Provisional ば
- Form
- Provisional ば
- Level
- N4
- Used for
- Expressing a conditional state (if A, then B) where B is a natural consequence or hypothetical situation.
- Rule
For Ichidan verbs: replace final -ru with -reba. For Godan verbs: change the final -u vowel to -eba. Irregular verbs: する becomes すれば (sureba) and 来る becomes 来れば (koreba).
- Worked examples
行く → 行けば (iku → ikeba), 食べる → 食べれば (taberu → tabereba), 来る → 来れば (kuru → koreba)
- Exceptions
Negative forms use ない → なければ (nakereba). The verb ある has an irregular negative conditional なければ, but affirmative conditional is あれば.