Exercise 2. Put the verbs in brackets into the Past Simple tense. 1. Yesterday they ( to send ) messages and (to share ) files across computer networks.
2. The second trend ( to concern ) the nature of software applications.
3. Installing new links ( to take ) up to two months.
4. The network operators ( to implement ) this technology last week.
5. This system ( not / to handle ) real-time rating, making it difficult to launch other valueadded services.
6. There ( to be ) several competing proposals on how to achieve the most appropriate
technology around the world.
7. Many operators ( to express ) dissatisfaction with the current price levels last month.
8. The Magnafox Communication Integrator ( to route ) out-going calls through the most
cost-effective medium, based on tariff data stored in its memory.

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