She worked out at the gym for two hours.

She is letting out a scream of joy.

She is helping out at the local food bank.

She helps out her neighbors whenever they need assistance.

She looks over her notes before the exam.

I stopped over at my friend's house on my way home.

He fell off his bike and scraped his knee.

She is falling off the bike.

He locks out anyone who doesn't have the password.

I locked out of my house last night.