installing

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

"My dad installed a new security system in our house yesterday. "

"Chancellor of the Duchy of Lancaster  Lord Chancellor"

"The mayor's office held a special ceremony to honor the city's firefighters. "

"My uncle is a computer for our family; he's always calculating budgets and costs. "

"My older sister is attending university to study engineering. "

"The new school management software allows teachers to easily track student progress. "

"My favorite position in the classroom is near the window. "

"The new teacher worked hard to establish a routine in her classroom. "

"The preparation for the upcoming science test was thorough. "

"I think this piece connects to that piece over there."

"He was dressed too formally for the occasion."