My grandfather used to till his privately-owned rice field.

He holds a personal grudge against me.

Using the private railway makes commuting very convenient.

What will you use this empty box for?

I go to school with my lunchbox every day.

I go to school with a lunchbox every day.

Where is my toolbox?

He opened the wooden box and checked its contents.

He heated the iron in the blacksmith's shop using a bellows.

He plays dumb as soon as a problem arises.