formalizing

"The teacher is requiring students to submit their essays by Friday. "

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

"You can create the color orange by mixing yellow and red."

"The school's fundraising committee planned a bake sale to raise money for new library books. "

"One way to encourage your employees to work harder is by giving them incentives."

"The teacher stood and pointed to the map, standing in front of the class. "

"The consistent of the student's grades showed a steady improvement throughout the year. "

"David Barnes was the official charged with the running of the sports club."

"The school's student council is a company of dedicated students who organize events. "

"The definite article "the" shows that we are talking about a specific house. "

"The formality of the school's dress code is strict; students must wear uniforms. "

"to enter an agreement;  the UK and US negotiators nearing agreement;  he nodded his agreement."