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MAY – to be allowed (permitted) to do smth.

  meaning use present past
1. permission + /? You may use my ISP if you wish. -
2. prohibition - You may not use my e-mail box. -
3. possibility + / - It may/might be a faulty program. The modem may/might not have been switched on.
4. suggestion + We might use other graphical software. -
5. complaint + They might pay more attention to the instructions. He might have checked his e-mail at least sometimes.

Notes:

1. May has only two tense forms: may (present) and might (past), so for other tenses to be allowed (permitted) to do sth. is used.

2. Might is not always the past of may, sometimes it has a present or future meaning. Perfect infinitive after may or might in such cases shows that they refer to the past.

3. Passive and progressive infinitives after may or might are also possible in some cases.

 

Упражнение 2. Прочтите и переведите следующие предложения, обращая внимание на значение модального глагола may либо его эквиваленты и форму инфинитива после них:

1. This device may not be switched on here. 2. At first the desktop might seem a little foreign to you. 3. It’s also more installation procedures than you might expect. 4. Will she be allowed to process these figures? 5. It may have beensaid that the development of modern computers was entirely depended upon developments in integrated circuits. 6. Different combinations of 1s and 0s may be used to represent numbers and characters (letters of the alphabet special characters). 7. Were they allowed to operate that new device? 8. Programs other than the one that is being obeyed may be stored on a backing-store external to the computer memory. 9. You may not be the only person using the program and this is the factor to be considered. 10. Combining both of these technologies might produce a completely new range of possibilities for user of information technology.

 

MUST

  meaning use present past
1. obligation (speaker’s authority) +? They must provide us with all necessary data. -
2. necessity (speaker’s thought) + He must work hard to learn this computer language. -
3. prohibition - You mustn’t press any button. -
4. certainty + He must be working in the Internet. I can’t call him. They must have already opened this file.

Notes:

1. Must has no other forms. To express past perfect infinitive can be used sometimes.

2. Had to is the past form of must which refers to a past obligation.

3. Need is used in its negative form to express the lack of necessity.

 

Упражнение 3. Прочтите и переведите следующие предложения, обращая внимание на значение модального глагола must либо его эквиваленты и форму инфинитива после них:

1. The data must have been lost. I don’t see it anywhere. 2. To use a CD-ROM, you must have a computer equipped with a CD-ROM drive. 3. You mustn’t interfere with the program work. 4. To read this graphics file you must have used a program that recognized the file’s format. 5. The user must create sample input data that represents every possible way to enter input.

 


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Читайте в этой же книге: Трудные случаи перевода страдательного залога | Формы инфинитива | Независимый причастный оборот | II. Употребление сослагательного наклонения. | IV. Бессоюзные условные предложения. | МЕСТОИМЕНИЯ И СЛОВА-ЗАМЕCТИТЕЛИ | Глаголы- заместители значимой части сказуемого |
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