〜ちゃう・じゃう (~chau / ~jau) — casual 〜てしまう
The job is all done, or it happened by accident — the form you use with friends.
Formula (सूत्र ढाँचा)
Grammar rule (व्याकरण नियम र परिभाषा)
When to use it
Chatting with friends or family, 「〜てしまう」gets shortened to 「〜ちゃう」.
Meaning
- First, that something is completely done: 「宿題やっちゃった」= I finished the homework.
- Second, that something happened by accident, with a touch of regret: 「さいふをなくしちゃった」= I went and lost my wallet.
How to attach
The past is 〜ちゃった.
Watch out
This is fully casual speech, so never use it with a boss, a customer or a stranger — there the full 「〜てしまいました」is the right choice.
Examples (उदाहरणहरू)
ケーキ、もう食べちゃった。
ケーキ、もうたべちゃった。
I've already gone and eaten the cake.
How it is built (कसरी बन्यो) 食べる (to eat) → て-form 食べて → drop て, add ちゃう → 食べちゃう → to make it past, う becomes った: 食べちゃった = I've already eaten it.
電車で寝ちゃって、駅を過ぎた。
でんしゃでねちゃって、えきをすぎた。
I fell asleep on the train and went past my station.
How it is built (कसरी बन्यो) 寝る (to sleep) → て-form 寝て → drop て, add ちゃう → 寝ちゃう → to join the next part, make the て-form again: 寝ちゃって. The meaning here is "it happened without my meaning it to".
この仕事、今日中にやっちゃおう。
このしごと、きょうじゅうにやっちゃおう。
Let's just get this job done today.
How it is built (कसरी बन्यो) やる (to do) → て-form やって → drop て, add ちゃう → やっちゃう → to say "let's", use the おう form: やっちゃおう = let's just get it done.
Knowledge check (मिनी ज्ञान जाँच)
Which is the casual form of 「飲んでしまった」?
💡 Hint: The て-form is 飲んで — it ends in で.
Because it ends in で you need じゃう: 飲んで → 飲んじゃった.
「宿題を＿。」— which one says "I finished the homework"?
💡 Hint: "Finished" means past tense.
やって → やっちゃう, and in the past やっちゃった.
Telling your 店長 "I ended up being late", which form is right?
💡 Hint: Casual contractions do not work with a boss.
With a superior, use the full 「〜てしまいました」.
Your score: /3