5. Circle all the suitable modal verbs in the text. There may be more than one correct choice. Mark Stewart and Jonathan Pierce, candidates for this year’s Nobel Prize in chemistry, announced today that they (1) may/could/need give up their research on a new generation of antidepressants. Professor Pierce said: ‘We (2) can’t/ have to/ mustn’t bear the thought that our work (3) must/should/might be used to harm, rather than help people. This is what we fear happened with our research on anaesthetics. We (4) could/were able/may produce a chemical substance that (5) shall/could/might alleviate migraine pain by 80%. However, we’ve now been informed that the results of our research (6) may/can/could have been used to produce a poison gas. This shows how careful scientists (7) ought/have/must to be with disclosing their work. We probably (8) shouldn’t/needn’t/couldn’t have published the results of our research. In future, we (9) must/will/can be more careful because it’s our duty to think about how scientific data (10) should/must/can be used’.
2 The vehicles are: trams, buses, trolley-buses, taxis and motor-cars, motor-cycles, motor-scooters and bicycles, aren't they?
3 Where are there traffic lights?
4 When are the street lights switched on and off?
5 When does the traffic stop?
6 Do the vehicles drive on when the green or red light is switched on?
7 Along the streets we also see bus, trolley-bus and tram stops, don't we?
8 Where do people get on and off public transport?
9 Are there Tube stations in the streets?
10 Where are there subways for pedestrians and flyovers for vehicles?
11 Where do vehicles drive on the left?
12 In Ukraine the traffic drives on the right, doesn't it?
13 How do we travel from one place to another outside the towns?
Упр.290 Раскройте скобки,употребляя глаголы в Passive Voice.
1.The rule explained by the teacher at the last lesson was understood by all of us.
2.The poem was so beautiful that it was learnt (или learned - некоторые учебники дают третью форму как learnt, но, в основном, глагол считаетс правильным) by everybody.
3. I hope the invitation is accepted by everybody.
4.The letter will be posted in half an hour.
5. It seems to me that music is heard from the next room.
6. At the last competition the first prize was won by our team.
7. The question would be settled as soon as they arrived.
8. Your report must be divided into two chapters.
9. Soon he will be sent to a sanatorium. - обратите внимание, у Вас опечатка
10.The book will be discussed at the next conference.
11.The composition must be handed in on Wednesday.
12.Yesterday he was told to prepare a speech.
13.The article was published last week, if I am not mistaken.
14.The lecture is attended by all of us.
15. A taxi was called fifteen minutes ago, so we are expecting it any monument.
16.The young man was introduced to me only a couple of hours ago, but it seems to me that I've known him for years.
Передайте следующие предложения в Passive Voice.
5) Three of these exercises must be done by you the next day.
6) The book you need can be found in any library.
7) These letters must be sent by us at once.
8) This mistake can be easily forgiven by me.
9) Such berries can be found by you everywhere.
10)This work must be done very carefully.
11)The doctor says she must be taken to hospital by them.
12)The work can be done by you in three days.
13)All the library books must be returned by the students before each summer vacation.
14)Even the tallest trees can be climbed by monkeys.