1. Present perfect simple
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
14th 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