* The tired old dog slept soundly on the porch.
* Complete subject: The tired old dog
* Simple subject: dog
* My grandmother's beautiful garden was filled with colorful flowers.
* Complete subject: My grandmother's beautiful garden
* Simple subject: garden
* The three mischievous kittens chased each other through the house.
* Complete subject: The three mischievous kittens
* Simple subject: kittens
Key Points:
* Complete subject: Includes the main noun or pronoun in the sentence, along with any modifiers (words that describe it).
* Simple subject: The main noun or pronoun, stripped of any modifiers.
Let me know if you'd like more examples!