Ex 1.
1. We will have finished the work by 3 o’clock tomorrow.
2. John has translated this article already.
3. All the examinations will have passed by the next week.
4. I have never see this film.
5. He has entered the university this year.
6. I haven’t met him here since September.
7. When he returned to his native city new Metro lines already had build there.
8. She just had left.
9. Have you already install the new equipment?
10. He has interested in mathematics since his childhood.
Ex 2.
1. They hadn’t’ English since last year.
2. Specialists have determined the main properties of the substance already.
3. She just has reseived the letter from her friend.
4. John has visited by his group mates by yesterday evening.
5. Students have translated the article for half an hour.
6. We will have furnished with all the necessary information by tomorrow.