a)In the Present (Simple or Perfect).
1.The UK is situated on the British Isles.
2.The British Isles are washed by the seas and separated
from the continent by the North Sea and the English Channel.
3.The members of the House of Lords debate a bill after
it has been passed by the House of Commons.
4.Many places in London have been redecorated this year.
5.The Thames has been used as an important waterway since
early times.