Use PRESENT PERFECT TENSE or PRESENT PERFECT CONTINUOUS 1. They (chat) on the phone since 12 o’clock and they (not finish) yet. 2. Sarah (read) since 4 o’clock. 3. We (know) each other for more than twenty years. 4. I´m sorry! I´m late. (you/wait) for a long time? 5. Mary (drive) her new car for a month. 6. We (study) English for three years. 7. (you/see) Tim lately? 8. My father (not/ understand) my reasons yet. 9. Mary (talk) on the phone with Tim for over two hours. 10. Our local football team (win) the championships twice this year.

have been chatting, haven't finishedhas been readinghave knownHave you been waitinghas been drivinghave been studyingHave you seenhasn't understoodhas been talkinghas won

are chatting

is reading

know

did you wait

drive

study

dont understand

has talken

won

Объяснение:

1) Computers will be installed in all our offices next month. (Future Simple) Компы будут установлены во всех наших офисах в след. месяце.
2) His bonds had been sold before she saved some money to buy them herself. (Past Perfect) Его облигации (ценные бумаги) были куплены, прежде чем она накопила деньги, чтобы купить их самой.
3) I was offered an interesting job. (Past Simple) Мне предложили интересную работу
4) This is a mistake: the document has been brought by our manager. (Present Perfect) Это ошибка: документ принес наш менеджер.
5) The report will have been prepared by Monday. (Future Perfect) Отчёт будет готов к понедельнику
6) Each week the prices are reduced by 5 per cent. (Present Simple) Каждую неделю цены уменьшаются на 5%
7) All the documents must always be put the same place where you take them. (Present Simple) Все документы необходимо класть туда, откуда вы взяли их.
8) The development of this industry is stimulated by the high demand for the products. (Present Simple) Большой спрос на товары стимулирует развитие промышленности. 9) The reports were checked last week. (Past Simple) Отчеты были проверены на неделе.
10) Julian is going to be offered a new interesting job. (Present Continuous) Джулиану собираются предложить новую интересную работу.

1. He said, "I was going to visit you a fortnight ago, but unfortunately I couldn't make time to come round." All the while he was saying that, I was trying to remember what I had intended to tell him.
2. In the end I remembered and said to him, " Before I left, Oleg had phoned me. He wanted to talk to you at Boris's party, but you were having a breezy conversation with Alice and he didn't dare interrupt you."
3. At that very moment I saw my friend. He waved at me. I said to Victor, "Good bye," and began to cross the street. .