In everyday English, active voice is the normal choice when you want to say who does something. The subject comes first, then the verb, then the object: The nurse checked my temperature. My sister sent the email. The sentence feels direct because the doer is clear. In speech and most writing, this is usually the easiest structure to understand, especially when the order of information matters. If you already know how English sentence structure works, Word Order explains why this pattern sounds natural. Active voice also fits well with most common verbs, so the sentence moves quickly and the listener does not have to search for the action. In simple narratives, instructions, and daily conversation, it keeps the focus on people and actions in a straightforward way.

Active voice as the clear default

Example	Pattern
Maria opened the window.	Use active voice when you want to say clearly who does the action.
I called my sister after dinner.	Choose active voice for most everyday speaking and writing because it is direct.

Passive voice changes the focus. The receiver of the action becomes the subject, so the sentence points toward what happened to something or someone: The window was broken. The report was finished. The doer can appear later, but it does not have to. Speakers choose this form when the event, result, or object is more important than the person who caused it. In news, warnings, and descriptions of results, passive voice often sounds more suitable than active voice because it places the reader’s attention on the thing affected. Compare The chef burned the rice with The rice was burned. The first sentence focuses on the chef. The second focuses on the rice. Passive voice can also sound more neutral, which is why it often appears in formal contexts and in writing that describes facts rather than personal action.

Passive voice for receiver focus

Example	Pattern
The window was opened by Maria.	Use passive voice when you want to focus on the person or thing that receives the action.
The report was finished this morning.	Use passive voice when the doer is less important than the result.

Sometimes the person or thing that caused the action is not known. In that case, passive voice gives a natural sentence without forcing a guess. My car was stolen. The package was delivered yesterday. The phone was repaired overnight. The speaker does not need to name the agent when there is no useful information to give. This is common in reports, accidents, and everyday situations where the focus is on the event itself. The doer may also be unimportant. The door was left open. Here, the main point is the open door, not who forgot it. When you do want to mention the agent, use by + noun: The car was stolen by a professional thief. In many sentences, though, leaving the agent out sounds more natural and avoids extra words. In clauses like these, passive voice often works alongside Clauses because the sentence can include or omit the agent depending on what the speaker wants to emphasize.

Passive voice without a known doer

Usage	Explanation	Example
Unknown agent	Use passive voice when you do not know who did the action.	My bike was stolen last night.
Unimportant agent	Use passive voice when the doer does not matter to the message.	The tickets were sold quickly.
Left out for natural style	Use passive voice when leaving out the doer sounds more natural.	The door was left open.

Formal writing often uses passive voice to sound objective and to keep the writer out of the center of the sentence. Reports, lab notes, business messages, and notices frequently prefer forms like The results were analyzed or The office was closed early. This style can sound careful and impersonal, which is useful when the focus should stay on facts, procedures, or outcomes. It also helps avoid repeated I and we in long documents. Compare We checked the data, and we corrected the errors with The data were checked, and the errors were corrected. The second version feels more formal and less personal. The choice is not about being vague for no reason. It is about showing that the message matters more than the writer. In many of these contexts, passive voice works with Indirect Speech when reports summarize what was said, and with Direct Speech when exact words are quoted instead.

Passive voice in formal texts

Usage	Explanation	Example
Objective report style	Use passive voice in formal writing when you want a neutral and objective tone.	The samples were tested in the lab.
Avoiding first person	Use passive voice to avoid repeating I or we in reports and notices.	The form was submitted on time.
Formal process description	Use passive voice when the process matters more than the person doing it.	The package was delivered this afternoon.

The passive form uses be plus a past participle: is made, was built, will be sent. The form of be shows the tense, while the past participle shows the passive meaning. The cake is baked every morning. The cake was baked yesterday. The cake will be baked tomorrow. The main verb does not change for person in the same way as active voice does, because be carries the tense. Passive forms therefore depend on both Verbs and Past Participles. In continuous and perfect tenses, the same pattern continues: is being repaired, has been chosen, had been written. The important part is that the action is received, not performed by the subject. The sentence stays passive as long as be leads into a past participle.

Be plus past participle in passive forms

Example	Pattern
The cake is baked every Friday.	Make the passive form with be plus a past participle.
The cake was baked yesterday.	Change the tense by changing be, not the past participle.
The windows are cleaned every morning.	Use the same past participle form after every form of be.

To change an active sentence into passive voice, move the object of the active sentence into the subject position, then use the correct form of be and the past participle. The manager approved the plan becomes The plan was approved. If you want to mention the doer, add by plus the original subject: The plan was approved by the manager. Keep the meaning the same, but change the focus. The active subject becomes the agent in the by phrase. A common mistake is using the base verb instead of the past participle: The plan was approve is wrong. Another mistake is forgetting that the passive sentence needs a form of be. The structure stays stable because English relies on Word Order to show who does what, and passive voice changes that order on purpose. Use the passive when the receiver should stand in the main position and the doer should move back or disappear.

Changing active sentences to passive

Example	Pattern
Active: The chef cooked the meal. Passive: The meal was cooked by the chef.	Move the object of the active sentence to the subject position in the passive sentence.
Active: The team built the bridge. Passive: The bridge was built by the team.	Use be plus the past participle to keep the same meaning in the passive.
The song was written by Lena.	Add a by phrase only when the doer is important or needs to be named.