This video explains how to change the form of voice of the sentences belonging to the present continuous tense.
Each tense has two forms – active and passive. And for each form, a tense has a unique structure.
To change the form of the voice of a sentence we should take the following approach.
First, we need to find out the form of the voice in which sentence is.
Second, we need to find out the tense of the sentence.
As each tense has two forms of voice. We need to rewrite the concerned sentence in the respective opposite form of voice of that particular tense using the diagram mentioned in the video.