Conditional Sentences

Past Tenses.

 

1. I (talk) over the phone when they brought me the letter.

a. talked b. had talked

c. had been talking d. was talking

 

2. They (sit) in the room when the taxi arrived.

a. sat b. had sat

c. had been sitting d. were sitting

 

3. He quickly forgot everything he (learn) at school.

a. learnt b. had learnt

c. had been learning d. was learning

 

4. I visited Brazil in April. I (stay) at a nice hotel for a fortnight.

a. stayed b. had stayed

c. had been staying d. was staying

 

5. I (stay) at the hotel for a fortnight when I received your letter.

a. stayed b. had stayed

c. had been staying d. was staying

 

6 The musician (play) the piano for a whole hour when we came in.

a. played b. had played

c. had been playing d. was playing

 

7. We (walk) along a forest road for two hours when we saw a house.

a. walked b. had walked

c. had been walking d. were walking

 

8. I hardly (finish) speaking with a porter when the phone rang again.

a. finished b. had hardly finished

c. had been finishing d. was finishing

 

9. First I (answer) the phone, and then I read your letter.

a. answered b. had answered

c. had been answering d. was answering

 

10. And I began writing to you instead of going to the seaside, as I (plan) before

a. planned b. had planned

c. had been planning d. was planning

Present Tenses

 

1. – Do you know who I am? – Yes, I do. We _____ once before.

a. meet

b. met

c. have met

d. have been meeting

2. My friend has sent me three letters but neither of them _____.

a. have arrived

b. arrives

c. arriving

d. has arrived

3. My father is a seaman. And what _____to earn money?

a. has your father done

b. is your father doing

c. your father did

d. does your father do

4. For many years agriculture and science _____ financial subventions.

a. are receiving

b. have been receiving

c. receive

d. have received

5. Mary is very busy now. She _____ at a new project concerning settlements improvement.

a. is working

b. works

c. has worked

d. worked

 

 

6. Mary says she _____ from her aunt since New Year congratulations letter.

a. do not hear

b. has not hear

c. have not hear

d. has not heard

7. My wife has own car but she _____ it rarely.

a. uses

b. is using

c. has used

d. use

8. Wait a minute! I reject to believe any word you _____ here now.

a. have been telling

b. told

c. are telling

d. have told

9. John is a great pianist. Does anyone know since when _____ the piano?

a. he has played

b. has been played

c. he is playing

d. he plays

10. Do you know where my glasses are? I _____ them since weekends.

a. didn’t see

b. haven’t seen

c. am not seeing

d. don’t see

 

Conditional Sentences

1. Mary … very happy if she … her exam.

A) will be / passes

B) is / pass

C) will be / pass

D) will be / will pass

E) is / will pass

 

2. If you …, you … your leg.

A) falls / would break

B) fell / will break

C) fall / would break

D) fallen / would break

E) fell / would break

 

3. I’d come out for a walk with you if I … so busy.

A) would be not

B) were not

C) is not

D) are not

E) be not

 

4. If I … busy, I … come and pick you up.

A) wasn’t / will

B) aren’t / would

C) weren’t / would

D) am not / would

E) isn’t / would

 

5. If I have time, … for a walk.

A) we going

B) we go

C) we shall go

D) we went

E) is going

 

 

6. If the weather … fine, we … to see our relatives in the country.

A) is / shall go

B) is / will

C) will be / shall go

D) be / shall go

E) shall be / shall go

 

7. If I … a lot of money, I’d travel around the world.

A) had

B) has

C) have

D) would have

E) shall have

 

8. If the library … on Saturday, I’ll work there.

A) open

B) opened

C) is open

D) will be open

E) shall be open

 

9. When I … doing my homework, I … for a walk.

A) shall finish / shall go

B) finish / shall go

C) finishes / shall go

D) will finish / will go

E) finish / go

 

10. If he finds your book, he … it to you.

A) send

B) sent

C) sends

D) will send

E) to send

 

Exercise 269.

1) Would you be upset, if I had come. 2) If he has careful, he wouldn’t fall. 3) If he hadn’t come to meet us by car, we would have to carry our belongings. 4) Would you go out in the evening if he invited you? 5) We should have gone to the pool today if you had called last might. 6) If he could give a positive answer he would have done it long ago. 7) If I were in your shoes, I wouldn’t raise a clamor. 8) If you accepted his proposal, you would have worked in a good firm far a long time. 9) If I were you, I would go early to catch him. 10) If he drove more carefully there would be no accident. 11) if he had break his leg, he would have won the tournament. 12) No one would blame you if you behaved differently.

 

 

Round - Up

1) They Heart of London it’s a city, it’s financial and business center. In the city are several famous old towers Perhaps, the most amazing of them it’s street Paul Cathedral, the biggest of the English church. It was build in 17^th century by Christopher Ren.

2) Across the road from Westminster Abbey is Westminster Palace the place of seat British Parliament. The Tower with clock on the building of Parliament is famous from its big bell, called Big Ben.

3) The West-End is the richest and the most beautiful part of London. It’s a symbol of rich and luxury. There are the best hotels, shops, restaurants, clubs and theatres.

4) Trafalgar Square-it is a geographical centre of London. It was called by memory for the victory admiral Nelson in Trafalgar Battle in 1809. High column of Nelson stands in the middle of square.

5) The Great Britain- is a constitutional and monarchy. It is mean, that management of the country by the monarch, but the real power of the government consisting of the House of Commons and the House of Lords.

 

Alternative energy sources.

As the most common and popular forms of energy are being used up quickly, the search to find new sources of energy must be renewable and not cause the pollution that fossil juils do.

 

Solar energy.

The sun can provide us with all the energy we need for free! The main problem is to collect and store this energy in an economical way.

Today we can capture energy from the sun with plates or cells collectors put on roofs of houses and other. Buildings trun solor energy into hest with this energy we can heat up water or the air inside.

 

Geothermal energy.

Geothermal power can be produced in places where water comes into contact with hot rock below the earth` s surface. The water that reaches these hot areas turns into steam, which then produces electricity. In places where no natural underground water supplies exist enjoin us pump it into the hot rock layers.

 

Wind energy.

Wind mills have been used for centuries to grind orain and pump water out of areas that have been flooded like the Netherlands or the nother parts of Germany. Today large wind generators turn the power of wind into electricity. Such devices however can only be used in places with strong and constant winds/ at the moment though costs are too high to produce wind energy on a big seals.

 

Tidal energy

Tidal energy comes from the movement of ocean waves. One way to use the power of waves is to seal off a bay with a dam. When a water waves into and out of the bay it turns a turbine which produces electricity.

 

Meclear Fusion

Fusion may solve all our energy problems. Hydrogen atoms are invited and can produce large amounts of energy. In contrast to the splitting af atoms fusion is safer and does not produce a lot of nuclear waste.

 

Biomass

Biomass is material that comes from plants and animals. It contains energy that the sun has produced and when burned produces heat. Wood, plants and crops are the most important sources of biomass today.

 

Types of Biomass

 

Wood Crops

 

Garbage

 

Landfill gas Alcohol Fuels