Unit 24Phase G · Adjectives
いけいようし
い-adjectives — they conjugate on the い
そのままdirectly before a noun
No な needed — the adjective touches the noun.
おおきい いえ = a big house
いが かわるthe い does the work
Change the final い for the other forms.
たかくない / たかかった
おおきい いえですね。
“It's a big house, isn't it?”
Step 1
Words & modifying a nounことば と めいし
First, some い-adjectives. 🔊 Tap any word to hear it.
To describe a noun, put the い-adjective right in front of it — no な needed.
Step 2
The four formsかつよう
Keep the stem, change the ending on the い. 🔊 Tap any example to hear it.
かたち Form | れい（たかい） Example | いみ Meaning |
|---|---|---|
Present げんざい | It's expensive. | |
Negative ひてい | It's not expensive. | |
Past かこ | It was expensive. | |
Past negative かこ・ひてい | It wasn't expensive. |
One irregular: いい (good). The negative and past use よ-, not い-: よくないです / よかったです / よくなかったです.
Step 3
Q&A — describe thingsかいわ
Ask and answer with い-adjectives — present and past.
この くるまは たかいですか。
Is this car expensive?
いいえ、 たかくないです。
No, it's not expensive.
りょこうは たのしかった ですか。
Was the trip fun?
はい、 たのしかった です。
Yes, it was fun.
Step 4
い-adjective quizクイズ
Pick the right word and form — the English tells you which い-adjective and which tense. Watch for the いい irregular!
Question 1 / 6 · 0 correct
fill the blankえいがは blank。The movie was good. (いい — irregular)