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"The connection between the two classrooms was established by installing a new phone line. "

"Our neighborhood was our only reason to exchange hollow greetings."

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

"Understanding what a preposition is helps students identify the function of words like "on," "in," and "at" within a sentence. "

"The chef specialized his menu, separating the vegetarian dishes from the meat dishes. "

"The heavy snow was a major impediment to getting to school on time. "

"Can you demonstrate the new tools for us?"

"The government decided to raise taxes to fund new schools. "

"I brush my teeth regularly to prevent them from turning yellow."

"Your writing is not grammatical enough for publication."

"The student's access to the computer lab was unauthorized, as he did not have permission from the teacher. "

"My classmates and I are working on a group project for science. "