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Sagot :
Answer:
1. The rising cost of medicines (has turned) the attention of medical scientist to herbal cures.
2. Herbalists or “herbalarious” (have proven) that plants are effective in treating certain diseases.
3. "So far, we (have analyzed) 300 plants," says Mrs. Ludivina S. de Padua, director of U.P. Los Baños Medical Plant Program, "and we (have discovered) that what herbalists are doing has scientific basis."
4. From the studies, Mrs. De Padua, together with G.C. Lugod and J.V. Pancho (have published) two handbooks on Philippine Medical Plants.
5. She (has lectured) on plants and their cures and (has spoken) in medical seminars on medical plants.
Explanation:
The present perfect tense is when an action occurred in an indefinite time in the past or started in the past and is still relevant in the present. In other words, we can say that the present perfect tense talks about a past event that has present consequences. The simplest way of detecting it is the structure or form of "has/have + Past participle".
Five sentences with the present perfect tense of the verbs are given below-
1. The rising cost of medicines (has turned) the attention of medical scientist to herbal cures.
2. Herbalists or “herbalarious” (have proven) that plants are effective in treating certain diseases.
3. "So far, we (have analyzed) 300 plants," says Mrs. Ludivina S. de Padua, director of U.P. Los Baños Medical Plant Program, "and we (have discovered) that what herbalists are doing has scientific basis."
4. From the studies, Mrs. De Padua, together with G.C. Lugod and J.V. Pancho (have published) two handbooks on Philippine Medical Plants.
5. She (has lectured) on plants and their cures and (has spoken) in medical seminars on medical plants.
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