1. Since & for Present perfect simple

2. Hyde park/ open/ to everyone 1637 A long time

3. Beefeaters / guard / the king or queen The 1400s Six centuries

4. There / be / bridges / across / the River Thames The first century Two thousand years

5. The British royal family / live / at Buckingham Palace Nearly two hundred years 1837

6. There / be / an underground / in London 1863 More than 140 years

7. The new Wembley Stadium / open 2007 A few years

8. The London eye / spin 2000 A dozen years

9. Leadenhall market / open 14 th century About 500 years

10. Double-decker buses / be / used 1829 More than 150 years

11. London City Hall / be / the central office July 2002 10 years