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PASSIVE VOICE REVISION1 Complete the sentences by changing the verbs in brackets into the correct present tense forms. Active Voice 1 Some countries ... (not, sign) the Kyoto Protocol yet and ... (refuse) to change the national way of life. 2 The reality ... (be) that we all ... (use) up the world 's resources and simple lifestyle ... (can, help) preserve the planet for future generations. 3 At the moment many people ... (drive) car dangerously and carelessly. 4 Burning certain fuels ... (produce) sulfur dioxide . This ... (mix) with rainwater and ... (cause) acid rain. 5 If the population growth ... (not, slow) down , pollution will increase. Passive Voice 1 They are putting into the air a lot of pollutants and greenhouse gases , by which the worlds' climate ... (affect). 2 The layer of gases in the atmosphere has got thicker due to industry and the gases that ... (emit) by cars. 3 At the moment successful campaigns ... (hold) against people driving big sports cars. 4 One shouldn't forget that the environment ... (destroy) all the time by using automobiles. 5 This means more heat ... (reflect) back to Earth, causing floods and draughts.
2 Refer the sentences to the appropriate tense forms in Passive.
APresent Simple BPast Simple CPresent Perfect DPast Perfect D 1 His contribution has not been duly appreciated up to present days . D2 His name is associated with invisible rays. D 3 The results were published in scientific papers of the Vienna Academy of Sciences. D4 100 pages had been published on the subject of cathode lamps and invisible rays.
3 Choose the correct tense form to complete each sentence. 1 Her idea (took I was taken)for granted. 2 The wind (has broken I has been broken)their glass door. 3 Italian (speaks I is spoken)in Switzerland . 4 His (is reading I is being read)at the moment in the society. 5 Da Vinci (had painted I had been painted)Mona Lisa before some of his other famous paintings.
POINT 'It' as new subject + passiveInstead of 'People say that ...', we can say 'It is said that ...' Example: People say that it is never too late. It is said that it is never too late. We can do the same with verbs such as know, believe, consider, think, report, expect, understand.
4 Rewrite the following sentences using 'it' as a new subject. 1 People once believed that the earth was flat. It ... 2 People now know that the earth is round. It ... 3
GRAMMAR PO I NT o--------------------.., Instead of 'People say that Fred is a millionaire .' we can say 'It is said that Fred is a millionaire .', or we can make Fred the subject: 'Fred is said to be a millionaire .'
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"{1) Rewrite the following sentences, starting with the given words. 1 It is known that William is a scientist. William ... 2 It is said that the inventor of the first computer is Charles Babbage. Charles Babbage ... 3 It is thought that Fleming discovered penicillin by accident. Fleming ... 4 It was reported that X-rays had been discovered by W. Roentgen. W Roentgen ...
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Look at the scheme and explain the interconnections between different parts of the environment. WHAT IS 'THE ENVIRONMENT'?
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l:t! :J It contains many different parts, just like the pieces of a big jigsaw puzzle. AIR TRAFFIC MYFAMi;7LY 1
I 0 Human beings, animals , t ME FOOD
m air, the seas , our climate ...and all these WASTE MY SCHOOL COUNTRY· parts interconnect. DISPOSAL SIDE
2 In pairs, think how the phenomena in both the columns can be connected and comment on them. A 1 global warming 2 earthquakes 3 destruction of forests (tropical forests in particular) 4 highly developed and B a water shortages b climate change c heat waves , intense rainstorms and floods d growing demand for energy
5 world population growth f increasing production of carbon 6 agricultural mismanagement dioxide (the main·greenhouse gas) 7 development of new g growing demand for comfort , technologies electric devices , machines , etc . 8 consumer society h tsunam is
(";) a) Listen about one of the environmental problems and say what trouble it causes.
acid rain [.cestd 'rem] extinction [t k'stt okJ n ] a particle ['pa:ttkl] shortage ['J;,:ttd3] waste disposal ['wetst dtspaozl] to escape [t'sket p] to react [ri'cekt] damaging ['dcemt d3tO]
Date: 2016-03-03; view: 2538
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Somebody has said that we are not alone in the Universe . It ...
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booming economy e land erosion