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"While walking to school, Sarah found a lost wallet on the ground. "

"Overhunting can extinct entire species of animals. "

"While hiking in the rainforest, we spotted a brightly colored honeycreeper sipping nectar from a tropical flower. "

"She is borrowing my pen to fill out the form. "

"We're probably going to have a picnic in the park this weekend. "

"My dad, a kind bloke, always helps out at the school fair. "

"Often used to imply membership of a large class."

"My fellow students and I worked together on the project. "

"My favorite spot in the park is there, by the old oak tree. "

"the male species"

"Airplanes did not always exist as a form of transportation."

"Hey, beautiful!"