He wrote ancient poems using written language.

He wrote an ancient poem using the literary language form.

It's difficult to remember new words.

People from all over the country gathered to celebrate the emperor's birth.

People from all over the country gathered to celebrate the emperor's birth.

He explained using simple words.

I went to see a movie by myself.

Watching a movie alone is enjoyable.

He proceeded with his work in a matter-of-fact manner.

He was drinking coffee calmly.