Why is you puzzled. who has wash your shirt. after the walk about the city hetty was tired and think about her home. lucy has came to visit her friend. исправить ошибки

1) Why are you puzzled? (вместо is - are) 2) Who has washed your shirt? (глагол wash должен быть с окончанием -ed) 3) After the walk around the town Hetty was tired and thought about her home. (вместо about - around, вместо think - thought или was thinking) 4) Lucy has come to visit her friend. (вместо came - come)