lunges

"Although the birds fly north for the summer, they return here in winter."

"...approximately 60 beats per minute."

"In her English class, Maria learned that a participle, like "running" in "running shoes," can act as an adjective. "

"It took him only twenty minutes to perform the task."

"My sister is very helpful, especially when it comes to organizing things. "

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"I saw a movement in that grass on the hill."

"People commonly eat breakfast before going to school. "

"My grandfather helped me with my math homework. "

"The fireworks which opened the festivities excited anyone present."

"Because she had been a dancer for years, she was a practiced performer. "

"Inspect the system for leaks."