Third Conditional (Review Exercises)

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1. Complete the sentence using the verbs in brackets.
  • If Alexander the Great (march)________ west instead of east, he (conquer)_______ the whole of Europe.
  • If more Vikings (go)________ to North America, the Viking settements (succeed)_______.
  • If the ancient Egyptians (build)________ bigger boats, they (cross)________ the Atlantic and (land)_______ in America.
  • If a storm (not hit)_________ Bartolomeu Dias's ship off the coast of Africa in 1487, they (not arrived)___________ in the Indian Ocean by accident.
  • If Cheng Ho and other Chinese explorers (continue)_______ further on their voyages, they (sail)_________ up the west coast of Africa and reached Europe in the early 15th century.
  • If Columbus (not read)________ about Marco Polo's trip to China, he (not try)________ to sail there by crossing the Atlantic.
  • If Columbus (sail)_________ east in 1492, he (reach)__________ China or Japan.
  • If the Aztecs (not think)__________ that Cortes and his men were gods, the Spaniards (not conquer)__________ Mexico so easily.
  • If Lewis and Clarck (not find)_________ a way across America from St Louis to the Pacific in 1806, thousands of settlers (not make)__________ the journey in later years to settle in the central and western parts of North America.
  • If Charles Darwin (not take)_________ a voyage to South America between 1831 and 1836, he (not write)________ his famous book The Origin of Species, which argued that living creatures evolved over millions of years.

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