In this video, students learn two common uses of the present perfect tense. They also learn the difference between regular and irregular past participles. Fo...
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長度: 05:56, 發表時間 : 2021-11-14 23:59
觀看次數 : 517
In this video, students learn two common uses of the present perfect tense. They also learn the difference between regular and irregular past participles. Fo...