To convert this, you make "the intern" the subject: "The intern submitted the report. The agent performing the action is missing or buried after "by".
Effective Techniques to Rewrite Passive Constructions into Active Voice
Understanding how to change passive to active voice is a fundamental skill that sharpens your writing and communication. Sentences that lack a clear subject performing a visible action are prime candidates for revision into active voice.
Business communications, scientific papers, and journalistic writing all benefit from active constructions. The subject of the sentence is acted upon rather than acting.
Rewrite Passive Constructions Active Techniques
Review your emails, reports, and drafts specifically looking for passive constructions. Over time, choosing the active voice will become an intuitive part of your clear and compelling communication style.
More About How to change passive to active voice
Looking at How to change passive to active voice from another angle can help expand the discussion and give readers a second clear paragraph under the same section.
More perspective on How to change passive to active voice can make the topic easier to follow by connecting earlier points with a few simple takeaways.