Understanding the difference between active and passive voice is essential for clear English writing and speaking. Both forms are correct — the key is knowing when each one works best.
Active voice: the doer acts. In active voice, the subject performs the action: "The teacher explained the lesson." "I wrote the report." "The company launched a new product." Active voice is direct, energetic, and easy to understand. It is the preferred form for most everyday communication.
Passive voice: the action happens. In passive voice, the subject receives the action: "The lesson was explained by the teacher." "The report was written by me." "A new product was launched by the company." The structure is: subject + was/were + past participle (+ by the doer).
When to use passive voice. Use it when the action is more important than who did it: "The building was completed in 2020." When you do not know who performed the action: "My phone was stolen." In formal and scientific writing: "The experiment was conducted under controlled conditions."
When to avoid passive voice. In most everyday communication, active voice is stronger and clearer. "The project was delayed by several factors" is weaker than "Several factors delayed the project." Active voice takes fewer words and sounds more confident.
How to convert between the two. Take the active sentence: "The dog chased the cat." To make it passive: "The cat was chased by the dog." Simply move the object to the subject position, add was/were + past participle, and optionally add "by + doer." Practice converting five active sentences to passive every day until it becomes automatic.
Shaista teaches active and passive voice at LEWS Academy using everyday scenarios — describing daily routines, workplace events and news stories. Students who can switch between the two forms naturally demonstrate stronger command of English at every level.
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