Exercise 1. Guess the meaning of the following words, nay attention to the word-building suffixes -er/-or, -ist, -cian. journalist, designer, sociologist, chemist, biologist, biochemist, dentist, doctor, businessman, farmer, physicist, physician, computer operator, electrician, mechanic, model, actor, ecologist, politician, lecturer, professor, conductor, pilot, geologist, architect, jockey, manager, director, producer, sportsman, footballer, specialist, policeman, musician, pianist, detective, economist, steward, captain, interpreter, engineer, archaeologist, secretary, cook, mathematician, composer

1. Why are you holding your face like that? 2. Did you have a bicycle when you were a child? - 3. Do we have  the time, please? «Yes, it’s ten past seven».- 4.When you did the exam, did you have time to answer all the questions? 5. I need a stamp for this letter.Do you have  one? 6. «It started to rain while I was walking home». «Did it? Did you have an umbrella?»

1. Я не ученик. I am not a pupil. Я студент. I am a student. - 2.Его брат ученик. Он в школе.  His brother is a pupil. He is at school. - 3. Мои родители инженеры. Они на работе. My  parents are ingeneers. They are at work.  - 4. Вы доктор? - Нет, я учитель. Are you a  doctor?No. I am a teacher- 5. Твоя сестра ученица? - Нет, она инженер. Она на работе. Is your sister a pupil? No. she is an engineer. She is at work. 6 Ее сестра не секретарь. Она учитель. Her sister is not a secretary. She is a teacher. 7. Это врачи? - Нет, они летчики.  Are they doctors? No. they are pilots. 8. Ваша сестра дома? - Нет, она на работе.Is your sister in?  No. she is at work 9. Наш отец ученый.- Our father is a scientist.10. Его тетя не доктор. Она актриса. His aunt is not a doctor. She is an actress.- 11. Это моя книга. Она на столе. This is my book. It is on the table- 12. Мой двоюродный брат не ученый, он инженер. My cousin is  not a scientist. he is an engineer.13. Это картины. Они на стене. Картины очень красивые.These are pictures. They are on the wall. The pictures are very beautiful. 14. Моя бабушка пенсионерка. Она не на работе. Она дома. My grandmother is a pensioneer.She is not at work. She is at home 15. Ваши дети школьники? - Да, они школьники Are your children pupils? Yes. they are pupils.

1. He  has just got up 
2. We  have already translated  English texts 
3. I  have seen  her today
4. They  have already passed  the exams
5. I  have known  him since 2000

1. They  had finished their experiment by 5 o'clock
2. She  had typed the letter, by the time we returned
3. He  had looked through the documents, by 12 o'clock
4. He had had supper by that time
C. Use the Future Perfect Tense.
1. I'll  have made dinner , by the time my husband comes
2. They will  have built the shop , before we move there
3. We shall have packed the things, by the time the taxi comes
4. They will have passed  the exams by July