What is the subject in this sentence?

"The mean boy tricked the little girl."

breaking it down into simpler structure would be:

The boy tricked the girl

subject is boy.

The simple subject is "boy," and the complete subject is "the mean boy."

I hope this helps a little more. Thanks for asking.

To identify the subject in a sentence, you can ask "Who or what is performing the action or being described in the sentence?"

In the given sentence, "The mean boy tricked the little girl," the subject is "The mean boy." It is the person or thing who is performing the action of tricking the little girl. By identifying the verb "tricked" and asking "Who or what tricked the little girl?", you can determine that the subject is "The mean boy."