Помогите пожалуйста с английским

I. Define the meaning of the verb “to be”.
There are no big rivers in Great Britain. - сказуемое- Present Simple

II.Complete the following sentences using Present Indefinite, Past indefinite and Future Indefinite.

1.The British Isles includes Great Britain, Ireland and a number of smaller islands.
2. Great Britain consists of England, Scotland and Wales.
3. The UK is an island state.

III.Translate the following sentences into Russian. Make them negative and inter-rogative.

There are significant amounts of coal, small deposits of iron, limestone, black tin and gravel.
Есть значительное количество угля, небольшие залежи железа, известняка, черного олова и гравия.
There are no significant amounts of coal, small deposits of iron, limestone, black tin and gravel.
Are there significant amounts of coal, small deposits of iron, limestone, black tin and gravel.

IV.Insert “it is” or “there is”.
1. There is… a highly developed heavy industry in the UK. …It is shipbuilding, coal mining and steel production.
2. There are… certain powers and rights that the Queen has. It is… the Queen who signs every Bill.
3. London is the largest financial centre. There are… some Stock Exchanges there. Some are known all over the world. And first of all …it is the London Stock Exchange.
4. Tourism is very important to the British economy. There are … a lot of places of interest in the country. Royal residence is among them. It is… Buckingham Palace.
5. There are … four parts in the UK. England is the largest part. It is… the most developed part.
6. There are … two houses in the British Parliament. The House of Commons is presided over the Speaker.It is… an elected chamber.