Mimi Kara Oboeru N4 Grammar: 88. ～はず

Mimi Kara Oboeru N4 Grammar: 88. ～はず (hazu)
Here is Japanese N4 grammar study material taken from the Mimi Kara Oboeru N4 textbook.

～はず

1. Meaning: (Inferring from some reason) naturally, surely…

2. Structure:
[noun / adjective / verb] in the noun-modifying form

小学校以下なら、入場料は半額のはずです。
Shōgakkō ikanara, nyūjō-ryō wa hangaku no hazudesu.
Primary school pupils should only have to pay half price for admission.

山田さんはアメリカに留学したことがあるから、英語は得意なはずだ。
Yamada-san wa Amerika ni ryūgaku shita koto ga arukara, eigo wa tokuina hazuda.
Mr Yamada studied in America, so his English must be very good.

毎日残業があると言っていたから、彼は忙しいはずですよ。
Mainichi zangyō ga aru to itte itakara, kare wa isogashī hazudesu yo.
He says he has to work overtime every day, so he must be very busy.

「テイさん、遅いですね。どうしたのでしょう？」 「遅れても来るはずですよ。電話でかならず行くと言っていましたから」
`Tei-san, osoidesu ne. Dō shita nodeshou?’ `Okurete mo kuru hazudesu yo. Denwa de kanarazu iku to itte imashitakara’
Tei is very late. I wonder if something has happened. – Even if she is late, she will surely come. She phoned to say she would definitely come.

あのまじめなTuấn さんが、そんな悪いことをするはずがない。
Ano majimena Tuấn-san ga, son’na warui koto o suru hazu ga nai.
Someone as upright as Tuan would never do something so bad.