Japanese Adjective Past Tense Conjugation

Conjugation Rules

Tanoshii desu (is fun) → Tanoshikatta desu (was fun)
For i-adjectives, drop the final i and append katta desu.

Yuumei desu (is famous) → Yuumei deshita (was famous)
For na-adjectives, change the copula desu to its past form deshita.

Animated Conversation

A: Okaerinasai. Nagano wa dou deshita ka?
Welcome back. How was your trip to Nagano?

B: Sugoku tanoshikatta desu.
It was extremely enjoyable.

B: Shashin o takusan torimashita. Sorekara, soba mo tabemashita. Totemo oishikatta desu.
I captured many photos, and also ate soba noodles. They were exceptionally tasty.

A: Sou desu ka. Yokatta desu ne.
Is that so? That is wonderful.

B: Nagano no hito wa totemo shinsetsu deshita.
The locals in Nagano were incredibly hospitable.

C: Tanoshii ryokou deshita ne.
It sounds like a delightful journey.

Vocabulary

  • Nagano (Place) - Nagano
  • Sugoku (Adverb) - extremely, very
  • Tanoshii (i-adj) - enjoyable, fun
  • Takusan (Adverb) - a lot, many
  • Toru (Verb) - to capture, to take a photo
  • Sorekara (Conjunction) - and then, additionally
  • Soba (Noun) - buckwheat noodles
  • Oishii (i-adj) - tasty, delicious
  • Yoi (i-adj) - good → Past: Yokatta desu
  • Totemo (Adverb) - extremely, very
  • Shinsetsu (na-adj) - kind, hospitable
  • Ryokou (Noun) - journey, trip

Situational Dialogue

A: Keshiki wa utsukushikatta desu.
The scenery was gorgeous.

B: Takao-san wa hontou ni subarashikatta desu.
Mount Takao was truly magnificent.

A: Nihon ni wa subarashii yama ga takusan arimasu. Fuji-san mo yokatta desu.
Japan possesses numerous splendid mountains. Mount Fuji was also quite pleasant.

B: Jaa, ashita ikimashou.
Well then, let us go tomorrow.

Vocabulary

  • Keshiki (Noun) - landscape, scenery
  • Utsukushii (i-adj) - gorgeous, beautiful
  • Takao (Place) - Mount Takao
  • Hontou (na-adj/Adverb) - truly, really
  • Subarashii (i-adj) - magnificent, wonderful
  • Fuji-san (Noun) - Mount Fuji
  • Ashita (Noun) - the following day, tomorrow

Tags: Japanese Grammar Adjectives Past Tense Conjugation

Posted on Thu, 10 Sep 2026 16:50:57 +0000 by datoshway