5. put the sentences into the future and past tense changing the verb to be and using suitable adverbial modifiers of time: yesterday, tomorrow, next week, last month, next year, at 5 o’clock, etc. 1. victor is free in the evening. 2. john is in america. 3. i am very busy. 4. she is at the lecture. 5. the child is 10 years old. 6. this work is interesting. 7. the expedition is in africa.8. the new film is long. 9. my mother is at home. 10. the workers are at the factory. 11. the students are at the institute

1) Victor will be free tomorrow evening
Victor was free yesterday evening
2) John will be in Africa next month
John was in Africa last year 
3) I will be very busy tomorrow 
I was very busy last week
4) She will be at the lecture at 5 o'clock
She was at the lecture on Tuesday
5) The child will be 10 yers old next month
The child was 10 years old yesterday
6) This work will be interesting
Nhis work was interesting next year
7) The expedition will be in Africa next month
The expidition was in Africa last Sunday
8) The film will be long
The film was ling
9) My mother will be at home at 10 o'clock
My mother was at home at 3 o'clock
10) The students will be in the institute on Friday
The students was in institute yesterday

1. The US Constitution was written in Philadelphia in  1787 by the representatives of all the states.
2. The US President is Commander in Chief.
3. The Judges work in the Supreme Court as long as they live.
4.The presidents term is four years.
5. There are 27 amendments to the US Constitution.
6. The Bill of Rights guarantees to people of the USA such important rights as freedom of press, freedom of religion, the right to go to court, have a lawyer, and some others. .
7. In 1971, the 26th amendment gave people 18 years old and older the right to vote.
8.The second branch of goverment is the President and his helpers.
9.The Congress is a meeting of representatives from all states.
10.The Congress meets in the US Capitol in Washington.
11.There are one hundred senators in the Senate.
12.The number of congressmen from each state depends on the number of people who live in the state.
13.One important power of the Congress is the power to declare war
14.The President sings bills and then they become laws.

The War of Independence began in the 1775. The colonies in America declared a war on Great Britain. The colonies in America won the Revolutionary War in the 1783. After the war the young country faced the problem of a strong national government. The US constitution was written in Philadelphia by the representatives of all the states. The US government can be compared with a tree because the trunk is the people and the branches are the Congress, the President with his helpers and the Supreme Court. The US Congress is a meeting of representatives of all the states which is divided into two parts: the Senate and the House of Representatives. Each state sends two people to the Senate no matter how large or small it is. All the states send people to the House of Representatives and their number depends on the population of the state.