This classifier helps determine whether a Japanese verb is transitive or intransitive based on its ending. Follow these rules in order.
- If the verb ends in
su
→ TRANSITIVE- Examples: 壊す (kowasu), 直す (naosu), 返す (kaesu), 増やす (fuyasu)
- This includes ALL verbs ending in
asu
,osu
,esu
, etc. - Intransitive counterpart typically ends in
reru
,ru
, oreru
- If the verb ends in
reru
→ INTRANSITIVE- Examples: 壊れる (kowareru), 忘れる (wasureru), 生まれる (umareru)