๐Ÿ‡ฏ๐Ÿ‡ต ja-learning

Developing fluency

1. Vocabulary List

JapaneseRomajiEnglish
ๆ˜ ็”ป๏ผˆใˆใ„ใŒ๏ผ‰eigaFilm / Movie
ใใ†ใ˜ใ™ใ‚‹souji suruTo clean
ใ‚ทใƒฃใƒฏใƒผใ‚’ใ‚ใณใ‚‹shawaa wo abiruTo take a shower
ใƒฉใ‚ธใ‚ชrajioRadio
ไธ€ๆ—ฅไธญ๏ผˆใ„ใกใซใกใ˜ใ‚…ใ†๏ผ‰ichinichijuuAll day long
ๅญฆๆ ก๏ผˆใŒใฃใ“ใ†๏ผ‰gakkouSchool
ใจใtokiWhen / Time of

2. Grammar & Sentences

ใชใŒใ‚‰ โ€” Extended Practice

Reinforcement of the core pattern: Verb 1 (masu stem) + ใชใŒใ‚‰ + Verb 2

  • ใƒใƒƒใƒ—ใ‚ณใƒผใƒณใ‚’้ฃŸในใชใŒใ‚‰ๆ˜ ็”ปใ‚’่ฆ‹ใพใ™ใ€‚(Poppukoon wo tabenagara eiga wo mimasu.) โ€” I eat popcorn while watching a film.
  • ใพใ‚“ใŒใ‚’่ชญใฟใชใŒใ‚‰ใ‚ณใƒผใƒ’ใƒผใ‚’้ฃฒใฟใพใ™ใ€‚(Manga wo yominagara koohii wo nomimasu.) โ€” While reading manga, she drinks coffee.
  • ๆญŒใ„ใชใŒใ‚‰ใใ†ใ˜ใ—ใพใ™ใ€‚(Utainagara souji shimasu.) โ€” We sing while we are cleaning.
  • ใ‚ทใƒฃใƒฏใƒผใ‚’ใ‚ใณใชใŒใ‚‰ๆญŒใ†ใฎใŒๅฅฝใใงใ™ใ€‚(Shawaa wo abinagara utau no ga suki desu.) โ€” I like singing while having a shower.
  • ใใฎใ†ใฏไธ€ๆ—ฅไธญใƒฉใ‚ธใ‚ชใ‚’่žใใชใŒใ‚‰ๅ‹‰ๅผทใ—ใฆใ„ใพใ—ใŸใ€‚(Kinou wa ichinichijuu rajio wo kikinagara benkyou shite imashita.) โ€” I was studying while listening to the radio all day yesterday.

ใชใŒใ‚‰ with ใจใ โ€” Contextual Simultaneous Action

ใจใ (when) can set up the scenario, with ใชใŒใ‚‰ describing the two actions within it.

  • ๅญฆๆ กใซ่กŒใใจใใ€้Ÿณๆฅฝใ‚’่žใใชใŒใ‚‰ๆญฉใใพใ™ใ€‚(Gakkou ni iku toki, ongaku wo kikinagara arukimasu.) โ€” When I go to school, I walk while listening to music.

ใชใŒใ‚‰ in Past Tense

ใชใŒใ‚‰ itself does not change โ€” only the final verb inflects for tense.

  • ใใฎใ†ใƒ†ใƒฌใƒ“ใ‚’่ฆ‹ใชใŒใ‚‰ใ—ใ‚…ใใ ใ„ใ‚’ใ—ใพใ—ใŸใ€‚(Kinou terebi wo minagara shukudai wo shimashita.) โ€” Yesterday I did my homework while watching TV.
  • ใ—ใ‚…ใใ ใ„ใฏใ—ใพใ—ใŸใ‹๏ผŸใƒผใฏใ„ใ€ใใฎใ†ใƒ†ใƒฌใƒ“ใ‚’่ฆ‹ใชใŒใ‚‰ใ—ใ‚…ใใ ใ„ใ‚’ใ—ใพใ—ใŸใ€‚(Shukudai wa shimashita ka? โ€” Hai, kinou terebi wo minagara shukudai wo shimashita.) โ€” Did you do your homework? โ€” Yes, I did my homework yesterday while watching TV.

Stem Formation Reminder

DictionaryMasu formMasu stem (before ใชใŒใ‚‰)
ๆญŒใ†ๆญŒใ„ใพใ™ๆญŒใ„
่ชญใ‚€่ชญใฟใพใ™่ชญใฟ
่žใ่žใใพใ™่žใ
ใ‚ใณใ‚‹ใ‚ใณใพใ™ใ‚ใณ

3. Learning Context

  • Tense lives in Verb 2: ใชใŒใ‚‰ is invariant โ€” past/present/progressive is expressed only by the ending of Verb 2.
  • Subject omission: When the subject is clear from context, Japanese drops it โ€” ใ‚ทใƒฃใƒฏใƒผใ‚’ใ‚ใณใชใŒใ‚‰ๆญŒใ†ใฎใŒๅฅฝใใงใ™ has no stated subject.
  • ใฎใŒๅฅฝใใงใ™ pattern: Verb (plain) + ใฎใŒๅฅฝใใงใ™ = "I like doing ~" โ€” a natural combination with ใชใŒใ‚‰.

4. Progress Tracker

FieldDetail
Current LevelIntermediate B1
Chapter / TopicChapter 3: Experiences (ใชใŒใ‚‰ fluency)
Completion~28% of Chapter 3
Latest Performance100% score (+10 Stars)