Advent is the season to celebrate the period before Christmas.

Qingming Festival is a day to clean the ancestors' graves and show respect.

This text is organized using section signs.

He is good at finding stick insects.

Meiji Festival is an important day in Japanese history.

What is the main clause of this sentence?

What he said is a subordinate clause.

He is learning how to use nunchucks.

He is learning self-defense using nunchucks.

My grandfather is suffering from arthritis.