Meaning
Shows a logical expectation: the speaker believes something should be true for known reasons.
Formation
- Modifying form + はずです: 着いたはずです, 静かなはずです, Nの + はずです
When to use it
- Core use
- Should be so, by logic
Examples
20 sentences-
田中さんはもう家に着いたはずです
Tanaka should have arrived home already.
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このバスは駅に止まるはずです
This bus should stop at the station.
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今日は平日ですから銀行は開いているはずです
Today is a weekday, so the bank should be open.
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彼は毎日練習しているのでもっと上手になれるはずです
He practices every day, so he should be able to improve.
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地図を見たからこの道で合っているはずです
I checked the map, so this road should be the right one.
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冷蔵庫に入れたからプリンはまだあるはずです
I put the pudding in the fridge, so it should still be there.
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電車は今ごろ京都に着いているはずです
The train should have arrived in Kyoto by now.
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三十分焼いたのでケーキはもうできたはずです
The cake baked for thirty minutes, so it should be ready now.
12 more examples
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鈴の音がするから猫はソファーの下にいるはずです
I can hear a bell, so the cat should be under the sofa.
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鍵は出かける前に使ったからポケットにあるはずです
I used the key before leaving, so it should be in my pocket.
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明後日は雨のはずです
I expect that it will rain the day after tomorrow.
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この部屋は静かなはずです
I expect that this room is quiet.
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この道は安全なはずです
I expect that this road is safe.
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彼はもう家に帰ったはずです
I expect that he has already gone home.
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今度の試験は難しいはずです
I expect that the coming exam will be difficult.
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その荷物は重いはずです
I expect that that luggage is heavy.
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電車は五時に着くはずです
I expect that the train will arrive at five.
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田中さんは今日来ないはずです
I expect that Mr. Tanaka will not come today.
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その店は休みのはずです
I expect that that shop is closed for the day.
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新しい先生は親切なはずです
I expect that the new teacher is kind.
Important notes
- はず expresses a reasoned expectation, based on what the speaker knows.
Common mistakes
- Use の after nouns and な after な-adjectives: 学生のはず, 元気なはず.
Check yourself
Pick the translation of each sentence. The wrong options translate similar patterns, so watch the grammar rather than the words.
Similar grammar
Hear it in podcasts
The pattern appears in these episodes. They open in the app with the transcript and translation.
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