Feb 2026

What's new in Feb 2026!

Reasons & Causes

〜て (Casual reason)

Learn how to use Japanese て-form to express casual reasons. Master natural, conversational ways to explain why.

What is て as a Reason?

The て-form can express casual reasons or causes, similar to "because" or "and then." It's very natural in spoken Japanese and softer than から.

お腹が空いて、コンビニに行った
"I was hungry, (so) I went to the convenience store"

雨が降って、試合が中止になった
"It rained, (so) the match was cancelled"

嬉しくて、泣いちゃった
"I was (so) happy, I cried"

Formation

Uses standard て-form

Verb/Adjectiveて-formExample
食べる食べて食べて、寝た
行く行って行って、見た
高い高くて高くて、買えない
便利便利で便利で、好き
学生学生で学生で、忙しい

Same conjugation as regular て-form

Verbs: Standard て-form conjugation
い-adjectives: Remove い + くて
な-adjectives/Nouns: + で

Basic Usage

Expressing cause and effect

疲れて、眠くなった
"I got tired, (so) I became sleepy"

道が混んでて、遅れた
"The road was crowded, (so) I was late"

忙しくて、時間がない
"I'm busy, (so) I don't have time"

Natural consequences

雨が降って、中止になった
"It rained, (so) it was cancelled"

安くて、たくさん買った
"It was cheap, (so) I bought a lot"

面白くて、最後まで読んだ
"It was interesting, (so) I read to the end"

て-form vs から/ので

て-form - Softest, most natural

嬉しくて、泣いちゃった
"I was happy, (so) I cried"

Casual, conversational
Natural flow

から - Clear causation

嬉しかったから、泣いた
"Because I was happy, I cried"

More explicit reason

ので - Formal/objective

嬉しかったので、涙が出ました
"Because I was happy, tears came out"

Polite, formal

Common Patterns

With emotions

嬉しくて、泣いた
"(I was so) happy, I cried"

悲しくて、何もできなかった
"(I was so) sad, I couldn't do anything"

怖くて、見られない
"(It's so) scary, I can't watch"

驚いて、声も出なかった
"(I was so) surprised, I couldn't even speak"

With states and conditions

疲れて、眠い
"(I'm) tired, (so) sleepy"

お腹が空いて、力が出ない
"(I'm) hungry, (so) I have no energy"

忙しくて、休めない
"(I'm) busy, (so) I can't rest"

With actions leading to results

勉強して、合格した
"(I) studied, (so/and) I passed"

走って、間に合った
"(I) ran, (so/and) I made it in time"

頑張って、できるようになった
"(I) tried hard, (so/and) became able to do it"

Characteristics

More natural than から in casual speech

More natural: 高くて、買えない
"It's expensive, (so) I can't buy it"

Also correct: 高いから、買えない
"Because it's expensive, I can't buy it"

て sounds more conversational

Shows direct connection

雨が降って、濡れた
"It rained, (and/so) I got wet"

Direct cause → effect
Immediate connection

Cannot be used with commands

Wrong: 危なくて、気をつけて ❌
Right: 危ないから、気をつけて ✓
"It's dangerous, so be careful"

Use から/ので for commands/requests

Common Conversations

Example 1: Explaining Situation

A: どうしたの？顔色悪いよ
   "What's wrong? You look pale"

B: 昨日あまり寝られなくて、疲れてるんだ
   "I couldn't sleep much yesterday, so I'm tired"

A: 大丈夫？
   "Are you okay?"

Example 2: Shopping Story

A: そのバッグ、いいね
   "That bag is nice"

B: うん、デザインが気に入って、買っちゃった
   "Yeah, I liked the design, so I bought it"

A: いくらだった？
   "How much was it?"

Example 3: Daily Life

A: 今日の試合、中止だって
   "Today's game is cancelled"

B: え、なんで？
   "Huh, why?"

A: 雨が降って、グラウンドが使えないんだって
   "It rained, so the field can't be used"

Common Mistakes

Mistake 1: Using with commands

Wrong: 寒くて、窓を閉めて ❌
Right: 寒いから、窓を閉めて ✓
"It's cold, so close the window"

Cannot use て with commands!

Mistake 2: Too casual in formal situations

Too casual: 体調が悪くて、休みます ⚠️
Better: 体調が悪いので、休みます ✓
"I'm not feeling well, so I'll rest"

Use ので in formal situations

Mistake 3: Wrong て-form

Wrong: 高いて ❌
Right: 高くて ✓
"Expensive, so..."

い-adjectives: 高い → 高くて

Expressing Degree

"So... that"

美味しくて、毎日食べてる
"It's (so) delicious, I eat it every day"

面白くて、やめられない
"It's (so) interesting, I can't stop"

難しくて、分からない
"It's (so) difficult, I don't understand"

Multiple て-forms

Listing multiple reasons

安くて、美味しくて、近い
"It's cheap, delicious, and close"

親切で、面白くて、頭がいい
"(He's) kind, interesting, and smart"

Connecting multiple qualities

Shortened Forms in Casual Speech

Dropping particles

Very casual: お腹空いて、コンビニ行った
Standard: お腹が空いて、コンビニに行った
"I was hungry, (so) I went to the convenience store"

Natural in conversation

Using って instead of て

Casual: 高くって、買えない
Standard: 高くて、買えない
"It's expensive, (so) I can't buy it"

って adds emphasis

When NOT to Use て

With volitional/intentional actions as reasons

Unnatural: 日本語を勉強して、日本に来た ⚠️
Better: 日本語を勉強するために、日本に来た ✓
"I came to Japan to study Japanese"

Use ために for purpose

With requests/suggestions following

Unnatural: 疲れて、休んだらどう？ ⚠️
Better: 疲れてるから、休んだらどう？ ✓
"You're tired, so how about resting?"

Use から for suggestions

With Different Tenses

Present state → Result

寒くて、震えてる
"It's cold, (so) I'm shivering"

高くて、手が出ない
"It's expensive, (so) I can't afford it"

Past event → Result

雨が降って、試合が中止になった
"It rained, (so) the match was cancelled"

勉強して、合格した
"(I) studied, (so/and) I passed"

Comparing Casualness

Most casual to most formal

1. 高くて、買えない (very casual)
   "It's expensive, can't buy it"

2. 高いから、買えない (casual)
   "It's expensive, so I can't buy it"

3. 高いので、買えません (polite)
   "It's expensive, so I can't buy it"

4. 価格が高いため、購入できません (formal)
   "Due to the high price, I cannot purchase it"

Practice Sentences

Basic

疲れて、眠い
"(I'm) tired, (so) sleepy"

忙しくて、会えない
"(I'm) busy, (so) can't meet"

嬉しくて、泣いた
"(I was) happy, (so) I cried"

Intermediate

道が混んでて、1時間も遅れちゃった
"The road was crowded, (so) I was an hour late"

この本、面白くて、一晩で読み終わっちゃった
"This book was interesting, (so) I finished reading it in one night"

彼女が優しくて、みんなに好かれている
"She's kind, (so) everyone likes her"

Advanced

昨日徹夜して、今日は頭が全然働かなくて、
仕事が全然進まない
"I stayed up all night yesterday, so my brain isn't
working at all today, and work isn't progressing at all"

あまりにも感動的で言葉にならなくて、
ただ涙が止まらなかった
"It was so moving I couldn't put it into words,
and tears just wouldn't stop"
  • て-form basics - Te-form conjugation
  • から - Because (casual)
  • ので - Because (formal)
  • 〜て、〜て - Listing with て
  • ために - For the purpose of
  • Casual Japanese - Conversational patterns