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1.To complete the great map of the world was a strong passion for the people of early civilisations.
2.Marco Polo’s tales inspired European explorers to search for sea routes from west to east.
3.Here，merchants from China and many other places met to negotiate trade deals，which also led to more awareness of each other’s cultures.
4.These fleets were a sight to behold and were in a league of their own at that time.
5.To reach out across the sea remains a strong desire today.
6.The aim of this initiative is to encourage cooperation and trade across the historic Silk Road areas，and strengthen the bonds between China and the rest of the world.
7.Trading has grown greatly in recent years，and will continue to do so in years to come.
8.China has invested billions in systems and services along these routes，which will help to greatly develop the whole area for the benefit of future trade and cultural exchange.
9.Hundreds of years on，and with the latest technology in hand，the need to trade and the desire to enhance relationships will drive China to reach out across the sea far into the future.
一、动词不定式的时态
1.一般时
动词不定式的一般时(to do)所表示的动作通常与谓语动词所表示的动作(或状态)同时发生，或是在它之后发生。
I noticed him go out.
我看见他出去了。(notice与go out同时发生)
I plan to attend the party to be held tomorrow.
我打算参加明天举行的聚会。(attend的动作在plan后发生)
2.进行时
动词不定式的进行时(to be doing)表示不定式的动作与谓语动词所表示的动作同时发生。
They are reported to be working hard.
据报道他们正努力地工作。(be reported与work同时发生)
I am very glad to be working with you.
我非常乐意与你一起工作。(be glad与work同时发生)
3.完成时
动词不定式的完成时(to have done)表示不定式的动作发生在谓语动词所表示的动作之前。
I’m very sorry to have kept you waiting for a long time.
很抱歉让你久等了。(keep发生在be sorry前)
