❶場所・時間の1点～に, ～で
at the door
♔基本at the door
そのドアの所に[で]
⦣ at＋名詞.
at six (o'clock)
at six (o'clock)
6時に
wait at the station
wait at the station
駅で待つ
⦣ 動詞＋at＋名詞.
the store at the corner
the store at the corner
角の店
⦣ 名詞＋at＋名詞.
There is someone at the door.
There is someone at the door.
玄関げんかんにどなたかおいでです.
Were you at school yesterday?
Were you at school yesterday?
君昨日学校にいた?
We arrived at the station at five.
We arrived at the station at five.
私たちは5時に駅に着いた.
At night I like to stay at home.
At night I like to stay at home.
私は夜はうちにいたい.
Express trains don't stop at my station.
Express trains don't stop at my station.
急行電車は私の駅には止まらない.
The thief entered at this back door.
The thief entered at this back door.
どろぼうはこの裏口から入ったのだ.
⦣ この at は 主に英. 米 では by または through を使う.
He died at (the age of) 80.
He died at (the age of) 80.
彼は80歳さいで死んだ.
❺（ある場所にいて）～していて, ～（に従事）して, ～中で
be at (the) table
be at (the) table
食卓しょくたくについている, 食事中である
He is at his desk [books].
He is at his desk [books].
彼は机に向かって[勉強して]いる.
The children were at play [school] then.
The children were at play [school] then.
その時子供たちは遊んでいた[授業中だった].
My father is not at home; he is at work.
My father is not at home; he is at work.
父はうちにはいません. 仕事に行っています.
⦣ 最初のatは ❶
❼～を聞いて, ～を見て, ～に（接して）
We were surprised at the news [the sight].
We were surprised at the news [the sight].
私たちはその知らせを聞いて[光景を見て]驚おどろいた.
The birds flew away at the sound.
The birds flew away at the sound.
その音で鳥たちは飛び去った.
At that he stood up.
At that he stood up.
それを見て[聞いて]彼は立ち上がった.
He did not stop his car at the red light.
He did not stop his car at the red light.
彼は赤信号にも車を止めなかった.
