Have you ever wanted to say, “It’s supposed to…” or “It should be…” in Japanese? Then ～はず is the grammar you’re looking for! It’s a super useful expression when you’re reasonably certain about something based on logic, experience, or information.

Let’s break it down step-by-step!

🔹 What is ～はず？

はず is a noun that means “should,” “supposed to,” or “expected to.”
You use it when you’re pretty sure something is true based on evidence, common sense, or what you were told — even if you’re not directly witnessing it.

🧠 Think of it like this:

Based on what I know, this should be the case. → ～はず

🔹 Basic Sentence Patterns

🔸 Example Sentences

📌 Verb Example
彼かれはもう帰かえったはずです。
He should have already gone home.

📌 い-adjective Example
この店みせのラーメンはおいしいはずですよ。
This shop’s ramen should be delicious.

📌 な-adjective Example
彼かれはまじめなはずなのに、今日きょうは来こなかった。
He’s supposed to be serious, but he didn’t come today.

📌 Noun Example
あの人ひとは先生せんせいのはずです。
That person is supposed to be a teacher.

🔹 Common Phrases with はず

・～はずがない / ～はずはない
Means: There’s no way that… / It can’t be…

📌 Example:
彼かれがそんなことをするはずがない。
He would never do something like that.

・～のはずだった
Means: It was supposed to…, but… (it didn’t happen)

📌 Example:
今日きょうは晴はれるはずだったのに、雨あめが降ふってきた。
It was supposed to be sunny today, but it started raining.

🔹 Tips for Using ～はず

✅ Use it when you have a reason for your assumption (info, logic, experience).
❌ Don’t use it for just a guess or hope — use ～でしょう or ～かもしれない instead.

📝 Bad: 明日あした、晴はれるはず。(Just a guess)
📝 Good: 天気予報てんきよほうによると、明日あしたは晴はれるはずです。
(According to the forecast, it should be sunny tomorrow.)

🔹 Summary

Do you want to try using ～はず in a sentence? Share it in the comments! 👇
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