基本解釋現在完成時英漢例句雙語例句To grasp the usage of the present perfect tense.掌握現在完成時態(tài)的用法。www.td-school.org.cnIt is not easy to learn to use the present perfect tense correctly.學習正確使用現在完成時不是容易的事。blog.sina.com.cnThey 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在完成時相比,儅我們談起美國大學的生活時,他們顯得更爲興奮。edu.sina.com.cnthe present perfect tense更多例句詞組短語短語On the present Perfect Tense 那大中學The present perfect tense usage 現在完成時的用法The present perfect continous tense 現在完成進行時The Present Perfect Progressive Tense 現在完成進行時the present perfect tense更多詞組專業(yè)釋義語言學現在完成時