〜に違いない (past/negative)
It must have been...; there's no doubt that it was/wasn't...
Verb (past/negative) + に違いない Noun + ではなかった + に違いない
〜に違いない (past/negative)
- Pattern: 〜に違いない (past/negative)
- Structure: Verb (past/negative) + に違いない
Noun + ではなかった + に違いない - JLPT level: N2
How To Use It
Focus on the connection pattern first, then make one sentence about your own life. Check particles carefully before memorizing.
Examples
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〜からすると (kara suru to)
Judging from, from the standpoint of (used to make a conjecture based on a certain perspective).
〜つつある (tsutsu aru)
In the process of, currently ongoing change (equivalent to 'is/are in the middle of changing').
〜わけにはいかない (wake ni wa ikanai)
Cannot afford to do, must not do (due to social or moral reasons/obligations).
～にほかならない
Nothing other than; precisely; definitely. A key academic marker used by the author to state a definitive conclusion or pinpoint the exact reason for something.
～からといって
Just because... (it doesn't mean that...). Crucial for reading strategies to identify where the author is refuting a common assumption or counter-arguing.
～にすぎない
Nothing more than; merely; only. Used in reading comprehension to downplay the significance of a fact or to define its limit within the author's argument.