No, the punctuation is incorrect. There should be a comma after "home" to separate the two independent clauses in the sentence. It should read: "Nina realized she left her wallet at home when she got to the store, she had to bike all the way home to get it."
The simple subject in the sentence "Did you find your wallet" is "you."
subject: wallet
The suspension groaned under the weight of the heavy load.
The simple subject of the sentence is "you."
The simple subject of the sentence is "you".
I used a wallet at the store.
I lost my wallet today.
The simple subject in the sentence "Did you find your wallet" is "you."
The nouns in the sentence are Jeremy, money, wallet.
Serenity settled in while I realized I didn't lose my wallet and credit cards, studying at the library.
That is the correct spelling of "wallet" (money and card holder).
subject: wallet
The money was no longer in the wallet. He kept all his credit cards in the wallet.
In the sentence, "Did you find your wallet?", "you" is both the simple and total subject.
"I have left my wallet at home," he lied to his date.I found a wallet on the floor with a large sum of money and handed it in to the police.He needed a new wallet because his old one was tattered.
The suspension groaned under the weight of the heavy load.
The simple subject of the sentence is "you."