Do You Use Desu After Katta? [Solved]

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Do You Use Desu After Katta? [Solved]

To make it the past tense, remove ending “i”, and add “katta”. To make it negative, remove ending “i”, and add “kunakatta”. Examples: oishi i desu (It’s delicious) / oishi katta desu (It was delicious) / oishi kunai desu (It isn’t delicious). / oishi kunakatta desu (It wasn’t delicious).

Genki L5 い- and な-adjectives and their negative forms (くない and じゃない forms)

Note: typo at 3:53. Please ignore お before 猫(ねこ neko). Sorry about this! Japanese adjective conjugation rules

Dewa arimasen VS Ja arimasen - Basic Japanese Grammar

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Genki L9 Adjectives た and なかった: past affirmative and negative forms (JLPT N5)

Japanese adjective conjugation rules