Please calculate the area of this square.

Geopolitics is the key to understanding important aspects of international relations.

Let's try to predict tomorrow's weather using the future tense.

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

Wasei-eigo is a unique way of expression in Japan.

Hygiene is very important for maintaining health.

Good Friday is an important holiday in Christianity.

I heard the news that an asteroid is approaching Earth.

He started running in the northwest direction.

It will still take some time to complete this project.