Переведите предложения, содержащие Participle I и Participle II в функции обстоятельства.
1. When entering the Internet, I always find a lot of interesting information. 2. Though never built, Babbage’s analytical engine was the basis for designing today’s computers. 3. When written in a symbolic language, programs require the translation into the machine language. 4. While operating on the basis of analogy, analog computers simulate physical systems. 5. When used, voltage represents other physical quantities in analog computers. 6. Being discrete events, commercial transactions are in a natural form for a digital computer. 7. As contrasted with the analyst, the computer system architect designs computers for many different applications. 8. While dealing with discrete quantities, digital computers count rather than measure. 9. When using a microcomputer, you are constantly making choice — to open a file, to close a file, and so on. 10. As known, all computer systems perform the functions of inputting, storing, processing, controlling, and outputting.

(Present, Past, Future Simple, Present, Past, Future Continuous)

1. He usually works at the station, but next month he will work

at the docks for a few days each week.

2. John and Frank

wrote letters at 5 o’clock yesterday.

3. She was

cleaning her teeth when one of them

came out.

4. The maid polishes the silver once a week, on Fridays.

5. While he was picking the broken plates, he cut his finger.

6. Look! A big white bird is sitting

in our garden.

7. Tom played tennis with his best friend at 6 pm yesterday.

8. He always drives his car carefully.

9. Mary’s grandfather hurt his back while he was

digging in the garden yesterday.

10. When I was on holiday, I went

swimming every day.

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Present perfect usage:

1. When we talk about life experience up to the present

2. When we talk about sth that happened in the past but result is important at the time of speaking

3. Recently completed action

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Колонка:) Past participle(третья).

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Task 2

Ann has washed her hair.

Tom has lost weight

It has run out petroleum

He has broken his leg

———-

Task4

This is the first time he has driven a car

Have you ever eaten caviar?

Jill hasn’t written to me nearly for a month

Has it stopped raining yet?

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Task 5

1.b

2 a

3 a

4 a

5 B