Embark on a journey to master japanese adjectives na and i, unlocking the power behind na adjectives in japanese and refining your i adjective forms through this free Test Your Japanese Na & I-Adjective Mastery quiz. Whether you're curious about the difference between i-adj and na-adj or eager to ace a japanese adjective quiz, you'll discover clear explanations, real-world examples, and targeted practice. Each question challenges your ability to identify attributive versus predicative forms, boosting both accuracy and recall. For extra support, experiment with our japanese adjective conjugator to see instant transformations, then prove your progress in a lively adjective quiz . Ready to elevate your fluency? Let's get started!
Which of the following words is an i-adjective in Japanese?
??? (atsui)
???? (genkina)
???? (kireina)
??? (ninki)
I-adjectives in Japanese end with the syllable ? in their dictionary form. ??? (atsui) is the only one among these that ends with ?, making it an i-adjective. The other options are either na-adjectives or nouns and do not follow the ?-ending pattern. Learn more about distinguishing Japanese adjectives here.
Which of the following words is a na-adjective?
???? (oishii)
??? (samui)
??? (yasui)
??? (shizuka)
Na-adjectives require ? when they directly modify a noun. ??? (shizuka) is a na-adjective and takes ? before a noun. ???, ???, and ???? are all i-adjectives that end in ?. For more on na-adjectives, see this guide.
What is the past tense form of the i-adjective "??" (samui)?
???? (samukute)
????? (samuinai)
????? (samukatta)
???? (samushi)
To form the past tense of an i-adjective, you drop the final ? and add ???. Thus, ?? becomes ?????. The other forms are incorrect conjugations. You can review adjective conjugation rules here.
What is the polite present affirmative form of the na-adjective "??" (shizuka) when describing a place?
????? (shizuka desu)
?????? (shizukana desu)
?????? (shizukaku desu)
???? (shizuka da)
Na-adjectives in polite form take ?? directly after the dictionary form with no ? when predicative. Therefore, ???? is correct. The other options misuse ? or change the adjective incorrectly. More details on adjective politeness levels are available here.
How do you turn the i-adjective "???" (atarashii) into an adverb?
???? (atarashi)
?????? (atarashii ni)
????? (atarashiku)
????? (atarashina)
To form the adverbial form of an i-adjective, replace the final ? with ?. Thus, ??? becomes ???. This is how you describe doing something in a 'newly' manner. For further examples, see this resource.
How do you turn the na-adjective "??" (benri) into an adverb?
???? (benrina)
???? (benrika)
???? (benri ni)
???? (benri o)
Na-adjectives form adverbs by adding ? after the dictionary form. ?? becomes ???, meaning 'conveniently.' The other options are not valid adverbial forms for na-adjectives. See more at this explanation.
Which sentence correctly uses a na-adjective before a noun?
?????????????
????????????
?????????????
?????????????
Na-adjectives require ? when directly modifying a noun. In this case, ????? is correct. The other forms either omit the required ? or use incorrect particles. For more on noun modification, refer to this guide.
What is the negative form of the i-adjective "????" (oishii)?
???????? (oishii ja nai)
???????? (oishikunakatta)
?????? (oishikunai)
????? (oishisou)
To form the negative of an i-adjective, you drop the final ? and add ???. So ???? becomes ??????. The other options are past tense, wrong constructions, or different adjectives altogether. More conjugation rules are at this link.
What is the negative past form of the i-adjective "???" (ureshii)?
?????????? (ureshii ja nakatta)
??????? (ureshikunatta)
???????? (ureshikunakatta)
????????? (ureshikunai deshita)
For the negative past of an i-adjective, replace the final ? with ?????. Thus, ??? becomes ????????. The other choices either misuse particles or mix up tense. You can review more forms here.
Choose the correct polite negative form of the na-adjective "??" (yuumei).
????????? (yuumei ja arimasen)
?????? (yuumei ja nai)
???????? (yuumei dewa arimasu)
???? (yuumei desu)
The polite negative of a na-adjective uses ??????? after the adjective. Thus, ????????? is correct. The other options are either too casual or incorrect. More on polite versus casual forms at this tutorial.
