Open the brackets using the correct form of the Participle.
В: 1. a) Scientists (dealing) with the problems of pollution insist on its being exactly assessed. b) The problem of pollution in industrial areas (dealt) with in this paper is one of the most important for modem science.
2. a) People (using) force when it is not necessary cannot be justified. b) Electronic computers (used) in the research saved the scientists a lot of time.
3. a) Drought (followed) by famine had a disastrous effect on the economy of the country. b) The discovery of the synthetic penicillins (following) the original discovery by A. Flemming, was also made in Britain.
4. a) (Carrying out) numerous experiments and tests, the scientists tried to prove the original hypothesis. b) The experiments (carried out) by a team of your scientists led to sensational results.
5. a) The architect didn't like this design (involving) him in a lot of extra work. b) He enjoyed the travelling (involved) in his new job.
1.called, i was watching...
2. i have been working ..
3.loves. goes
4.writes.Has been writting.has written
5.got.Had been waiting
6.tries slips falls
7. wake eat leave.got skipped left forgot
8 is reading, is making.were doing.was cooking,was reading. will also be doing. will be preparing will be reading.
9. will have completed, will have found. will haven't accomplished. will still be studying, will be working
10.are usually be taught, are being taught by mr
11. Jane. The others are talking now, Jane usually does.
12.Mary. Future simple is used to express offers
13.John.The past perfect shows us that John left before Tim's arrivals
14. Mary.The Present Continuous is used there to express an annoying habit.
15.Bob.The Present Perfect shows an unfinished period of time.
1.drives
2.work. am studying
3. is sleeping
4.is raining
5.always rains
6. are saying, is talking
7. is currently writing
8. am going a
9.are normally printed .are
10.was made
