Назовите номер предложения, глагол-сказуемое которого стоит в Continious Tense укажите время

Назовите номер предложения, глагол-сказуемое которого стоит в Continious Tense укажите время и переведите это предложение на российский язык:
1. They went to Hyde Park last Sunday
2. Crowds of people were listening or asking question at the "Speaker's Corner" when we came.
3. They are going to visit the British Museum
4. A big building was erected in the center of the town

Найдите Participle II в данных предложениях и обусловьте, чем является:
1.The city occupied by many banks and offices in the financial centre of London
2. Trafalgar Square was мейд to commemorate the victory of Admiral Nelson at Trafalgar
3. Many famous people are buried in Westminster Abbey.
4. London situated on the river Thames is one of the largest cities in the world