たらどう

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, and finally add お～ください or ていただけませんか 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 — shows a nearby level of obligation, command, advice, or request strength.
• お～ください — shows a nearby level of obligation, command, advice, or request strength.
• ていただけませんか — shows a nearby level of obligation, command, advice, or request strength.
• たらいいですか — 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:

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