Перепишите следующие предложения. переведите предложения на язык. определите по грамматическим признакам, какой частью речи являются слова, оформленные окончанием -s и какую функцию это окончание выполняет, т.е. служит ли оно: а) показателем 3-го лица единственного числа глагола в present indefinite; б) признаком множественного числа имени существительного; в) показателем притяжательного падежа имени существительного 1. the lecturer gave several examples of the sevastopol scientists' international ties. 2. the foundation of sevastopol dates back to 1783. 3. the author mentions this phenomenon in his article.

1. 1. Лектор привел несколько примеров международных связей севастопольских ученых.
examples - б) признак множественного числа имени существительного;
scientists' - в) показатель притяжательного падежа имени существительного 
ties -  б) признак множественного числа имени существительного;
2. Основание Севастополя датируется 1783 годом.
dates - а) показатель 3-го лица единственного числа глагола в Present Indefinite;
3. Автор упоминает это явление в своей статье.
mentions - а) показатель 3-го лица единственного числа глагола в Present Indefinite;

Primarily. Industrial. Commercial nation. Major industries. Transportation. Steel. Petroleum. Coal. Electricity. Nationalized. Private investors. Pound sterling. Conversion. Decimal system of coinage. Equal. Completed. Permitted. Charted. Bank of issue. Commercial banks. Overseas branches. Provided. Building societies. Faring. Road vehicles. Equipment. Industrial machinery.

Petroleum products. Electrical machinery. Data processing equipment. Power generating machinery. Organic chemicals. Precision instruments. Iron. Conducting through. Independently owned shops. Although. Cooperative stores. Increasing. Half of all

Donna and Mark were in the boat.Donna was a good girl.She was going to Spain with her family.Mark was a shy handsome man.He also was going to Spain to stay there for two weeks.
One day Donna and her family were watching sea birds.Donna saw the boys who were very noisy.She saw a shy,handsome fellow.It was Mark.Mark also looked at Donna and smiled her.
Donna and Luiza went to a disco.Donna was waiting for Mark,she wanted to see him very much.
A handsome man came up to Donna and invited her to dance with him.It was Mark with his beautiful and friendly smile.Donna danced with him for a long time.A little later she saw Mark near the entrance to the disco.He was very shy and calm.
During all that time she was dancing with Mark's brother Dave.She stopped dancing and went to look for Mark.She wanted to appologize to him.She didn't know where Mark was.She couldn't find him.She wanted to return to England to see Mark.
Mark had been waiting for Donna since 6 a.m. ,but at 8 o'clock he went to look for Nick and Dave.Donna and Luoza came to the cafe at 8 o'clock.When the boat arrived,Mark and Donna tried to catch sight of one another,but they did't meet in the boat.They met at wild-night in Komilarce.Komilarce is a small town not far from Madrid.There are a lot of buildings,shops,cafes and parks in this town.And in one of these parks it was a disco-night.Many people from Komilarce,Madrid,France, England and Germany visit it.Donna was with her family.She wanted to meet Mark.
Mark didn't want to go there because he wasn't interested in dancing.But he thought about Donna.Dave,Harry and
Nick persuaded him to come.They were sitting at the table when Donna's and Mark's eyes met.Time stopped.
Donna and Mark were together!