At 表示特定的時間點。想像時間是一條線,at 就是線上的某個時間點,強調事情發生的那一刻,例如:
I got up at 7:00 this morning. (我今天早上 7點起床。)
The miracle happened at that moment. (奇蹟在那一刻發生了。)
另外,表示一天中的某個時刻,不需加冠詞,如 at dawn、at midnight、at night。
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On 表示特定的日子或日期。像是:
Let’s have dinner on Friday. (我們禮拜五一起吃晚餐吧。)
His birthday is on the fourth of August. (他的生日在8月4日)
We are going to the party on Halloween. (萬聖節當天我們會去參加派對。)
那為什麼會有at Halloween 呢?on Halloween是指萬聖節當天,而 at Halloween則是指在萬聖節的期間。
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In 表示特定較長的時間。如月份、年份、季節、時代、世紀,或一段時間。例如:
My uncle is going to retire in 2015. (我舅舅2015就要退休了。)
She started the job in August. (她在8月的時候就開始做這工作了。)
用in表示一段時間,如in my lifetime(在我的人生中);或是I will go to England in 2 weeks. (在2個禮拜內我就要去英國了。)
但 in the night 和 at night 又有什麼不同?
in the night指的是夜間,從日落到日出這個時段,at night則是指晚上,一天的某個時間點。
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in
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in + the past
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in + the present
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in + the future
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in + the morning
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in + the afternoon
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in + the evening
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in future (Please be on time in future.)
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in + a month
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in + a year
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in + a century
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in + a season
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on (日期、星期)
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on + a date
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on + a weekday
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on + a weekday morning(s)
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on + a weekday afternoon(s)
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on + a weekday evening(s)
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at
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at + noon
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at + night
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at + midnight
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at + clock time
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at + present
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at + the moment
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at + the present time (看最小的)
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Page 163
3. Newspapers report events that happen in the present.
4. Last year I was a junior in high school. At present, I am a senior in high school.
5. I am a student at the present time, but I will graduate next month.
看最小的
15. I moved here in September 2001.
16. I moved here on September 3.
17. I moved here on September 3, 2001.
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