A2 Expressions & Patterns 1 min read Fácil

Expressing Desire: たい (tai) — "I want to..."

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Practícalo

Grammar Rule in 30 Seconds

Use the 'tai' suffix attached to the stem of a verb to express your personal desires.

  • Drop the 'masu' from the polite verb form: {食べます|たべます} → {食べ|たべ} + たい = {食べたい|たべたい}.
  • The object of your desire usually takes the particle 'ga' instead of 'o': {水が飲みたい|みずがのみたい}.
  • To make it negative, change 'tai' to 'taku nai': {行きたくない|いきたくない} (I don't want to go).
Verb Stem + たい (tai) = I want to [Verb]

Overview

The たい (tai) form expresses the speaker's desire to do something — I want to... It is formed by taking the masu-stem of a verb and adding たい. 食べます → 食べたい (want to eat), 行きます → 行きたい (want to go), 飲みます → 飲みたい (want to drink), します → したい (want to do). たい conjugates like an い-adjective: negative = たくない (don't want to), past = たかった (wanted to), past negative = たくなかった (didn't want to).
An important cultural note: たい is used primarily for the speaker's own desires (first person). Using it for other people's wants sounds presumptuous in Japanese — you cannot directly state what another person wants. For third person, use たがっている (appears to want): 彼は行きたがっている (He appears to want to go).
In questions, たい is fine: 何を食べたいですか (What do you want to eat?). The object particle can be either を or が with たい — both are correct: 寿司を食べたい and 寿司が食べたい. Using が emphasizes the desire, while を is more neutral.
Add です for politeness: 日本に行きたいです (I want to go to Japan).

Tai-form Conjugation

Form Structure Example (Nomu)
Affirmative
Stem + tai
Nomitai
Negative
Stem + taku nai
Nomitaku nai
Past
Stem + takatta
Nomitakatta
Past Negative
Stem + takunakatta
Nomitakunakatta
Polite
Stem + tai desu
Nomitai desu
Polite Negative
Stem + taku nai desu
Nomitaku nai desu

Meanings

The 'tai' form is used to express the speaker's own desires or wishes regarding an action.

1

Personal Desire

Expressing what the speaker wants to do.

“{寿司が食べたい|すしがたべたい}”

“{映画が見たい|えいががみたい}”

2

Negative Desire

Expressing what the speaker does not want to do.

“{働きたくない|はたらきたくない}”

“{勉強したくない|べんきょうしたくない}”

3

Interrogative

Asking if someone wants to do something.

“{何が食べたいですか|なにがたべたいですか}”

“{行きたいですか|いきたいですか}”

Reference Table

Reference table for Expressing Desire: たい (tai) — "I want to..."
Form Structure Example
Affirmative
Stem + tai
{食べたい|たべたい}
Negative
Stem + taku nai
{食べたくない|たべたくない}
Past
Stem + takatta
{食べたかった|たべたかった}
Past Negative
Stem + takunakatta
{食べたくなかった|たべたくなかった}
Polite
Stem + tai desu
{食べたいです|たべたいです}
Question
Stem + tai desu ka
{食べたいですか|たべたいですか}

Espectro de formalidad

Formal
{食べたいです|たべたいです}

{食べたいです|たべたいです} (General)

Neutral
{食べたい|たべたい}

{食べたい|たべたい} (General)

Informal
{食べたい|たべたい}

{食べたい|たべたい} (General)

Jerga
{食いたい|くいたい}

{食いたい|くいたい} (General)

The Desire Web

Tai-form

Action

  • {食べる|たべたい} want to eat

Negative

  • {行きたくない|いきたくない} don't want to go
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Ejemplos por nivel

1

{水が飲みたいです|みずがのみたいです}

I want to drink water.

2

{寝たいです|ねたいです}

I want to sleep.

3

{行きたいです|いきたいです}

I want to go.

4

{食べたいです|たべたいです}

I want to eat.

1

{宿題をしたくないです|しゅくだいをしたくないです}

I don't want to do homework.

2

{何が食べたいですか|なにがたべたいですか}

What do you want to eat?

3

{昨日、映画が見たかったです|きのう、えいががみたかったです}

I wanted to see a movie yesterday.

4

{あまり話したくないです|あまりはなしたくないです}

I don't really want to talk.

1

{日本で働きたいと思っています|にほんではたらきたいとおもっています}

I am thinking about wanting to work in Japan.

2

{もっと日本語を勉強したかったのですが|もっとにほんごをべんきょうしたかったのですが}

I wanted to study more Japanese, but...

3

{そんなことは聞きたくありません|そんなことはききたくありません}

I don't want to hear such things.

4

{どこか静かな場所へ行きたいですね|どこかしずかなばしょへいきたいですね}

I want to go somewhere quiet, don't I?

1

{彼が何をしたがっているのか分かりません|かれがなにをしたかっているのかわかりません}

I don't know what he wants to do.

