GO ПАСТ СИМПЛ и все его формы

Britain which is formally known as the United Kingdom of Great Britain and Northern Ireland is the political unity of England, Scotland, Wales and Northern Ireland. 
It is located on the British Isles
Its total area is about 244 thousand square kilometres. 
The coasts of the UK are washed by seas of 2 oceans:  the Arctic and the Atlantic.
The scenery is the coastline is rather picturesque.
The capital of the UK is London.
The official language is English.
The national symbols of the UK are the Red rose and the Lion, the flag 'Union Jack', and the anthem 'God Save the Queen'.
Its form of government is a constitutional monarchy.
Officially the supreme legislative authority is the Queen in Parliament
and the two Houses of Parliament .and the elected House of Commons. 
But The Queen officially opens each Parliamentary session.
The  three major parties are the conservative party, the new labour party, and the democratic liberal party.
The largest cities are Birmingham, Glasgow, Liverpool, Manchester, Edinburgh, Belfast and Cardiff.
The chief river is the Thames River 
Britain's major industries include  iron and steel engineering, shipbuilding, electronics.

1. Present perfect
I have done my homework already.
We have no classes today, our teacher has fallen ill.
Have you seen this film?
I haven’t seen him since then.
Has she come yet?
2. Past simple
I have finished reading “Dracula” this week.
I’ve studied Spanish since childhood.
I visited the Louvre last year.
She spoke to him in a low voice.
Did you see Jenny two days ago?
3. Past progressive
When you called I was taking shower.

Charlie and me were already driving home when the engine suddenly stopped.
Were you sleeping when I called?
In the morning our elevator was not working.
I was sleeping when someone knocked at the door.