1) поставьте глаголы в форму present perfect : 1) the simpsons _ already (go) on holidays. 2) _ you ever (be) to the usa 3) jane _ not (buy) tickets to moscow yet. 4) we _ (live) on the island for three months 5) they _ (know) each other since their childhood 2) correct the mistakes (spelling/grammar) исправьте ошибки (орфаграфические/грамматические) 1) christopher columbus discover america on 1492. (2 mistakes) 2) nateve americans was very peaceful. (2 mistakes) 3) first english colonies don t want to dipend to english king. (3 mistakes) 4) 13 english colonies had fighted for independence since 8 years (1775-1783). (2 mistakes) 5)life in the wild wast was dangeros. (2 mistakes)