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Grammar · い-adjectives

かったです, the past

The pattern

[stem] katta desu

Drop い and add かった for the past. Past negative is くなかったです.

The mistake to avoid

Never 楽しいでした. The adjective carries the tense itself, so です stays in the present.

Examples

Rōmaji help
tanoshikatta desu.
It was fun.
samukunakatta desu.
It wasn't cold.
eiga wa omoshirokatta desu.
The film was interesting.
kinō wa atsukatta desu.
It was hot yesterday.