The presentation files have been collected by teacher. The active sentence is .... a. Teacher have collected the presentation files. b. Teacher is collecting the presentation files. с. Teacher is being collected by the presentation files. d. Teacher has been collecting the presentation files. e. Teacher has collected the presentation files.

<p>Jawabannya adalah &nbsp;e. Teacher has collected the presentation files.</p><p>&nbsp;</p><p>Soal tersebut menanyakan bentuk kalimat aktif dari kalimat pasif "The presentation files have been collected by teacher."</p><p>Kalimat tersebut merupakan bentuk pasif dari bentuk Present Perfect Tense.</p><p>&nbsp;</p><p>Apabila diubah menjadi kalimat aktif maka rumusnya:</p><p><strong>S + has/have + Verb 3 + O</strong></p><p>Sehingga kalimat aktif yang benar adalah</p><p><strong>Teacher has collected the presentation files.</strong>&nbsp;</p><p>(memakai to be has karena subjeknya He/She)</p><p><br>Jadi, jawaban yang benar adalah e. Teacher has collected the presentation files.</p>