In the park, people were playing happily.

My staple food is rice.

Once upon a time, there was a big castle in this place.

Once, we used to play in the park every day.

In the past, we used to play in the park every day.

He tends to hold onto past failures.

I look forward to eating delicious cooked grains every day.

I eat delicious cooked grains (rice) every day.

Mr. Ii is my best friend.

In the old days, people used to have cooked grains as their staple food.