Task 2. Complete the sentences with Present Perfect, Present Perfect Continuous, Past Perfect forms of the verbs in brackets.

1. We( raise) 500$ for charity .

2. He (go) to the football club for nearly a year now

3. You look really tired. How many exams (have) this week?

4. I (not sell) any tickets for the concert. Nobody’s interested.

5. We_(pick) up rubbish from the beach every weekend since May.​

1. The laboratory assistant doesn’t always fix the devices himself. 2. They don’t work in an industrial enterprise. 3. They don’t speak English fluently. 4. They don’t often make a lot of experiments. 5. The students don’t begin their studies in October. 6. We don’t change the temperature of gas in our experiment. 7. They don’t often stay at work after 6 o’clock. 8. I don’t always discuss different problems with my colleagues. 9. I don’t spend my holiday in the seaside. 10. The students of our Institute don’t often go to the industrial exhibitions. 11. The engineers don’t examine devices. 12. You don’t attend all the lectures. 13. He doesn’t always attend practical classes. 14. She doesn’t want to work in an oil company. 15. It doesn’t often rain in this part of Russia. 16. He doesn’t like to read scientific articles. 17. He doesn’t often take part in scientific conferences. 18. The students of our University don’t do researches in the field of mathematics. 19. The Professor of our University doesn’t deliver interesting lectures to the students. 20. They don’t like to publish articles in foreign scientific journals.

1. Does the laboratory assistant always fix the devices himself?2. Do they work in an industrial enterprise? 3. Do they speak English fluently? 4. Do they often make a lot of experiments?. 5. Do the students begin their studies in October?
6. Do we change the temperature of gas in our experiment?7. Do they often stay at work after 6 o’clock?8. Do you always discuss different problems with your colleagues? 9. Do you spend your holiday in the seaside? 10. Do the students of our Institute often go to the industrial exhibitions?11. Do the engineers examine devices?12. Do you attend all the lectures?13. Does he always attend practical classes?14.Does she want to work in an oil company? 15. Does it often rain in this part of Russia?16. Does he like to read scientific articles?17. Does he often take part in scientific conferences?18. Do the students of our University do researches in the field of mathematics? 19. Does the Professor of our University deliver interesting lectures to the students?20. Do they like to publish articles in foreign scientific journals?

1.That picture was taken in the park__where__I used to play.
2.I remember the day__when__we first met.
3.There was a very hot summer the year__when__he was born.
4.Tell me (the reason)__why__you came home late.
5.Do you want to know(the reason)___why__he is angry with Sally?
6.This is the new car__which\that__I bought yesterday.
7.The ring__which\that__he bought for her is beautiful.
8.The book__which\that__you see on the table cost me twenty pounds.
9.The school,__where__I studied,is in the centre of the city.
10.The textbooks,__which\that__the students like,have lots of helpful examples.
11.John,__who__plays football,is always busy at weekends.
12.Do you know the man__who__talked to me?
13.The peaches__which\that__are lying on the table are tasty.
14.We will stay at a hotel__which\that__is next to the beach.
15.That is the film__which\that__is very exciting.