〜ばよかった
should have ~
Use this pattern to shape a complete, natural Japanese thought.
Remember it
Connect the meaning to its sound: say “〜ばよかった” aloud once.
Understand
Build the pattern
Sentence formula
How it works
「〜ばよかった」 means "should have ~". Structure: Verb ba-form + よかった. This is a JLPT N3 pattern — the examples below slot different everyday and workplace words into the same structure so you can see how it behaves. Learn the structure, then swap in your own words.
When to use it
Read the example aloud, then replace one detail with something from your own life.
Tone: Neutral
A general pattern; let the sentence ending and situation set the politeness level.
Use
Hear it in real life
Everyday life
Example 1もっと早く修理を確認すればよかったです。
もっと はやく しゅうり を かくにん すれば よかった です。
motto hayaku shuuri o kakunin sureba yokatta desu.
I should have checked the repair earlier.
At work
Example 2もっと早く資料を確認すればよかったです。
もっと はやく しりょう を かくにん すれば よかった です。
motto hayaku shiryou o kakunin sureba yokatta desu.
I should have checked the materials earlier.
Everyday life
Example 3もっと早く機械を確認すればよかったです。
もっと はやく きかい を かくにん すれば よかった です。
motto hayaku kikai o kakunin sureba yokatta desu.
I should have checked the machine earlier.
Everyday life
Example 4もっと早く材料を確認すればよかったです。
もっと はやく ざいりょう を かくにん すれば よかった です。
motto hayaku zairyou o kakunin sureba yokatta desu.
I should have checked the ingredients earlier.
Make it yours
Choose one example. Replace one person, place, object, or time with a detail from your life, then say the new sentence aloud.
Recall
Test your memory
Recall practice
Can you say it?
1 of 4
Read the situation, look away from the answer, and say the Japanese aloud.
Your situation
I should have checked the repair earlier.
The answer is hidden. Try to use 〜ばよかった.
Remember tomorrow
Save this pattern as a flashcard
Review the meaning and formula later so today’s lesson moves into long-term memory.