During recess, the children leap-frog across the playground, laughing as they go.

Every afternoon, the kindergartener leap-frogs across the playground with the other children.

At recess, the children lined up and giggled as the leap-frogs vaulted over one another's backs.

The children were leap-frogging across the playground while their parents chatted on the benches.

Many families celebrate the birthdays of relatives born on leap days with special gatherings every four years.

Under the proposed calendar reform, a leap week would be inserted so that every year begins on the same weekday.

When I think of summer, the smell of grilled corn leaps to mind.

When she heard the news, she couldn't help but leap for joy.

When she heard the news, she leaped for joy and hugged her friends.

After hearing the good news, Maria was leaping for joy in the kitchen.