Maoka-san is my best friend.

Mr. Maesato is my best friend.

This rain is a harbinger of the typhoon.

I forgot to do the pre-pasting, so I will do it now.

The recipe was published in the previous issue of the magazine.

He studied all night on the eve of the exam.

An abnormality was found in the preoperative examination.

Prepositions are an important part of grammar.

I placed the materials before the important meeting.

I had a great time with my friends at the eve festival.