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JLPT N4 · Requests, permission & prohibition

たらいいですか (tara ii desu ka)

~たらいいですか — “what should I ~?”

In short · ~たら + いいですか asks for advice on what to do. It is often used with question words such as どこで, 何を, どう.
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Pattern

  • 疑問詞+動詞た形+ら+いいですか Question word + ta-form + ら + いいですか

How to use it

Use it to ask others what you should do. Add a question word to be specific: この漢字は何と読んだらいいですか.

Answering

Replies are often ~たらいいです, ~ばいいです or ~といいです (駅で買ったらいいですよ). Casually: ~たらいい?

Examples

  • どこで切符(きっぷ)を買(か)ったらいいですか。

    Doko de kippu o kattara ii desu ka.

    Where should I buy a ticket?

  • この漢字(かんじ)は何(なん)と読(よ)んだらいいですか。

    Kono kanji wa nan to yondara ii desu ka.

    How should I read this kanji?

  • 母(はは)の誕生日(たんじょうび)に何(なに)をあげたらいいですか。

    Haha no tanjōbi ni nani o agetara ii desu ka.

    What should I give my mother for her birthday?

Common mistakes

  • You are asking about your own action, not telling the other what to do.
  • It is usually paired with a question word.

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