Sure, I'd be happy to explain the structures for active voice and passive voice.
Active Voice:
In active voice, the subject of the sentence performs the action expressed by the verb. The structure typically follows this pattern:
Subject + Verb + Object
For example:
"The cat (subject) chased (verb) the mouse (object)."
Passive Voice:
In passive voice, the subject of the sentence receives the action expressed by the verb. The structure typically follows this pattern:
Object of the active sentence + Verb (past participle) + by + Subject of the active sentence
For example:
"The mouse (object) was chased (verb) by the cat (subject)."
Notice that in the passive voice, the emphasis is often placed on the action or the object of the action rather than the doer (subject) of the action.
It's worth noting that while both active and passive voices have their uses, active voice is generally considered clearer, more direct, and more engaging for the reader. Passive voice is often used when the doer of the action is unknown, less important, or deliberately being omitted from the sentence.