Ex. 1. Analyze the following sentences and translate them into Russian. Ex. 15. Translate from Russian into English

CAN

UNIT 4

Ex. 15. Translate from Russian into English.

Ex. 14. Translate from English into Russian.

Ex. 13. Ask special questions.

1. The students are applying irrationals in the given mathematical problems. (Who?) 2. The teacher is explaining how to mark off the line with numbers. (What?) 3. There are some positive numbers in the expression. (What?) 4. He was trying to find the common ratio of the three fractions from 3 until 5 o’clock. (How much time?) 5. We will be using this notation to introduce imaginaries next term. (When?) 6. The students are doing the research now. (Who?) 7. At 4 o’clock yesterday Professor Clarkson was delivering a lecture. (When?) 8. This time next month we will be having a winter session. (What?) 9. They are solving some mathematical problems at the moment. (Who?) 10. We are going on a summer holiday in a couple of days. (When?)

1. We will be considering complex numbers next term. 2. They are trying to find the quotient of these two numbers. 3. This time last week we were having a holiday. 4. We are substituting unknowns for irrationals to get a right result. 5. The researchers were using this equipment all month long. 6. Are there any irrational numbers in this system? 7. The students were finishing the test on mathematics when the bell rang. 8. The delegation of scientists is coming to Minsk in a week. 9. This time next term the students of MMF will be celebrating the birthday of the faculty. 10. I don’t see any other ways to arrange this matter. 11. I can do it without anybody’s help. 12. You can take any of these books.

1. Студенты выполняют контрольную работу сейчас. 2. Группа аспи­рантов отправляется в Германию в декабре. 3. Мы будем использовать комплексные числа в следующем семестре. 4. В это время через неделю мы будем сдавать экзамены. 5. Мы решали эту задачу целый урок вчера. 6. Мы стараемся найти частное этих целых чисел. 7. Что ты делаешь завтра после занятий? 8. В это время вчера мы обедали в столовой. 9. Что ты делал, когда я позвонил тебе? 10. Некоторые из этих числовых систем сложны. 11. Студенты выбирают мнимые и иррациональные числа из данных выше.

Grammar: Modal verbs and their equivalents

Present Can, cannot (can’t); am/are/is (not) able to	Future Can; shall/will (not) be able to	Past Could, could not (couldn’t); Was/were (not) able to
Mental, physical or circumstancial ability to do something знать как сделать, уметь, мочь, иметь право сделать что-либо; to be able to – быть способным к чему-либо, быть в состоянии, иметь силу, власть, ум, возможность что-либо сделать
He can swim. I am able to help you now. (particular situation) I can’t hear anything.	I can do it tomorrow. I shall be able to help you.	He could speak three languages before he was twelve. (repeated action, ability in the past) He was able to win the game. (managed to do; past single action)
Request
Can you tell me the time?(informal) Could you give me a lift? (polite)
Permission/Asking for permission(informal)
You can take the book now. Can I go to the party too, Mother?
Prohibition нельзя (in informal speech or writing)
You can’t cross the street here.
Offer
Can I help you? (informal)
Strong doubt не может быть, чтобы; вряд ли, неужели
You can’t be cold. It’s very hot here. She can’t be Sam’s sister. She is in Kiev now.
Possibility
This road can get very busy. (general possibility) The roads could get very busy tomorrow because there is a demonstration. (specific situation)

1. She could do sums in her head when she was 6 years old. 2. Peter was able to carry out the experiment successfully, but Nick couldn’t finish it without any help.3.I can speak three languages but I can’t spell in any of them. 4.Will you be able to notice the difference between these two proofs?5.Can I discuss the subject with my group-mates?6.Could you tell me the way to the University?7.You can’t use these dangerous materials in your research.8.When she sings you can hear her all over the house.9.Can I do anything for you?10. You can get this book at the library. 11.Anybody can make mistakes. 12. Can (could) you show me these data? – I’m afraid I can’t. 13. You can speak to Jane now. 14. Could you spell your name for me?

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