Topic 1. Tenses of an English verb (Active voice)

Ex. 1 Open the brackets using the correct tense

1. We (design) websites for local companies for five years. 2. At the moment we (set) up a website for a local travel agency. 3. In the next ten years computers definitely (become) faster and more powerful. 4. In the next ten years computer probably (get) much smaller. 5. When the company (start) making other computer games? 6. Some computer companies (not / sell) their computers in stores. 7. They (produce) printers for ten years. 8. When he (join) the IBM? 9. In the twenty-first century computers (play) a vital role in everyone’s life. 10. We (redesign) our website at the moment. 11. We (know) computer equipment as hardware. 12. Electric typewriters (not / come) into widespread office use until after 1945. 13. What the problems (be) with hardware in the early days? 14. How you (connect) yourself up to the Internet?

Ex. 2 Open the brackets using the correct tense

1. I’m afraid, I (not / see) this file yet. 2. He switched off the computer but he (forget) to save the file. 3. What HTML (stand) for? 4. In which directory she (want) to install the program? 5. What hardware school pupils (have) in future? 6. We (use) a PC for writing letters? 7. There (not / be) Internet cafes, so I couldn’t read my email. 8. At the moment I (work) on a program for schools. 9. Who usually (test) the programs? 10. What problem they (have) with graphics yesterday? 11. A computer (keep) the information in its memory until it is needed. 12. Today computers (become) smaller and smaller. 13. I (try) to get through to Technical Support, but the line’s always engaged. 14. I (be) with the company for three years.

Ex. 3 Open the brackets using the correct tense

1. My friend (study) at the department of Information Technology. 2. I (study) at the same department. 3. We (do) research all the time. 4. We (discuss) various problems at the seminar last week. 5. They (do) many operations on the computer yesterday. 6. Yesterday we (go) to the University library. 7. I (answer) all the questions at the exam in mathematics last month. 8. I hope we (solve) this algebraic problem soon. 9. I am sure they (do) their work in time. 10. I (compare) my results with yours tomorrow. 11. When he (come) I (calculate) my problem. 12. She (discuss) some questions with her instructor at this time yesterday. 13. I (wait) for you at 6 o'clock tomorrow. 14. He already (give) a short answer to my question. 15. I just (come) from London. 16. They already (go) home. 17. They (write) the program for the computer by June last year.

Ex. 4 Open the brackets using the correct tense

1. My new laptop (work) very well. 2. These students (have) an opportunity to use computers at every lesson. 3. IBM (be) one of the largest computer companies in the world. It (manufacture) mainframes and PCs and (sell) its products all over the world. 4. Many years ago these computers (be) huge. 5. They (have) a meeting about the products website at the moment. 6. As the size of computers (diminish) while the power (increase), the term mainframe (fell out) of use. 7. - Oh, no, the printer (not / work)! - I (call) the IT department! 8. How long you (be) with Microsoft? 9. They (produce) printers for ten years. 10. - My computer (crash) on Monday, Tuesday and yesterday! - Oh, it (not / work) properly recently! 11. We (exchange) emails, but we never (meet). 12. Notebooks (be) computers that have all hardware in one package.

Ex. 5 Open the brackets using the correct tense

1. When a computer (do) reasonable operations, it (compute) or (calculate). 2. The example (show) how those parts (work) together to perform the simple addition. 3. A student (learn) French by playing a computer game in which the object successfully (be) to rent an apartment in Paris. 4. When I (come) into the room my friend (compile) a program. 5. A computer (store) information which it (receive). 6. When I (come) to the laboratory I (show) you how to calculate by using a computer. 7. The electronic computer just (perform) its calculation. 8. The computer you told me about (be) constructed at our plant. 9. Mechanical calculators (be) designed by Pascal and Leibnitz in the seventeenth century. 10. The development of automated control systems (accomplish) by mechanization and automation of the key production processes. 11. The input device (include) light pens, joysticks, mousses, light scanners and voice recognition modules. 12. Storage hardware (provide) a means of storing software and data. 13. The use of magnetic disks (become) widespread. 14. The connectivity of telecommunications (make) possible many kinds of activities.