Mr. Teranushi is an old friend of mine.

The temple priest offers prayers at the temple every day.

Mr. Teranushi is my best friend.

Every morning, I recite the Lord's Prayer.

I completely disagree with the OP's opinion.

What is the main clause of this sentence?

When will you go to Japan?

When are you going to Japan?

He will help at any time.

How old are you?