perpetuates

"The student had a perpetual smile, always seeming happy. "

"My math teacher recommended a specific textbook for extra practice. "

"His outdated wordprocessing software could not read the files I sent."

"My sometimes neighbor, a retired teacher, still visits the school occasionally. "

"Children who exhibit disruptive behaviour may be expelled from school."

"My grandmother makes a delicious strawberry preserve for breakfast. "

"Many people unfairly believe the stereotype that all teenagers are lazy and irresponsible. "

"The soccer team's strong camaraderie helped them win the championship. "

"In order to destroy evil, we must first acknowledge its existence."

"Our family's tradition is to have a big Thanksgiving dinner with all our relatives. "

"He regularly drank himself into oblivion."

"The extinction of the school's lunchtime debate club was a disappointment to many students. "