The policeman is investigating the scene of the traffic accident.

This festival is held every year.

He always works at nighttime.

The police officer is patrolling at night.

The police officer is patrolling the town at night.

The patrol car was patrolling our neighborhood.

He admitted that it is difficult to execute the plan, saying 'it is easier said than done.'

The mayor issued a curfew at night due to an emergency.

Well then, I'm off.