2

{もし時間があれば、旅行に行きたいです|もしじかんがあれば、りょこうにいきたいです}

If I have time, I want to go on a trip.

3

{そんな無責任なことは言いたくありません|そんなむせきにんなことはいいたくありません}

I don't want to say such irresponsible things.

4

{もっと早く帰りたいというのが本音です|もっとはやくかえりたいというのがほんねです}

The truth is, I want to go home earlier.

1

{あえて言いたくないこともあります|あえていいたくないこともあります}

There are things I dare not say.

2

{彼がそうしたがる理由は理解できます|かれがそうしたがるりゆうはりかいできます}

I can understand the reason he wants to do that.

3

{何が何でも成功したいという強い意志を感じます|なにがなんでもせいこうしたいというつよいいしをかんじます}

I feel a strong will to succeed at any cost.

4

{そう言いたくなる気持ちも分かります|そういいたくなるきもちもわかります}

I understand the feeling of wanting to say that.

1

{彼が何を望もうと、私は行きたくない|かれがなにをのぞもうと、わたしはいきたくない}

No matter what he desires, I do not want to go.

2

{そうしたくとも、できない事情があります|そうしたくとも、できないじじょうがあります}

Even if I want to do that, there are circumstances that prevent it.

3

{誰しもが平穏に暮らしたいと願うものです|だれしもがへいおんにくらしたいとねがうものです}

Everyone wishes to live in peace.

4

{あえてそうしたかったわけではありません|あえてそうしたかったわけではありません}

It is not that I specifically wanted to do that.

Fácil de confundir

Expressing Desire: たい (tai) — "I want to..." vs Tai vs Hoshii

Tai is for verbs, Hoshii is for nouns.

Expressing Desire: たい (tai) — "I want to..." vs Tai vs Tagaru

Tai is for me, Tagaru is for others.

Expressing Desire: たい (tai) — "I want to..." vs Tai vs Sou

Tai is desire, Sou is appearance.

Errores comunes

✗

Tanaka-san ga tabetai

✓

Tanaka-san wa tabetagatte iru

Tai is for the speaker only.
✗

Sushi o tabetai

✓

Sushi ga tabetai

Ga is preferred for the object of desire.
✗

Taberu tai

✓

Tabetai

Must use the stem, not the dictionary form.
✗

Tabetai desu ka?

✓

Tabetai desu ka?

This is actually correct, but don't use it for yourself in a question.
✗

Tabetakunai desu

✓

Tabetakunai desu

This is correct, but ensure you don't drop the 'i'.
✗

Ikitai deshita

✓

Ikitakatta desu

Tai-form conjugates as an i-adjective.
✗

Tabetai ga

✓

Tabetai kedo

Use 'kedo' for 'but' in casual speech.
✗

Kare wa tabetai to omou

✓

Kare wa tabetagatte iru to omou

Use 'tagaru' for others.
✗

Tabetai koto ga aru

✓

Tabetai mono ga aru

Use 'mono' for things.
✗

Tabetai desu ne

✓

Tabetai desu ne

Correct, but be careful with context.
✗

Tabetai to iu

✓

Tabetagaru to iu

Reporting others' desires.
✗

Tabetai no desu

✓

Tabetai no desu

This is correct, but ensure the nuance is right.
✗

Tabetai to omowareru

✓

Tabetagatte iru to omowareru

Passive reporting.

Patrones de oraciones

___ ga tabetai desu.

___ ni ikitai desu.

___ ga shitakunai desu.

___ ga takatta desu.

Real World Usage

Ordering food constant

Ramen ga tabetai desu.

Texting friends very common

Ikitai!

Job interview common

Koko de hatarakitai desu.

Travel common

Koko e ikitai desu.

Social media common

Tabetai~

Food delivery app common

Pizza ga tabetai.

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💡

Use Ga

Always use 'ga' for the object of desire to sound more natural.
⚠️

Don't use for others

Using 'tai' for others is rude. Use 'tagaru' instead.
🎯

Polite form

Add 'desu' to make it polite.
💬

Be indirect

In Japan, sometimes it's better to be indirect.

Smart Tips

Always check if it's an action or an object.

Kuruma tai. → Kuruma ga hoshii.

Stop and think: is this me or someone else?

Kare wa ikitai. → Kare wa ikitagatte iru.

Default to 'ga' for desire.

Sushi o tabetai. → Sushi ga tabetai.

Don't forget 'desu'.

Tabetai. → Tabetai desu.

Pronunciación

ta-i

Tai-form

The 'tai' is pronounced clearly. In casual speech, the 'i' is sometimes dropped.

Question

Tabetai desu ka? ↑

Rising intonation for questions.

Memorízalo

Mnemotecnia

Think of 'tai' as 'tie'. I want to TIE my shoes, so I use the TAI form.

