# Possibility - obligation

## はずだ・はずがない

<div class="usage">
<div class="left">
	<p><span class="box">V</span></p>
	<p><span class="box">い-Adj</span></p>
	<p><span class="box">な-Adj + な</span></p>
	<p><span class="box">N + の</span></p>
</div>
	<p class="right">+ はずだ ・ はずがない</p>
</div>

はずだ means "it must/should be", while はずがない means "it cannot be".

> [!info] Examples
> {彼|かれ}は今日来る==はずだ==。
> He should be coming today.
> 
> そんあ==はずがありません==。
> This cannot be true.

## 必ず

{必|かなら}ず means certainly, definitely. Expresses an obligation.

> [!info] Example
> 明日の{授業|じゅ|ぎょう}==必ず==来てください。
> Please be sure to attend tomorrow's class.