помогите пожалуйста.Ex. 29. Употребите глаголы,данные в скобках, в Future Perfect:1.    I am

В 31 задании какое прошедшее время? А то у Вас написано просто Past

так дано в задание

Ex. 29
1. I am sure they will have completed the new road by June.
2. He says that before he leaves he will have seen every show in town.
3. By the time you arrive, I will have finished reading your book.
4. I will have been in this country two years next January.
5. A year from now he will have taken his medical examinations and will have begun to practice. 
Ex. 30
1. They have not received a new flat this year. Have they received a new flat this year?
2. She has not been to Italy. Has she been to Italy?
3. They have not heard the news yet. Have they heard the news yet?
4. I have not known his father. Have you known his father?
5. He had not worked at a plant before the army. Had he worked at a plant before the army?
6. We had not studied German before we began to study English. Had you studied German before you began to study English?
7. She had not written the letter by 5 o'clock. Has she written the letter by 5 o'clock?
8. The children will not have done their homework beore their parents come home. Will the children have done their homerowk before their parents come home?
9. It will not have stopped raining by noon. WIll it have stopped raining by noon?
Ex. 31
1. Past Perfect: We had already translated the text when you came. 
Past Cont.: We were translating the text when you came.
Future Perfect: We will have translated the text when you come.
Future Cont.: We will be translating the text when you come.
2. Past Perfect: They had already written a dictation when I entered the classroom.
Past Cont.: They were writing a dictation when I entered the classroom.
Future Perfect: They will have written a dictation when I enter the classroom.
Future Cont.: They will be writing a dictation when I enter the classroom.
3. Past Perfect: The students had already taken their exams by 12 o'clock.
Past Cont.: The students were taking their exams from 9 till 12 o'clock.
Future Perfect: The students will have already taken their exams by 12 o'clock.
Future Cont.: The students will be taking their exams from 9 till 12 o'clock.
4. Past Perfect: He had already had a shower when the telephone rang.
Past Cont.: He was having a shower when the telephone rang.
Future Perfect: He will have had a shower when the telephone rings.
Future Cont.: He will be having a shower when the telephone rings.
5. Past Perfect.: The boys had already played football when it began to rain.
Past Cont.: The boys were playing football when it began to rain.
Future Perfect: The boys will have played football when it begins to rain.
Future Cont.: The boys will be playing football when it begins to rain.