A1 · Principiante Capítulo 7

Introducing People and Things

1 Reglas totales
12 ejemplos
5 min
Reglas en este capítulo Práctica rápida

Chapter in 30 Seconds

Connect your world by mastering the fundamental 'A is B' sentence pattern.

  • Define the topic of your sentence using the particle は (wa).
  • Finish sentences politely using the copula です (desu).
  • Introduce yourself and identify objects clearly.
Your first Japanese superpower: Connecting ideas with ease!

Lo que aprenderás

Ready to unlock your first Japanese superpower? In this chapter, you're going to master the absolute foundation of Japanese conversation: the A is B sentence pattern, using は (wa) and です (desu). Don't worry, it's easier and more powerful than it sounds! You'll learn exactly how to connect nouns and declare simple facts, always putting your main topic first and the polite です at the very end. This isn't just about grammar; it's about making your first real connections! Imagine walking into a room and being able to confidently say,

I am [Your Name]!
Or pointing to something new and clearly stating,
This is a camera.
This simple pattern is your key to identifying yourself, introducing others, and describing all the new objects you'll encounter. By the end of this chapter, you won't just understand A は B です; you'll be able to use it to introduce yourself to a new friend in Tokyo, identify items in a shop, or even describe your favorite food. This is your exciting first step into speaking real Japanese! Get ready to build your linguistic world, one sentence at a time.

Learning Objectives

By the end of this chapter, you will be able to:

  1. 1
    By the end you will be able to: State your name, profession, and identify three objects using the 'A は B です' structure.

Guía del capítulo

Overview

Welcome to your first exciting step into Japanese grammar A1! This chapter is your gateway to confidently introducing yourself and the world around you. We're diving deep into the absolute foundation of Japanese conversation: the A is B sentence pattern, using the powerful particles は (wa) and です (desu).
This isn't just a simple grammar rule; it's your very first superpower in Japanese, enabling you to build countless sentences and make real connections.
At the CEFR A1 level, mastering this structure is paramount. It allows you to identify yourself, others, and objects, forming the bedrock for all future learning. Think of it as the linguistic equivalent of learning to walk before you can run – essential, fundamental, and incredibly empowering.
By understanding A は B です, you're not just memorizing words; you're grasping the core logic of Japanese sentence construction.
This crucial pattern will be your constant companion as you navigate new situations, from meeting new friends to identifying items in a shop. It's the key to making your initial interactions smooth and understandable. Get ready to unlock the simplicity and elegance of Japanese sentence basics: A is B (wa/desu) and start building your linguistic world, one clear, polite sentence at a time!

How This Grammar Works

Let's unravel the magic behind the Japanese Basics: The 'A is B' Pattern (A wa B desu). This structure is beautifully straightforward: you state your topic (A), mark it with the particle は (wa), and then declare what it is (B), finishing with the polite copula です (desu). So, A は B です directly translates to A is B.
The particle は (wa) is crucial here. It's pronounced wa even though it's written with the hiragana character for ha (は). This particle marks the *topic* of your sentence.
Whatever comes before は is what you're talking about. For example, in わたし は ジョン です (Watashi wa Jon desu - I am John), わたし (watashi - I) is the topic.
Next, we have です (desu). This word acts like is, am, or are in English, but it carries an added layer of politeness. It always comes at the very end of a sentence when you're stating a fact or identification.
It makes your statement polite and suitable for most everyday conversations in Japan. This is central to Mastering the Basics: The Japanese 'A is B' Sentence Structure (は and です).
Let's look at some examples of this fundamental Basic Japanese Sentence Structure: I am ... (A wa B desu):
* わたし は がくせい です。 (Watashi wa gakusei desu. - I am a student.)
* これ は ほん です。 (Kore wa hon desu. - This is a book.)
* かれ は せんせい です。 (Kare wa sensei desu. - He is a teacher.)
* それ は ペン です。 (Sore wa pen desu. - That is a pen.)
This simple pattern is incredibly versatile, allowing you to introduce yourself, identify objects, and state basic facts.

Common Mistakes

  1. 1✗ Wrong: わたし がくせい です。 (Watashi gakusei desu.)
✓ Correct: わたし は がくせい です。 (Watashi wa gakusei desu.)
*Explanation:* The particle は (wa) is essential to mark the topic of your sentence. Omitting it makes the sentence sound incomplete and grammatically incorrect. Always remember to include は after the topic.
  1. 1✗ Wrong: これ は カメラ。 (Kore wa kamera.)
✓ Correct: これ は カメラ です。 (Kore wa kamera desu.)
*Explanation:* In polite Japanese, sentences that state a fact or identity typically end with です (desu). Forgetting です makes the sentence sound abrupt, informal, or incomplete, especially in general conversation.
  1. 1✗ Wrong: ジョン わたし は です。 (Jon watashi wa desu.)
✓ Correct: わたし は ジョン です。 (Watashi wa Jon desu.)
*Explanation:* Japanese sentence structure, especially for A は B です, follows a strict order: Topic (A) + は + Information (B) + です. Reversing the order of A and B will confuse the meaning.

Real Conversations

A

A

はじめまして。わたし は マイク です。 (Hajimemashite. Watashi wa Maiku desu.)

