Поставьте глаголы, данные в скобках, в нужную форму. Переведите предложение на русский язык. (условные предложения).
1. I (to keep) a gardener if I could afford it.
2. What would you do if the lift (to get) stuck between two floors?
3. He (not to go) there if his family were not invited.
4. If you help me, I (to do) this work on time.
5. If I (to know) her better, I (to introduce) you.
Previously, our ancestors measured time in different ways, for example: water clock, oil clock, sundial, obelisk. The first who knew that the day 24 hours were ancient Egyptians. They distinguished two parts in the day - dark and light time.
The first mechanical watches with a liquid escapement were made in Tang China in 725 AD by Yixing and Liang Lingzan. Then, every year, century, the clock became simpler and clearer. Nowadays there are electronic, radio frequency mechanical clocks. The most practical watch is an electronic one from such a watch you can even call to measure it, etc. The watch nowadays not only fulfills its function, but also people often use it as an accessory.
I believe that the clock has changed dramatically in its development.
1. G.S. was a British inventor and engineer. He is famous for building the first practical railway locomotive.
2. In 1829 he designed a locomotive known as the Rocket,, which could carry both loads and passengers at a greater speed then any constructed at that time.
I think this is his main invention.
3. R,S.was a British civil engineer.
4. He built several famous bridges including the Victoria bridge in Northumberland, the Britannia bridge in Wales, two bridges across the Nile in Damietta in Egypt and the Victoria bridge in Montreal ,Canada.