Make the sentences negative and interrogative .Ann is at scholl.Mr.Brown is a teacher.You are an economist .We are of the same age .Peter is a student.His name is Tom.They are twins.He is 47 years old.We are the first year students.My family is very united.

Объяснение:

1) Ann is not at school. Is Ann at school?

2) Mr. Brown is not a teacher. Is Mr. Brown a teacher?

3) You are not an economist. Are you an economist?

4) We are not of the same age. Are we of the same age?

5) Peter is not a student. Is Peter a student?

6) His name is not Tom. Is his name Tom?

7) They are not twins. Are they twins?

8)He is not 47 years old. Is he 47 years old?

9)We are not the first year students. Are we the first year students?

10)My family is not very united. Is my family very united?

War -Peace
To be abolished - to be approved, to be created, to be established, to be initiated.
To be divided - to be united, to be combined, to be joined.
Smooth leaves - ragged leaves, broken leaves, crumpled leaves.
On the west coast of Scotland - on the east coast of Scotland. 
With the intention of giving gifts and leaving the country - with the intention of taking away the wealth and conquering the country.
To be brisk - to be lifeless, to be idle, to be boring.
To put on - to take off.
In the ancient century - in the modern age
Late winter - early summer. 

After He had put on his winter coat, he goes outside. Before he goes outside, he had put on his winter coat.After Artemis had watched her favourite programme, she turns off the TV Before Artemis turns off the TV, She had watched her favourite programme.After the boys had played rugby, They ride their bikes home. Before the boys ride their bikes home, They had played rugby.After Mr. Newton had packed his bags, he take taxi to the airport. Before Mr. Newton take taxi to the airport. He had packed his bags.After they had saved enough money, they buy a house. Before they buy a house, they had saved enough money.