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"The train passes through the tunnel. "

"Clouds were forming interesting shapes in the sky. "

"He cleaned the mouthpiece of his trumpet after band practice. "

"Please put your cellphones on vibrate for the duration of the meeting."

"My younger sister plays the flute beautifully in her school band. "

"The violinist was a master of her instrument."

"The hot air from the furnace was ducted throughout the house to keep it warm. "

"The room has a wooden floor."

"The house's front porch had a row of sturdy wooden columns supporting the roof. "

"The inside of the building has been extensively restored."

"The lightning caused thunder."

"The teacher used a tape recorder to record the students' presentations for later review. "