(Nice to meet you. I am Mike.)

B

B

はじめまして。わたし は エミ です。 (Hajimemashite. Watashi wa Emi desu.)

(Nice to meet you. I am Emi.)

A

A

これ は なん です か。 (Kore wa nan desu ka?)

(What is this?)

B

B

それ は ほん です。 (Sore wa hon desu.)

(That is a book.)

A

A

あの ひと は だれ です か。 (Ano hito wa dare desu ka?)

(Who is that person over there?)

B

B

かれ は せんせい です。 (Kare wa sensei desu.)

(He is a teacher.)

Quick FAQ

Q

Why is は sometimes pronounced wa when it's written as ha?

は is pronounced wa only when it functions as a topic particle. When it's part of a word (like はな (hana - flower)), it's pronounced ha. This is a key phonetic rule in Japanese.

Q

Can I use です with adjectives, or just nouns?

For now, focus on using です with nouns (e.g., がくせい です - I am a student). You'll learn how to use it with adjectives later, as the rules are slightly different for different types of adjectives.

Q

Is です always polite, or are there more formal ways to end a sentence?

です is considered polite and is suitable for most everyday situations. There are indeed more formal and honorific forms, but です is the standard polite ending you'll use at the A1 level.

Q

What happens if I don't use です at the end of a sentence?

Omitting です makes your sentence sound very casual or informal. While acceptable among close friends or family, it's generally considered impolite in most other social contexts, especially with strangers or superiors.

Cultural Context

The A は B です pattern is not just grammatically fundamental; it's culturally significant. The use of です (desu) at the end of sentences is a cornerstone of Japanese politeness, known as *teinei-go* (polite language). Even at the most basic level, employing です shows respect and consideration for your listener.
Native Japanese speakers use this pattern constantly in daily interactions, from introducing themselves to describing objects. It's a standard and expected way to communicate in polite society, making your first impression a good one.

Ejemplos clave (2)

1

{私|わたし} は マイク です。

Yo soy Mike.

Básicos del Japonés: La frase "A es B" (wa/desu)
2

{これ|xxx} は ペン です。

Esto es un bolígrafo.

Básicos del Japonés: La frase "A es B" (wa/desu)

Consejos y trucos (1)

⚠️

Trampa de escritura

Nunca escribas la partícula 'wa' como 'わ'. Siempre debe ser 'は' en gramática: «{私|わたし} は ケン です».
frontend.learn_grammar.from_rule: Básicos del Japonés: La frase "A es B" (wa/desu)

Vocabulario clave (7)

私(わたし) I / me 学生(がくせい) student 先生(せんせい) teacher 本(ほん) book これ this カメラ camera 名前(なまえ) name

Real-World Preview

users

Meeting a New Colleague

Review Summary

  • [Topic] は [Description/Identity] です。

Errores comunes

Beginners often forget the topic particle 'は'. In Japanese, you need that bridge to connect the subject to the description.

Wrong: 私(わたし) たなか です。 (Watashi Tanaka desu.)
Correcto: 私(わたし) は たなか です。 (Watashi wa Tanaka desu.)

While casual Japanese drops 'desu', at the A1 level, omitting it makes the sentence incomplete and impolite.

Wrong: 私(わたし) は たなか。 (Watashi wa Tanaka.)
Correcto: 私(わたし) は たなか です。 (Watashi wa Tanaka desu.)

The character は is usually 'ha', but when it functions as a particle, it MUST be pronounced 'wa'.

Wrong: 私(わたし) は 学生(がくせい) です。 (Pronounced: Watashi ha gakusei desu.)
Correcto: 私(わたし) は 学生(がくせい) です。 (Pronounced: Watashi wa gakusei desu.)

Next Steps

You've just spoken your first real Japanese sentences! This 'A is B' pattern will be your best friend as you continue your journey. Keep practicing, and soon it will feel like second nature.

Mirror Talk: Introduce yourself to the mirror 5 times.

Labeling: Use sticky notes to label 5 items in your room using 'これ は [item] です'.

Continue to: Politeness and Topics

Práctica rápida (2)

Identifica el error en esta frase.

Find and fix the mistake:

{私|わたし} は {元気|げんき} だ。

✓ Correct! ✗ Not quite. Correct answer: {私|わたし} は {元気|げんき} です。
Aunque 'da' es informal, para el nivel A1 usamos la forma cortés です (desu).

frontend.learn_grammar.from_rule: Básicos del Japonés: La frase "A es B" (wa/desu)

Elige la partícula correcta.

{私|わたし} ___ ケン です。

✓ Correct! ✗ Not quite. Correct answer: は
El marcador de tema siempre se escribe como は (ha), aunque se diga 'wa'.

frontend.learn_grammar.from_rule: Básicos del Japonés: La frase "A es B" (wa/desu)

Score: /2

Preguntas frecuentes (2)

Es por pura historia. Antes el sonido cambió, pero la escritura se quedó igual: «{私|わたし} は スペイン{人|じん} です».
Sí, pero ten cuidado. 'da' es muy informal para amigos cercanos: «{これ|xxx} は {本|ほん} だ».
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