Asociación visual

Imagine yourself holding a giant sign that says 'TAI' every time you want something. It's a visual reminder of your personal desire.

Rhyme

When you want to do a thing, add TAI and start to sing.

Story

I was hungry. I saw a sushi shop. I said 'Sushi ga tabetai!' (I want to eat sushi). My friend said 'I don't want to eat' (Tabetakunai). We went home.

Word Web

{食べたい|たべたい}{行きたい|いきたい}{寝たい|ねたい}{見たい|みたい}{したい|したい}{話したい|はなしたい}

Desafío

Write down 5 things you want to do today using the 'tai' form.

Notas culturales

Directly stating desires can be seen as selfish. Often, people use indirect language.

The 'tai' form evolved from the classical Japanese desiderative suffix '-tashi'.

Inicios de conversación

“

What do you want to eat?

“

Do you want to go to the park?

“

What do you want to do this weekend?

“

What is something you have always wanted to do?

Temas para diario

Write about your favorite food.
Describe your dream vacation.
Write about a goal you have.
Reflect on a past desire.

Errores comunes

Incorrect

Correcto

Incorrect

Correcto

Incorrect

Correcto

Incorrect

Correcto

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Test Yourself

Fill in the blank.

Sushi ___ tabetai.

✓ Correct! ✗ Not quite. Correct answer: b
Ga is the object marker for desire.
Choose the correct form. Opción múltiple

What is the negative of 'tabetai'?

✓ Correct! ✗ Not quite. Correct answer: b
Negative is takunai.
Fix the sentence. Error Correction

Find and fix the mistake:

Tanaka-san ga ikitai.

✓ Correct! ✗ Not quite. Correct answer: b
Use tagaru for others.
Change to past tense. Sentence Transformation

Ikitai.

✓ Correct! ✗ Not quite. Correct answer: a
Past of tai is takatta.
Match the meaning. Match Pairs

Match each item on the left with its pair on the right:

✓ Correct! ✗ Not quite. Correct answer: d
All are correct.
Complete the dialogue. Dialogue Completion

A: Nani ga tabetai? B: ___.

✓ Correct! ✗ Not quite. Correct answer: a
Use tai form.
Order the words. Sentence Building

ga / tabetai / sushi / watashi / wa

✓ Correct! ✗ Not quite. Correct answer: a
Correct word order.
Is this true? True False Rule

Tai form is used for others.

✓ Correct! ✗ Not quite. Correct answer: b
Tai is for the speaker.

Score: /8

Ejercicios de practica

8 exercises
Fill in the blank.

Sushi ___ tabetai.

✓ Correct! ✗ Not quite. Correct answer: b
Ga is the object marker for desire.
Choose the correct form. Opción múltiple

What is the negative of 'tabetai'?

✓ Correct! ✗ Not quite. Correct answer: b
Negative is takunai.
Fix the sentence. Error Correction

Find and fix the mistake:

Tanaka-san ga ikitai.

✓ Correct! ✗ Not quite. Correct answer: b
Use tagaru for others.
Change to past tense. Sentence Transformation

Ikitai.

✓ Correct! ✗ Not quite. Correct answer: a
Past of tai is takatta.
Match the meaning. Match Pairs

Match the verb.

✓ Correct! ✗ Not quite. Correct answer: d
All are correct.
Complete the dialogue. Dialogue Completion

A: Nani ga tabetai? B: ___.

✓ Correct! ✗ Not quite. Correct answer: a
Use tai form.
Order the words. Sentence Building

ga / tabetai / sushi / watashi / wa

✓ Correct! ✗ Not quite. Correct answer: a
Correct word order.
Is this true? True False Rule

Tai form is used for others.

✓ Correct! ✗ Not quite. Correct answer: b
Tai is for the speaker.

Score: /8

Preguntas frecuentes (8)

Yes, in casual speech it is common, but 'ga' is safer.

Use 'hoshii'. 'Kuruma ga hoshii'.

It is neutral. Add 'desu' for formal.

No, use 'tagaru'.

It conjugates like an i-adjective.

Use 'taku nai'.

Yes, 'Tabetai desu ka?'

Takatta.

Scaffolded Practice

1

1

2

2

3

3

4

4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

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In Other Languages

Spanish high

Querer + infinitive

Japanese uses a suffix, Spanish uses a separate verb.

French high

Vouloir + infinitive

Japanese is a suffix conjugation.

German high

Möchten + infinitive

Japanese is a suffix.

Arabic moderate

Uridu an + verb

Arabic requires a conjunction.

Chinese high

Xiang + verb

Chinese has no conjugation.

Japanese n/a

Tai

It is the standard.

Learning Path

Prerequisites

Previous
Polite Requests: てください (te kudasai) — "Please do..."
Next
Expressing Ability: ことができる (koto ga dekiru) — "Can do..."

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