Употребите глаголы, данные в скобках, в Present, Past или Future Indefinite I have already writen my composition. May I go out? 2. How many pages of this book have you read? 3. Mike has just received a letter. 4. We had already tided all the rooms when the guests arrived. 5. I will have carried out all my duties by the end of this year. 6. What have you done for your homework? 7. The students had learned all the words by the time their teacher came. 8. Have you ever been to St. Petersburg? 9. We hadn''t posted the letter before they arrived. 10. What has happened? Why is she crying?