1. Using "account" as a noun:
* The bank teller processed the withdrawal, and the customer's account was debited accordingly.
* The journalist investigated the source of the leak, but the account remained unconfirmed.
* He wanted to open a savings account, so he visited the bank to discuss his options.
2. Using "account" as a verb:
* She accounted for all the missing funds, and the audit was finally complete.
* The scientist carefully accounted for all variables in the experiment, resulting in accurate data.
* They accounted for the storm's impact on the schedule, and the project was delayed.
3. Using "account" in a phrase:
* The accountant carefully reviewed the company's accounts, and he found several discrepancies.
* The lawyer presented a compelling account of the events, and the jury was swayed.
* He gave a detailed account of his travels, and his friends listened intently.
Important Note: When using "account" in a compound sentence, make sure you use a coordinating conjunction (for, and, nor, but, or, yet, so) to connect the two independent clauses.
Remember to consider the context and meaning you want to convey when using "account" in your compound sentence.