
    А вот в отношении пункта 8 ---подумайте! Попытайтесь найти правильное решение. Если не получится---поможем.