❶なぜ, どうして
Why are you late?
♔基本Why are you late?
君はどうして遅おくれたのですか.
✓POINT
You are late why. (君は「なぜ」遅れた)が疑問文になって Are you late why? さらに why が文頭に出て Why are you late? となる.
Why is he absent?—Because he is sick.
会話Why is he absent?—Because he is sick.
なぜ彼は休みなのか.—病気だからです.
⦣ 理由を答える時は Because ~.
I'm very happy now.—Why?
会話I'm very happy now.—Why?
私は今とてもうれしいんだ.—どうして?
Why do you want a new camera?
♔基本Why do you want a new camera?
君はなぜ新しいカメラが欲ほしいの?
✓POINT
You want a new camera why. (君は「なぜ」新しいカメラが欲しい)が疑問文になって Do you want a new camera why? さらに why が文頭に出て Why do you want a new camera? となる.
Excuse me, sir! You mustn't park your car here.—Why not?
会話Excuse me, sir! You mustn't park your car here.—Why not?
すみません, ここに駐車
ちゅうしゃしてはいけないのですが.—どうしていけないのですか.
Why not?
Why is he absent this morning?—I don't know why he is absent.
会話Why is he absent this morning?—I don't know why he is absent.
なぜ彼は今朝休んでいるのですか.—彼がなぜ休みなのか私は知りません.
⦣ why 以下は文の一部に組み入れられるとこの語順になる.
Why do you think he is absent?—I think he is sick.
会話Why do you think he is absent?—I think he is sick.
なぜ彼が休んでいると思いますか.—彼は病気なのだと思います.
⦣ Yes, No の答えを求めない疑問文ではこの語順になる. 前例との違ちがいに注意.
❷the reason why+文でなぜ~するかという理由
文法 ちょっとくわしく
前にある reason (理由)を修飾しゅうしょくする関係副詞用法. why か the reason のどちらかが省略されることがある.
This is the reason why he is absent.
This is the reason why he is absent.
これが彼が欠席している理由です.
I want to know the reason (why) you were absent yesterday.
I want to know the reason (why) you were absent yesterday.
君が昨日欠席した理由を知りたい.
That's (the reason) why everyone likes him.
That's (the reason) why everyone likes him.
それがみんなが彼を好きな理由です[そんなわけでみんな彼を好きなんです].
I can see why.
I can see why.
理由がわかります.
⦣ why 以下が省略された形.