willfully

"He knew something terrible was going to happen."

"She willingly helped her neighbor carry groceries inside. "

"A problem ignored is a problem doubled."

"The student maliciously spread false rumors about his classmate to damage his reputation. "

"Instruction will be provided on how to handle difficult customers."

"My daughter's teacher is very kind and helpful. "

"Do you want me to continue to unload these?"

"He is a student of life."

"My purpose for studying hard is to get good grades in school. "

"He was in trouble when the rain started."

"The team is drawing up a new plan for the project. "

"To avoid a fight, Sarah deliberately walked a different route to school today. "