He observed a year of mourning after his father's death.

This bean is very delicious.

He was always faithful to his friends.

My grandmother maintains her health by eating yellow soybeans every day.

These shoes are heavily worn out because I use them every day.

Over a long period of time, this rock was worn away by wind and rain.

He used a screwdriver to assemble the furniture.

He is always postponing his work.

He turned the steering wheel vigorously in anger.

He is using that coat from winter to spring.