Ответ:

Решение:

Находим 15 неправильных глаголов в прошедшем времени в сетке:

  • hear
  • eat
  • was
  • had
  • going (go)
  • liked (like - это правильный глагол, но если он здесь, то из-за недостатка неправильных)
  • spend
  • bring
  • saw
  • were
  • went
  • became
  • write
  • swept
  • came

Ответ: hear, eat, was, had, going, liked, spend, bring, saw, were, went, became, write, swept, came.