1. Mount Everest ... (always, attract) explorers. 2. George Everest ... (measure) the height of the mountain in 1852. 3. The first British climbers (send) to the mountain in 1921 to look for a possible route to the summit. 4. During the next thirty years several expeditions to the mountain (organize) by Great Britain and other European countries, but all these attempts to conquer Everest ... (fail). 5. A new British expedition of 1953 finally ... (bring) success. 6. On May 29, 1953 Edmund Hillary and Tenzing Norgay the summit. 7. Hillary ... (be) a 33-year-old beekeeper from New Zealand and Tenzing ... (be) a Sherpa, 6 years older than Hillary, and he ... (already, climb) Everest six times with different climbing teams. 8. It ... (take) the two men five hours to climb 350 metres from camp 9 to the summit. 9. For 15 minutes Hillary and Tenzing ... (stand) on the top of the world. 10. While Hillary ... (take) pictures, Tenzing ... (leave) chocolate and some biscuit on the top to please the gods. 11. By now Everest ... (climb) several times, but still it ... (remain) one of the most difficult peaks for climbers. 12. There ... (be) thousands of those who ... (dream) of conquering the mountain today and there ... (be) thousands of those who ... (dream) of conquering the mountain tomorrow.
2. George Everest measured the height of the mountain in 1852. The verb "measured" is used in the past tense to indicate an action that George Everest completed in the past.
3. The first British climbers were sent to the mountain in 1921 to look for a possible route to the summit. The verb "were sent" is in the past tense passive voice to indicate that someone else sent the climbers.
4. During the next thirty years, several expeditions to the mountain were organized by Great Britain and other European countries, but all these attempts to conquer Everest failed. The verbs "were organized" and "failed" are used in the past tense passive voice to show that the expeditions were arranged by someone else and did not succeed.
5. A new British expedition of 1953 finally brought success. The verb "brought" is in the past tense to indicate that the expedition achieved success.
6. On May 29, 1953, Edmund Hillary and Tenzing Norgay reached the summit. The verb "reached" is used to describe the action of successfully reaching the top of the mountain.
7. Hillary was a 33-year-old beekeeper from New Zealand, and Tenzing was a Sherpa, 6 years older than Hillary, and he had already climbed Everest six times with different climbing teams. The verbs "was" and "had already climbed" are used in the past tense to describe the characteristics and previous experiences of Hillary and Tenzing.
8. It took the two men five hours to climb 350 meters from camp 9 to the summit. The verb "took" describes the duration of time it took the men to complete the climb.
9. For 15 minutes, Hillary and Tenzing stood on the top of the world. The verb "stood" is used to describe the action of being in a specific position at the top of the mountain.
10. While Hillary was taking pictures, Tenzing left chocolate and some biscuits on the top to please the gods. The verbs "was taking" and "left" are used in the past tense to describe the simultaneous actions of Hillary taking pictures and Tenzing leaving offerings.
11. By now, Everest has been climbed several times, but still, it remains one of the most difficult peaks for climbers. The verb "has been climbed" is used in the present perfect tense passive voice to indicate that Everest has been climbed in the past and the result is still relevant in the present. The verb "remains" is used to describe the current state of Everest as being one of the most difficult peaks.
12. There are thousands of those who dream of conquering the mountain today and there will be thousands of those who dream of conquering the mountain tomorrow. The verbs "are" and "will be" are used to indicate the existence and expectation of future dreams of conquering the mountain.