He headed to the palace to tell the emperor an important report.

My best friend is a twin sister.

This sentence shows the aspect of completion.

He is good at operating that machine.

This family tradition has been handed down from generation to generation.

He inherited the family business from his father.

He was elected as the new Prime Minister of Japan.

Please calculate the sum of this sequence.

The police are investigating the incident.

All his failures are his own doing.