type                        - hard disk                                      - folders

WRITING

 

13. Write a paragraph (60-80 words) about the computer you have or the one you would like to have. Pay attention to the phrases and words in the box:

- type                        - hard disk                                      - folders

- CPU                       - operating system                                    - games

- RAM                      - floppy disks                                   - programs

- monitor                  - word processor                             - price

 

GRAMMAR IN USE

These tasks can help you to practise The Present Perfect Tense (See Appendix 1 p. 223 – 224) and do the following exercises. Pay attention to the list of the most common irregular verbs (Appendix 2).

14. Divide the following verbs into two columns and give their second and third forms.

To buy, to produce, to play, to be, to have, to become, to provide, to develop, to satisfy, to need, to take, to rise, to grow, to cost, to situate, to give, to get, to understand, to decide, to make, to compose, to divide, to do, to reflect, to find, to say, to tell, to speak, to return, to sell.

Regular verbs                            Irregular verbs

to produce – produced - produced     to buy – bought – bought

 

15. Put the verbs in brackets into the Present Perfect Tense.

1. Computers ….. (to help) the children to learn much more quickly.

2. The introduction in recent years of digital radios ….. (to allow) us to enjoy much better sound quality.

3. The Internet ….. (to make) it possible to enjoy radio and television from around the world on our PCs.

4. Computer technology ….. (to become) a rapidly growing industry.

5. People ….. (to invent) a lot of computers.

6. A human ….. (to tell) the machine what to do.

7. Manufacturers ….. (to develop) entertainment systems which include television, radio, DVD recorder / player, and computer.

 

16. Complete the sentence and underline the correct word in bold.

1. Nearly one hundred and fifty years ago / recently there were no such things as computers.

2. Hundreds of computers are already / just in daily use.

3. In some Japanese elementary schools there are already / still lessons on using computers.

4. I have been working here since / for 2010.

5. They still / already haven't employed a new supervisor.

6. “Don't forget to send a mail to him.” “I've just / since mailed him.”

7.  He has already / yet designed the computer.