Find the sentences with the predicate in Perfect Tenses.



1. This method has never been used in clinical practice.

2. This grammar rule had to be used in translating this sentence into Russian.

3. The patient had been examined by the doctor before the results of his analyses were known.

4. This doctor has been working in the clinic for ten years already.

5. My friend has never been to Moscow

6. The doctor has been examining an X-ray film for several minutes already when somebody entered the room.

7. The experiment was said to have been finished several days ago.

8. The results of the study have been reported already.

9. The nurse had met this condition in her practice before she began to work in this clinic.

10. The experiment could have been over already.

11. The doctor had been examining his patient for half an hour when the nurse entered the room.

12. This method has been developed in our clinic.

13. The operation is known to have been performed by our best surgeon.

14. The patients will have been examined by the doctor before the professor comes.

15. No cases of poliomyelitis have been reported in Finland during the last two decades.

16. Since the times of Hippocrates, fever has been recognized as a hallmark of disease.

17. The patient had had all the signs of acute hepatitis when he applied for the doctor’s help.

18. Thirty to sixty per cent of patients have no symptoms of the disease at the time of examination.

19. Interferon has the capacity to stop the development of some diseases in the human body.

20. He is known to have never been to London.

Find the sentences with the predicate in Perfect Continuous Tenses.

1. It is true that important achievements in medicine have been made recently.

2. The scientist had been studying the effects of the drug on laboratory animals for a month already when he found this article.

3. Vaccination being used in time, the disease did not affect many people in this area.

4. Having examined the patient the doctor prescribed him bed rest and a course of injections.

5. The student has been working over this problem for two weeks already.

6. Lungs are said to have been involved in the process.

7. The virus has been growing in culture medium for 2 days already.

8. Since you had to do the examination of the area two days ago you are to give me the report just now.

9. The study of this infection has been slowly progressing for the last 10 days.

10. The drug was being produced in our department from September 12 to November 30 last year

11. The neurologist having examined this patient did not find any pathology.

12. We have been performing our research for four months already

14. The drug having been tested on animals was recommended for clinical use.

15. The patient had been sleeping for two hours when the nurse came to give him the injection.

16. The students had been writing the test-paper for 40 minutes already when I came.

17. By the end of this year he will have been working in the Research Center for Pulmonology for 15 years already.

18. Having examined the patient the doctor prescribed him bed rest and a course of injections.

19. The patient had been operated on by 12 o’clock yesterday.

 

*9.Passive  (mixed tenses)

Change these active sentences to passive. Choose if you need the agent or not.     

 

1) People speak Portuguese in Brazil

………………………………………………….

2) The Government is planning a new road near my house

………………………………………………………..

3) My grandfather built this house in 1943

……………………………………………………….

4) Picasso was painting Guernica at that time

……………………………………………………….

5) The cleaner has cleaned the office

………………………………………………………

6) He had written three books before 1867

………………………………………………………

Choose the past simple or the past perfect tense

1) We had already eaten when John ……………(come) home.

2) Last year Juan …………………………….(pass) all his exams.

3) When I …………. (get) to the airport I discovered I had forgotten my passport.

4) I went to the library, then I ……………….. (buy) some milk and went home.

5) I opened my handbag to find that I ……………….. (forget) my credit card.

6) When we …………………….. (arrive) at the station, the train had already left.

 

Choose the present perfect simple or continuous:

1) Julie……………………………………….. (be) at the office since 6 am.

2) We ……………………………..(write) this book for months and months.

3) I …………………………………..(always/agree) that London is a lovely city.

4) John ………………………………(bake) cakes since 12 o'clock.

5) The writer …………………………….. (deserved) this award for a long time.

6) We ……………………………………….. (always/hate) rush hour traffic.

 

12. Fill in the gaps with verbs in Active and Passive:

1. Together with the kidneys, the liver _____ the detoxifying organ for the body.

2. The data from 173 patients _____ analyzed last week.

3. Usually this drug _____ not produce any side-effects.

4. The students _____ been writing the test for twenty minutes when I came.

5. The nurse _____ just finished to take the patients’ temperature when the doctor in charge entered the ward.

6. The new patient _____ being examined now by the doctor on duty.

7. He _____ not know the answer to this question now.

8. The drug _____ tested in our laboratory last week.

9. In two days the patient _____ discharged from the clinic

10.  The experiment performed _____ not give any new results.

11. We ____ been working over this problem for several years but still we are far from its solution.

12. The examination paper __ being checked at the moment.

13. One should ______ very careful using this drug.

14. At 5 o’clock tomorrow I ____be listening to the lecture on new chemical pollutants and their effect on human health.

15. The body ____ known to have long, short and broad muscles.

16. All muscles ____ divided into voluntary and involuntary.

17. Yesterday we ____ four lessons.

18. There ____ more than 400 skeletal muscles in the human body.

19. The doctor ____ already examined the patient.

20. They _____ having their English lesson from 9 till 10.30 yesterday.

21. What ____ the role of bronchioles?

22. My friend_____ not want to be a surgeon

23. The small intestine ____ the most important absorbing organ of the digestive tract.


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