He did a foolish act.

His actions were thought to be foolish.

He is studying ancient cannons.

I am creating a plan for the new project.

I am planning to go to Kaifeng in China next week.

The country was finally liberated.

He used a compass to indicate the direction.

I have to attend court tomorrow.

My mother practices Falun Dafa every day.

This building is at risk of decay.