Fill in the blank with the correct form: ??????______??? (The cake is sweet.)
???? (amakui)
????? (amakatta)
??? (amai)
????? (amasugiru)
The sentence is in the present affirmative, so the dictionary form of the i-adjective ?? is used. ???? means 'is sweet.' The other options are past tense or incorrect forms. Check out adjective contexts here.
Which adjective correctly completes the sentence: ??????? ???? (She is very energetic.)
??? (genki)
???? (genkiku)
????? (genkidesu)
???? (genkina)
For a na-adjective in the predicate, you use the base form plus ??. ??????????? is complete, but the blank itself is filled by ???. You don't add ? before ??. More on na-adjectives here this page.
What is the te-form of the i-adjective "??" (atsui) used to connect two clauses?
??? (atsumi)
???? (atsukute)
???? (atsuita)
???? (atsuide)
The te-form of an i-adjective is created by replacing the final ? with ??. Thus, ?? ? ????. This form allows you to connect clauses, e.g., ???????. For more examples, see here.
What is the te-form of the na-adjective "??" (shizuka) used to connect two clauses?
???? (shizukani)
???? (shizukata)
???? (shizukade)
???? (shizukaku)
To connect a na-adjective with another clause, you add ? after the dictionary form. Thus ?? ? ????. The other forms are incorrect adverbial or modifier constructions. Reference: link.
Which sentence uses the comparative form of an i-adjective correctly?
???????????
?????????????
???????????
????????????
To form a comparative, you use ?? after the noun you compare against, then the adjective. ?????????? correctly says 'The cat is smaller than the dog.' The other choices misuse tense or conjugation. More on comparatives here.
How do you say "It's convenient" using the na-adjective "??" (benri) in a casual form?
?? (benri)
???? (benri desu)
??? (benri ni)
??? (benri da)
In casual speech, na-adjectives take ? for a plain affirmative. ??? means 'It's convenient.' ???? is polite, and ??? is adverbial. For casual vs. polite usage, see this guide.
What is the noun form (using the suffix -?) of the i-adjective "???" (tanoshii)?
???? (tanoshigi)
???? (tanoshisa)
????? (tanoshishisa)
???? (tanoshimi)
The suffix -? nominalizes i-adjectives to express a degree or quality. ??? becomes ??? (tanoshisa), meaning 'fun(ness).' The other options either repeat the syllable or use different nominalizers. More details at link.
Which sentence correctly uses i-adjectives to describe someone as both tall and smart?
??????????????
???????????????
??????????????
???????????????
When connecting an i-adjective to another predicate, you use the ?-form. ?? becomes ???, and ???? is the correct expression for 'smart.' The other options misuse the te-form or omit particles. More on connecting adjectives here.
Which is the correct adverbial form of the na-adjective "??" (shizuka)?
???? (shizukana)
???? (shizuka ni)
???? (shizukashi)
???? (shizukade)
Na-adjectives become adverbs by adding ?. Thus, ?? ? ???, meaning 'quietly.' The other forms are attributive (?), connective (?), or incorrect. See more at this reference.
Which phrase correctly means "expensive car"?
??? (takana kuruma)
???? (takui kuruma)
??? (takai kuruma)
???? (takakute kuruma)
To modify a noun with an i-adjective, use its base form before the noun. ??? correctly means 'expensive car.' The other options misuse particles or the adjective ending. More noun-modification rules at link.
What is the polite past negative form of the na-adjective "???" (kirei)?
????????????? (kirei dewa arimasen deshita)
?????????? (kirei dewa nai deshita)
??????????? (kirei ja nakatta desu)
?????? (kirei deshita)
The polite past negative of a na-adjective uses ??????????. Thus, ????????????? correctly expresses 'was not pretty.' The other forms mix tenses or politeness levels. Check polite conjugations here.
Why is the adjective "???" (ookina) used instead of "???" in "????" (ookina koe)?
????????????????????????????
????????????????
??????????????????
??????????????????
