He has already finished writing the report, so we use the present perfect form.

Right now, I am in Tokyo.

I am learning how to use the present participle in English.

The present tense is used to express things that are happening now or general facts.

The culture of classical antiquity has a significant impact on the modern world.

The creatures of the ancient times were significantly different from the creatures of today.

The buildings of Ancient Rome still inspire many people today.

The philosophy of Ancient Greece has a significant influence on modern thinking.

How did the ancients live?

The Japanese river otter is an endangered species and is a target for nature conservation.