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kono kotae ha tadasii desu ka?

この　答こたえ　は　正ただしい　です　か？kono kotae ha tadasii desu ka?
Is this answer correct?
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Questions & Answers about kono kotae ha tadasii desu ka?

What does この indicate in この答えは正しいですか?
この is a demonstrative adjective meaning this. It always comes directly before the noun it modifies—here, この答え means this answer.
How do you read 答え, and why is it written with a kanji plus kana?
答え is pronounced こたえ. The kanji 答 carries the core meaning “answer,” and the final え is the nominalizing ending that turns the verb 答える (to answer) into the noun 答え.
Why is the particle は used after この答え instead of が?
Particle は marks the topic of the sentence—“as for this answer.” So この答えは正しいですか means “As for this answer, is it correct?” If you used が (この答えが正しいですか？), you’d be marking it as the grammatical subject and often suggesting you’re choosing that answer among others.
What role does です play, and can you omit it?

です is the polite copula equivalent to is. It makes the sentence polite and complete. In casual speech you can drop です:

  • この答えは正しい？
    But in formal or written contexts you keep です to maintain politeness.
What is the function of the question particle か at the end?
か turns a statement into a question. By adding か after です, you change “This answer is correct” into “Is this answer correct?”
How would you ask the same question more casually in spoken Japanese?

In everyday conversation, people often simplify:

  • Drop です: この答えは正しい？
  • Drop は too: この答え正しい？
  • Use a colloquial verb: この答え合ってる？ (“Is this answer right?”)
Why is the word order different from English?
Japanese follows a topic–comment or subject–object–verb structure. The predicate (here 正しいですか) comes at the end. English, by contrast, places the auxiliary is before the subject.
Do native Japanese texts include spaces between words like in the example?
No. The spaces you see are for learning purposes. In real Japanese writing, you’d write この答えは正しいですか？ without spaces.
Could you replace 正しい with another word to say “correct”?
Yes. A common alternative is 合っている (あっている), meaning “to match” or “be correct.” For example, この答え合ってる？ is a casual way to ask “Is this answer right?”
If you hadn’t introduced “answer” before, could you just say これは正しいですか？?
Yes. これは正しいですか？ means “Is this correct?” But without context it’s vague—listeners might not know what this refers to. Using この答え makes it explicit.