Unit 4 - Section 1: Potential Form Changes

Potential Form (Can/Able To)

Learn to express capability and possibility using the potential form. Essential for discussing what you can and cannot do in Japanese.

Formation Patterns

Ichidan (Group 1) Verbs: Remove る and add られる
  • 見る → 見られる (can see) - miru → mirareru
  • 食べる → 食べられる (can eat) - taberu → taberareru
  • 起きる → 起きられる (can wake up) - okiru → okirareru
Godan (Group 2) Verbs: Change -u to -e + ru
Ending Change Example
→ える 買う → 買える (can buy)
→ ける 書く → 書ける (can write)
→ げる 泳ぐ → 泳げる (can swim)
→ せる 話す → 話せる (can speak)
→ てる 立つ → 立てる (can stand)
→ ねる 死ぬ → 死ねる (can die)
→ べる 飲む → 飲める (can drink)
→ める 読む → 読める (can read)
Irregular Verbs:
  • する → できる (can do) - suru → dekiru
  • 来る → 来られる (can come) - kuru → korareru

Usage Patterns

1. Can do / Able to:

私は日本語が話せます。
[Watashi wa nihongo ga hanaseimasu]
I can speak Japanese.

2. Possibility/Chance:

明日、雨が降れます。
[Ashita, ame ga fureimasu]
It might rain tomorrow.

3. Permission (milder than ~てもいい):

ここで写真が撮れますか。
[Koko de shashin ga toreimasu ka]
Can we take photos here?

Example Sentences

かれさんつの言葉ことばが話せます。
[Kare wa mittsu no kotoba ga hanaseimasu]
Translation: He can speak three languages.
いまおよぐことが出来ません。
[Ima, oyogu koto ga dekimasen]
Translation: I can't swim right now.
まい週、曜日に映画えいがが見られます。
[Mai shuu, doyoubi ni eiga ga miraremasu]
Translation: I can watch movies every Saturday.

Study Tips

Master Potential Form:
  • Key pattern: Ichidan adds られる, Godan changes final -u to -e + ru
  • Objects with が: Use が for the object when expressing ability (not を)
  • できる alternative: ~することができる (to be able to do)
  • Practice conjugation: Drill all verb groups until automatic
  • Listen for it: Very common in conversations about abilities
Study Tips
  • Read each example carefully
  • Practice pronunciation aloud
  • Create your own sentences to reinforce memory
  • Finish the section quiz