Topic Marker (は)
〜は
The particle は (wa) marks the topic of the sentence — the thing being talked about.
Pattern
Noun + は + Predicate
Explanation
The particle は is one of the most fundamental particles in Japanese. It marks the topic of the sentence, telling the listener what you are going to talk about. While it is written with the hiragana は (ha), it is pronounced 'wa' when used as a particle.
は sets the stage for what follows. In 'わたしは学生です' (I am a student), は tells the listener that the sentence is about 'わたし' (I). It is different from the subject marker が, which identifies who or what performs an action. Think of は as saying 'As for X...' — it frames the conversation.
は can also be used for contrast: 'コーヒーは飲みます。でもお茶は飲みません。' (I drink coffee, but I don't drink tea). The contrastive use implies there is something else being compared.
Examples
私は学生です。
わたしはがくせいです。
Watashi wa gakusei desu.
I am a student.
今日は暑いです。
きょうはあついです。
Kyou wa atsui desu.
Today is hot.
この本は面白いです。
このほんはおもしろいです。
Kono hon wa omoshiroi desu.
This book is interesting.
田中さんは先生です。
たなかさんはせんせいです。
Tanaka-san wa sensei desu.
Mr. Tanaka is a teacher.
Common Mistakes
Wrong
私が学生です。
Correct
私は学生です。
Use は for general statements about yourself. が is used when identifying yourself specifically (e.g., answering 'Who is the student?').
Wrong
私わ学生です。
Correct
私は学生です。
The topic particle is written with は (ha) even though it is pronounced 'wa'. Do not write it as わ.
Related Grammar Points
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