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时间用on

具体时间用on,例如:8月8日.就是 On August 8th

时间用on

In一般是大概时间,大多后接月份,例如:8月.In August.

at一般后面时间.比如9点,At 9 o’clock

1. on,in,at表示时间

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.

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之一班公共汽车.

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.