Japanese · 27 October 2026 · Topic vs. Subject (は vs が)
これは本です
kore wa hon desuRōmaji
This is a book.
expression
A declarative statement introducing 'this' (kore) as the topic and defining it as a book. It smoothly delivers background information or identifies a nearby object.
In a sentence
一見ただのノートに見えますが、これは本です。
ikken tada no nooto ni miemasu ga, kore wa hon desu.
At first glance it looks like a mere notebook, but this is a book.