prefixed

"There was a requirement of the government on citizens for paying taxes."

"My friend told me there was something in the box, but I didn't know what it was yet. "

"The school's fundraising project aims to renovate the library in several stages. "

"The teacher determined the rules for the classroom project, setting clear limits on the length of presentations. "

"The specified dress code for the party included a formal gown and black tie. "

"My daughter's teacher is very kind and helpful. "

"an advance in health or knowledge"

"Example Sentence: "Having invested wisely over the years, my grandmother is quite beforehand and enjoys a comfortable retirement." "

"Everyone in the class needs to bring their textbook to the first lecture. "

"My teacher explained the new math concept, and I understood it perfectly. "

"My parents are ensuring my younger sister gets to school on time every day. "

"The beginning of the school year is always exciting. "