??? is a special attributive form of the i-adjective ??? used before nouns, carrying the same meaning but in a more concise pattern. It's not about politeness or emphasis but classical usage. For historical and grammatical context, see this article.
Which of the following demonstrates the correct use of the -?? (-garu) form with i-adjectives?
??????????
??????????
????????????
?????????
To express that someone feels an i-adjective, you attach -?? to the adjective stem and use it as a verb. ?? ? ?????? indicates 'she feels cold.' The other forms misuse the -?? pattern. More on this usage here.
Which sentence correctly uses an i-adjective in a relative clause modifying a noun?
????????????????
????????????????
??????????????
???????????????
In Japanese, when an i-adjective modifies a noun in a relative clause, it goes directly before the noun. ????????? correctly means 'the interesting book I wrote.' The other sentences mix up particles or misplace the adjective. See relative clauses at this guide.
Which sentence correctly connects a na-adjective and an i-adjective to describe someone as both kind and tall?
????????????
????????????
?????????????
????????????
To connect a na-adjective with an i-adjective, use ? after the na-adjective and the ?-form (or base) for the i-adjective. ??????? correctly links ?? (na-adj) and ?? (i-adj). The other options misuse particles or forms. For advanced adjective linking, see this resource.
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AI Study Notes
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Study Outcomes
Differentiate between i-adj and na-adj -
Use quiz examples to recognize key characteristics and correctly apply the difference between i-adj and na-adj in Japanese sentences.
Identify na adjectives in Japanese -
Pinpoint and classify na adjectives in Japanese text and understand how they function when modifying nouns.
Construct correct i adjective forms -
Transform i adjective forms across tense and polarity to accurately describe states and qualities.
Analyze sentence structures -
Examine varied sentence patterns in this Japanese adjective quiz to choose the appropriate adjective type for each context.
Evaluate personal proficiency -
Assess your command of Japanese adjectives na and i, identify areas for improvement, and plan targeted practice.
Cheat Sheet
Core Differences between i-Adjectives and Na-Adjectives -
Understanding the difference between i-adj and na-adj is crucial. i-adjectives in Japanese end with "㝄" and conjugate directly, while na-adjectives behave like nouns requiring a 㝪 before a modifying noun. Recognizing these patterns helps you master japanese adjectives na and apply the right form in any sentence (Source: University of Tokyo Japanese Linguistics).
Conjugation Patterns for i-Adjectives -
i adjective forms follow a consistent verb-like pattern: drop the final 㝄 and add 㝝㝪㝄 for the negative or 㝋㝣㝟 for the past affirmative (e.g., 㝊㝄㝗㝄→㝊㝄㝗㝝㝪㝄, 㝊㝄㝗㝋㝣㝟). Practicing this formula from reputable textbooks like Genki I & II (Japan Times) builds confidence in transforming i-adjectives accurately.
Conjugation Patterns for Na-Adjectives -
Na adjectives in Japanese use copula-based conjugations: attach 㝠 or 㝧㝙 for present affirmative, change to 㝘ゃ㝪㝄 for negative, and 㝠㝣㝟 for past (e.g., 㝗㝚㝋㝪→㝗㝚㝋㝘ゃ㝪㝄, 㝗㝚㝋㝠㝣㝟). Referencing Minna no Nihongo (3A Corporation) clarifies how na-adjectives integrate seamlessly in both speech and writing.
Forming Adverbs and Nominal Modifiers -
Transform i-adjectives to adverbs by dropping 㝄 and adding 㝝 (速㝄→速㝝), while na-adjectives become adverbs by adding 㝫 (静㝋→静㝋㝫). A handy mnemonic is "i turns to ku, na needs ni," as supported by Japanese Language Proficiency Test guidelines (Japan Foundation) for quick recall.
Reinforcing Skills with a Japanese Adjective Quiz -
Engage with a japanese adjective quiz featuring real examples to test the difference between i-adj and na-adj in context, boosting retention and speed. Official JLPT practice materials from the Japan Foundation offer targeted exercises that mirror exam conditions and reinforce core concepts.
