# たらどう: why not try; how about

> Learn how to use たらどう, a JLPT N4 Japanese grammar point meaning why not try; how about, with structure, nuance, examples, mistakes, and comparisons.

JLPT level: N4 · Updated: 2026-05-18 · Canonical: https://hane-app.com/blog/n4-tara-dou/

**たらどう** means **why not try; how about**. It is a **JLPT N4** Japanese grammar pattern used to express this idea in natural Japanese.

This English meaning is written independently from the source list so it answers the learner question directly: what does **たらどう** mean and when should you use it?

## What does たらどう mean?

Use **たらどう** when you want to express **why not try; how about** in a Japanese sentence.

Natural translations include:
- why not try; how about
- why not try
- how about

## How to form たらどう

Verb た-form + らどう

Examples of the pattern:
- Verb た-form + らどう
- たらどう
- related form: ほうがいい

## When is たらどう used?

Use **たらどう** in situations like:
- reading or writing JLPT N4-level sentences
- making a sentence more precise than a basic N5 pattern
- recognizing natural grammar in conversation or short passages

Tone and register:
- usually neutral unless the pattern itself is casual, humble, honorific, or written
- common in JLPT N4 grammar study and everyday examples

## たらどう example sentences

- 先生に聞いたらどうですか。 — Why not ask the teacher?
- 少し休んだらどうですか。 — How about resting a little?
- この本を読んだらどうですか。 — Why not read this book?
- 早く寝たらどう？ — Why don't you go to bed early?
- 友達に相談したらどうですか。 — How about talking to a friend?

## Nuance of たらどう

The key nuance is **why not try; how about in context**, not a word-for-word English replacement.

This matters because **たらどう** often changes the relationship between actions, people, time, or evidence in the sentence. Read the whole sentence before choosing the English translation.

## たらどう vs ほうがいい

Both patterns can appear in related sentences, but they do different jobs.

**たらどう**:
- is the target JLPT N4 pattern in this lesson
- focuses on **why not try; how about**

**ほうがいい**:
- is useful for comparison because learners often confuse nearby forms
- may change the tone, evidence, direction, or relationship in the sentence

Quick contrast examples:
- Target pattern: 先生に聞いたらどうですか。 — Why not ask the teacher?
- Related pattern with **ほうがいい**: compare what changes in evidence, timing, direction, or politeness.

## Common mistakes with たらどう

Watch out for these mistakes:
- Copying a dictionary gloss without checking the sentence context
- Using the wrong verb, adjective, or noun form
- Confusing **たらどう** with **ほうがいい** because the English can sound similar

## Is たらどう on the JLPT?

Yes. **たらどう** is connected to **JLPT N4** grammar in this blog.

That means learners should be able to:
- recognize it in reading
- understand its nuance in context
- use it in simple original sentences

## Practice questions for たらどう

Try making your own sentences with these prompts:
- Write one short sentence using the basic structure.
- Replace the subject, time, or object and keep the same grammar point.
- Compare your sentence with the related pattern above.

## Learning path for たらどう

Use **たらどう** as part of your **JLPT N4** obligation, request, and command grammar toolkit. Review the level of pressure in **たらどう**: necessity, prohibition, command, request, or advice. Then compare it with softer request forms and stronger obligation forms so your sentence does not sound too casual or too forceful.

A good review order is: first make one short sentence with **たらどう**, then compare it with [なさい](/blog/n4-nasai/), and finally add [お～ください](/blog/n4-o-kudasai/) or [ていただけませんか](/blog/n4-te-itadakemasen-ka/) to see how the nuance changes.

For practice, write one sentence that uses **たらどう** in its most literal meaning, one sentence that changes the subject or time expression, and one sentence that contrasts it with one of the related patterns below.

## Related grammar to review next

- [なさい](/blog/n4-nasai/) — shows a nearby level of obligation, command, advice, or request strength.
- [お～ください](/blog/n4-o-kudasai/) — shows a nearby level of obligation, command, advice, or request strength.
- [ていただけませんか](/blog/n4-te-itadakemasen-ka/) — shows a nearby level of obligation, command, advice, or request strength.
- [たらいいですか](/blog/n4-tara-ii-desu-ka/) — shows a nearby level of obligation, command, advice, or request strength.

## Learn たらどう with Hane

If you want to review **たらどう** together with the related patterns above, Hane helps you practice Japanese in short, focused sessions.

Browse more lessons here:
- [All grammar lessons](/blog/)
- [JLPT N4 grammar lessons](/blog/n4/)