N5adjectivei-adjectivepastnegative
い-adjective - Past Negative
[い-adj stem] + くなかったです
Quick answer
[い-adj stem] + くなかったです means "Was not [adjective]". Mastering this N5 structure builds fluency for reading and listening. Full examples and exercises are below.
Meaning
Was not [adjective]
Explanation
Remove い and add くなかったです for past negative.
Examples
Practice this grammar
[い-adj stem] + くなかったです
Which sentence correctly uses "い-adjective - Past Negative"?
Vocabulary from these examples
Last updated Jul 4, 2026