Read the text and decide if the verb is used as an Infinitive, Past Simple or Past Participle form.

• Группы
  • Infinitive
  • Past Simple
  • Past Participle
• Варианты
  • learn
  • understood
  • taught
  • undertstand
  • seen
  • heard
  • felt
  • thought
  • forgotten
  • learnt
  • meant