Active voice and passive voice?

Active voice: The subject of the sentence performs the action.

Example: The cat chased the mouse.

Passive voice: The subject of the sentence receives the action.

Example: The mouse was chased by the cat.

Active Voice

In active voice, the subject of the sentence performs the action of the verb. The verb is typically in the following tense forms:

- Simple present tense: Subject + verb + object
- Simple past tense: Subject + past tense of verb + object
- Simple future tense: Subject + will/shall + verb + object

Examples:
- The student wrote the essay. (Subject: student; Verb: wrote; Object: essay)
- They danced the night away. (Subject: they; Verb: danced; Object: night)
- We will explore the world. (Subject: we; Verb: will explore; Object: world)

Passive Voice

In passive voice, the subject of the sentence receives the action of the verb. The verb is typically in the following tense forms:

- Present passive: Subject + be + past participle of verb
- Past passive: Subject + was/were + past participle of verb
- Future passive: Subject + will/shall + be + past participle of verb

Examples:
- The essay was written by the student. (Subject: essay; Verb: was written; Agent: by the student)
- The night was danced away by them. (Subject: night; Verb: was danced away; Agent: by them)
- The world will be explored by us. (Subject: world; Verb: will be explored; Agent: by us)

Key Differences

- Subject: In active voice, the subject performs the action; in passive voice, the subject receives the action.
- Voice: In active voice, the verb is in the active form; in passive voice, the verb is in the passive form.
- Agent: In passive voice, the agent (the person or thing that performs the action) is often expressed using the preposition "by."

Usage

- Active voice is typically used for direct and assertive statements, emphasizing the actions of the subject.
- Passive voice is often used to emphasize the object or the result of an action, or when the agent is unknown or unimportant.