Unit 4 - Section 3: Volitional Form Changes
Conditional Sentence (If...)
Learn to express conditional statements in Japanese. Essential for expressing hypothetical situations, requirements, and cause-effect relationships.
The ~たら Form (If / When)
Formation: Take the past tense and replace だ with ら
verb た → たら (if)
- 来た → 来たら (if came) - kita → kitara
- 飲んだ → 飲んだら (if drank) - nonda → nondara
- 読んだ → 読んだら (if read) - yonda → yondara
- 食べた → 食べたら (if ate) - tabeta → tabetara
~たら Uses
1. Real Conditional / When:
Likely to happen or will happen
雨が降ったら、家に居ます。
[Ame ga futtara, ie ni imasu]
Translation: If it rains, I'll stay home.
2. Hypothetical / Suppose:
Imagining a situation
もし宝が見つかったら、何をしますか。
[Moshi takara ga mitsukattara, nani wo shimasu ka]
Translation: If you found treasure, what would you do?
Other Conditional Forms
ば Form (If): More formal conditional
Conjugation: adjective/verb stem + ば
- 雨が降れば、家に居ます。 - "If it rains, I'll stay home." (formal/written)
- 来れば、大喜びします。 - "If you come, I'll be delighted."
~なら (If / In case that): Topic conditional
Often used for "if that's the case / if you say so"
- 忙しいなら、来なくてもいい。 - "If you're busy, you don't have to come."
- そうなら、手伝いましょう。 - "If that's the case, I'll help."
Conditional Comparison
| Form | Example | Usage |
|---|---|---|
| ~たら | 来たら呼ぶ | Most common; realistic |
| ~ば | 来れば呼ぶ | Formal; written language |
| ~なら | 来るなら呼ぶ | Topic condition; "if you're coming" |
Example Sentences
試験に合かったら、祝いに行きましょう。
[Shiken ni goukattara, iwai ni ikimashō]
Translation: If you pass the exam, let's go celebrate.
時間があったら、公園に散歩しに行きます。
[Jikan ga attara, kouen ni sanpo shi ni ikimasu]
Translation: If I have time, I'll go for a walk in the park.
風が吹いたら、傘を持って行こう。
[Kaze ga fuitara, kasa wo motte ikou]
Translation: If it's windy, let's take an umbrella.
Study Tips
Master Conditionals:
- Most useful: ~たら is most common in casual/spoken Japanese
- Formation: Take past tense and replace だ with ら
- Common phrase: ~たら、~ます (if...then...) is very frequent pattern
- Practice scenarios: Create if-then sentences about daily situations
- Listen for it: Conditional expressions appear constantly in conversations
Course Navigation
Study Tips
- Read each example carefully
- Practice pronunciation aloud
- Create your own sentences to reinforce memory
- Finish the section quiz