a sentence for return
Your return is subject to audit.
The king may capitulate if you give him something in return.
"He will return." is a complete sentence; 'he' is the subject and 'will return' is the verb.
I came today to return the books that I borrowed.
I live in a foreign land, but have a yearning to return to the land of my birth
He will return. Yes, this is a complete sentence.
"And you are an adult. Now that we set age aside, let's discuss intelligence."
A period of prosperity never lasts long enough, but if you can be patient, it will return.
No, "federal tax return" is not capitalized in a sentence unless it is part of a title or the beginning of a sentence.
The company guaranteed the quality of its products by allowing customers to return them within one year if they broke.
Mom is about to return from her trip
A sentence only requires a subject and verb - everything else is just details. "He wept" is a prime example of a viable sentence, and "he will return" is another.