～はずだ JLPT N3 Neutral
〜hazu da
Expresses an expectation, 'should' or 'it is supposed to'.
Expresses an expectation based on reasoning, not advice - "it should be the case that...".
Formation
Verb-casual + はずだ, い-Adjective + はずだ, な-Adjective + なはずだ, Noun + のはずだ
Explanation
The ～はずだ grammar point is used to express an expectation or belief that something is true, even if it has not been confirmed. It can be translated as 'should', 'it is supposed to', or 'ought to' in English. The formation differs depending on whether it is used with a verb, い-adjective, な-adjective, or noun.
Example sentences
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He should have arrived by now.
Kare wa mou tsuita hazu da.
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If you take this medicine, the pain should go away.
Kono kusuri wo nomu to, itami ga nakunaru hazu da.
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It is supposed to be sunny tomorrow.
Ashita wa hareru hazu da.
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She is supposed to be well.
Kanojo wa genki na hazu da.