employed

"He is a student of life."

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

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

"The general studied different strategies to win the war. "

"The burglar made off with a large diamond from the museum."

"The mechanic fixed the broken bicycle chain. "

"That famous singer, somebody everyone recognizes, is performing at the school concert. "

"Her diligent practicing on the piano led to a stunning performance at the recital. "

"The construction crew's working on the new school building is going smoothly. "

"The complicated instructions on the new software difficult me from completing the project on time. "

"Today is the child of yesterday and the parent of tomorrow."

"My son attends the elementary school near our house. "