Grammar Info

N3 Lesson 1: 2/22

といいIt would be nice if, It would be good if, Should, I hope

Structure

Verb［たら］+ いい
Verb［ば］+ いい
Verb + と + いい


［い］Adjective［た］+ ら+ いい
［い］Adjective［い］+ ければ+ いい
［い］Adjective + と + いい


［な］Adjective + だった + ら+ いい
［な］Adjective + であれば+ いい
［な］Adjective + だ + といい

Details

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About たらいい・といい

When any of the conjunction particles that carry the meaning of 'if' (たら, ば, or と) are paired with the い-Adjective, いい, they will express the desired result of the speaker. These all translate to 'it would be nice if (A)'. However, the speaker's level of certainty about the result being 'good' will change slightly, depending on the particle.

ばいい - Hypothetically, (A) happening would be good. (Lowest strength/certainty)

たらいい - When (A) happens, it will be good. (Medium strength/certainty)

といい - The result of (A) is good. (Strongest/most certain)

To use ば, たら, or と with いい, first add the conjunction particle to the end of any verb, and then attach the い-Adjective, いい.

Antonyms

Related

Examples

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    毎日(まいにち)、好(す)きな番組(ばんぐみ)が見(み)れたらいい。

    It would be nice if I could watch my favorite TV show everyday.

    自由(じゆう)にしたらいいでしょう。

    It would be nice to just do whatever you want, wouldn't it?

    明日(あした)と明後日(あさって)も晴(は)れるといいですね。

    It would be nice if the weather was clear tomorrow and the day after, wouldn't it?

    文句(もんく)を言(い)わないで！どうしたらいいのか教(おし)えてよ。

    Stop complaining! Tell me what would be good to do!

    僕(ぼく)もイルカみたいに上手(じょうず)に泳(およ)げたらいいのに。

    I wish I could swim well like a dolphin. (it would be good if...)

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