the present perfect tense

常見例句

To grasp the usage of the present perfect tense.
掌握現(xiàn)在完成時(shí)態(tài)的用法。
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It is not easy to learn to use the present perfect tense correctly.
學(xué)習(xí)正確使用現(xiàn)在完成時(shí)不是容易的事。
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They appear more excited when we talk about university life in the United States than when we discuss the correct usage of the present perfect tense.
與討論如何正確使用現(xiàn)在完成時(shí)相比，儅我們談起美國大學(xué)的生活時(shí)，他們顯得更爲(wèi)興奮。
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