Исправить ошибки. I have lost my keys.I can't find it anywhere. Don't forget to send him a letter.I have already done

I have lost my keys. I can\'t find it anywhere. (Correct, Present Perfect) Don\'t forget to send him a letter. I have already done it. (Correct, Present Perfect) Where were you yesterday evening? (Incorrect, Past Simple) We have known Kate since last year. Действие началось в прошлом и длится до сих пор, Present Perfect.Sarah broke her leg. Простое действие, произошедшее в прошлом, Past Simple.Nurses look after the patients in hospitals. Регулярное, постоянное действие в настоящем, Present Simple.