Coral reefs are very important for marine ecosystems.

Postnatal care is very important.

We went to see a coral reef during summer vacation.

Coral reefs play a very important role in the marine ecosystem.

I will attend a friend's luncheon party tomorrow.

His behavior was my miscalculation.

He made a miscalculation in the budget.

My favorite starter Pokémon are Bulbasaur, Charmander, and Squirtle.

When is your trip to Santiago?

A mixed number is a number that has an integer part and a fraction part.