时间前面加的介词in,at,on的区别及用法?

时间前面加的介词in,at,on的区别及用法?
时间前面加的介词in,at,on的区别及用法?

时间前面加的介词in,at,on的区别及用法?
1、 介词on用在时间上,表示某一具体的时间前面（常表达某一天）,
如：on Sunday morning ,on july ,25.
2、 介词in用在时间上,表示在某一特定时间里,或者某段时间之后,
如：in the morning,in a week.
3、介词at用在在时间上,是用某一点时间前面,
如：at six o'clock.

关于时间： in，at，on in the morning/eveningin front of：在……前面（in front of me）物体介词后面全宾格…… 还有啥的想不到了……

记住，以下内容对中考和高考非常有用，要仔细阅读和背出来：
in January
in winter
in 1999;
in the morning/ afternoon /evening.
in the daytime
on Monday,
on Sunday afternoon,
on July 1st, 2011

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记住，以下内容对中考和高考非常有用，要仔细阅读和背出来：
in January
in winter
in 1999;
in the morning/ afternoon /evening.
in the daytime
on Monday,
on Sunday afternoon,
on July 1st, 2011
at six o’clock,
at three thirty.
at night,
at noon,
at this time of year.
in a year
in spring
in September
in a week ,
in two weeks
in two weeks' time
on Monday
on Monday afternoon
on March 7th, 2000
at eight o’clock
at this time of day /year
at the moment
in the summer / winter holiday
at Christmas
on Christmas Day / Eve / afternoon
on the evening of May 31st,2011
on National Day
on Children's Day
on the day of my arrival / departure
on the day she comes
in the year I was born
on the very Monday she fell ill
on Thanksgiving Day
during our stay in Japan
in Tom's absence
in the presence of my friends
on our way to the library
on their first trip to Shanghai
on a voyage inthe Atlantic Ocean

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on“在具体某一天”① “当某时”，动名词， arrival，death前；early，late位句先②，用in一般“上”“下”“晚”；on用于天，in用于月、季、年③；限定三时in要变。④at是个时间点，“工作”“时刻”与“圣诞”⑤。at noon（night），in the day，习惯用语记心间。 注：①on表示在具体某一天及具体某一天的上午、下午和晚上。 例 On mother...

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on“在具体某一天”① “当某时”，动名词， arrival，death前；early，late位句先②，用in一般“上”“下”“晚”；on用于天，in用于月、季、年③；限定三时in要变。④at是个时间点，“工作”“时刻”与“圣诞”⑤。at noon（night），in the day，习惯用语记心间。 注：①on表示在具体某一天及具体某一天的上午、下午和晚上。 例 On mother's Day, we should send flowers to our mother. 母亲节，我们应该送花给我们的母亲。 On my arrival home，I found he had gone already．当我到家时，我发现他已经走了。 ② 当early，late用于句首修饰介词短语时，尽管表示具体某一天的上午、下午、晚上，都要用in，泛指一般的上、下午，晚上也用in 。 例 Early in the morning of National Day，I got up to catch the first bus to the zoo． 国庆节一清早，我便起床去赶到动物园的第一班公共汽车。 My father begins work at 8：00 in the morning and stops work at 4：00 in the afternoon． 我父亲上午8点上班，下午4点下班。 ③于将来时态表示“过一段时间后” 及表示“在……期间” 和“在某个季节，某年、某月” 都用in。 例 I hear he’ll be back in a month．我听说他将于一个月后回来。 In the course of the last lesson in French，little Franz was listening to the master very attentively．在那最后一堂法语课中，小弗朗兹非常用心地听着老师讲。 Xiao Ming was born in December of 2004. 小明生于2004年12月。 ④当 morning，afternoon，evening有前位定语或后置定语限定时，就不用in而用on。例 on a hot (summer) noon 在一个炎热（夏天）的中午 on Monday morning 在星期一上午 on the morning of March 8th在3月8日上午 ⑤ 表示某时某刻及在work，Christmas前用at。 例 We get up at eight o’clock． 我们8点起床。 My father are busily at work all day． 我父亲整天忙于工作。 In western countries children get present from their parents at Christmas． 在西方国家，孩子们在圣诞节得到父亲给的礼物

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