Are these sentences correct (✔) or not (x)? Correct the incorrect ones. (Эти предложения правильные (✔) или нет (x)? Исправьте неправильные предложения.)

Here are the sentences with corrections: 1. Clara hasn't just done her homework. (x) - Corrected: Clara has just done her homework. 2. They have lived here since 2006. (✔) 3. I have just saw a great film on TV. (x) - Corrected: I have just seen a great film on TV. 4. My English teacher has just missed the bus. (✔) 5. Have you ever gone to Italy? (✔) 6. Mum has already drunk her coffee. (✔) 7. They haven't phoned me since yesterday. (x) - Corrected: They haven't phoned me since yesterday. 8. I have known him since 5 years. (x) - Corrected: I have known him for 5 years. 9. My friend, Nicola has been to New York. (✔) 10. The plane hasn't arrived already. (x) - Corrected: The plane has already arrived. **Explanation:** Correct sentences are marked with a checkmark. Incorrect sentences have been corrected. Mistakes often include incorrect use of the present perfect verb form and using 'since' instead of 'for' or vice-versa.