Unit 84 Формальное подлежащее there и it. Порядок слов в английском предложении

The roads were busy today. There was a lot of traffic.

This soup is very salty. There is a lot of salt in the soup.

The box was empty. There was nothing in the box.

The film was very violent. There was a lot of violence in the film.

The shops were very crowded. There were a lot of people in the shops.