1. Personal computers can imitate the operation of calculating machines.
2. Computer-based faxing enables people to copy electronic computer files.
3. To send and receive facsimile transmissions, a computer must be equipped with faxing software and a fax modem.
4. The software compresses the file so it can be transmitted less efficiently.
5. Digital computer files can’t travel via telephone lines.
6. Fax machine reconverts the analog telephone signal into a digital computer file.
7. The receiver may choose to either view the fax in its electronic format or print it.
| Перевод
| Значение
| Present
| Past
| Future
| Пример
|
| can
|
| могу,
умею
| 1) физическая либо умственная способность;
2) возможность
| can
| could
| shall/
will be
able to
| He can swim well. He can win the race.
|
| 1) Неужели...? 2) Не может быть
| умозаключение
|
|
|
| Can he know it?
She can't be over 40.
|
| be able to
|
| cмог, сумел
| только в этом случае, на этот раз
| am, is,
are,
able to
| was, were, able to
| shall/ will, be able to
| He was ante to swim across the river.
|
| must
|
| должен, нужно
| 1) приказ;
2) личное решение
| must
| had to
| shall/
will have to
| You must obey the rules. I must repair the roof.
|
| должно
быть,
вероятно
| предположение с уверенностью
|
|
|
| They must be at home.
|
| may
|
| можно
| разрешение
| may
| was/ were allowed to
| shall/ will, be allowed to
| You may go there tomorrow.
|
| might
(в косв. р., сослаг. н.)
|
| Mother said he might go then the next day.
|
| может быть, возможно
| предположение с небольшой долей уверенности
|
|
|
| They may be playing in the yard now.
|
| should
|
| должен
| совет (мнение говорящего)
| should
|
|
| You should eat more fruit.
|
| следовало
| критика, упрек (о прошлом)
|
|
|
| You should have done it in time.
|
| ought to
|
| должен
| совет, правило, долг
| ought to
|
|
| We ought to help the old.
|
| следовало
| критика, упрек (о прошлом)
|
|
|
| You ought to have helped the old man.
|
| have to
|
| должен, вынужден
| приходится по обстоятельст-вам
| have/
has to
| had to
| shall/
will have to
| He had to stay at home to do homework.
|
| be to
|
| должен
| план, инструкция
| am, is, are to
| was,
were to
| am, is,
are to
| You are to do the task in writing. They are to meet at six.
|
| need/needn't (в вопр. и отр. предложениях)
|
| нужно/
не нужно
|
| need/ needn't
|
|
| Need I go shopping? - No, you needn't /Yes, you must. Must I do it? - No, мои needn't.
|
| dare/daren't (в вопр. и отр. предложениях)
|
| сметь, отважиться
|
| dare/ daren't
| dared/ dared not
|
| How dare you my so? He dared lot look at her.
|
