表示時(shí)間的介詞
1.at,in 和on是用于表示時(shí)間的介詞,表示具體的時(shí)刻可以用at.
We got used to getting up at six.我們習(xí)慣于6點(diǎn)起床.
I’ll meet you at a quarter to eight.咱么7點(diǎn)45分見.
2.一天的各個(gè)時(shí)間最常見的詞組有：in the morning,in the afternoon,in the evening,at daybreak,at sunrise,at noon,at night,at midnight等.
It always takes me ages to wake up in the morning.每天早晨我都需要花好長時(shí)間才能醒過來.
three o’clock in the morning.凌晨三點(diǎn)鐘.
I work best at night.我在晚上工作效率高.
3.如果專指某一天上午、下午等,或要對(duì)這天上午或下午加以描述,就用on而不用in.
See you on Monday morning.星期一早上見.
On a cold afternoon in January,I met her in the street.在1月的一個(gè)寒冷的下午,我在街上遇到了她.
On that particular evening,there was a strange excitement in the air.在那個(gè)特別的晚上,空氣中都彌漫著興奮.
I don’t like see people on the nights when I’ve been working late.當(dāng)晚上工作很晚的時(shí)候,我不愿意見別人.
4.談到具體的某一天或特殊場(chǎng)合,用on.
Come back on Tuesday.星期二回來.
On a summer day,in the month of May,he was born.在5月的一個(gè)夏日,他出生了.
We are going to give him a surprise party on his birthday.在他生日的時(shí)候,我們準(zhǔn)備給他開一個(gè)驚喜晚會(huì).
Granny’s coming to lunch on Christmas Day.奶奶圣誕節(jié)來吃午飯.
5.泛指圣誕節(jié)、新年、復(fù)活節(jié)時(shí),都用at.
Are you going away on Easter?復(fù)活節(jié)你們外出嗎?
Children feel happy at Christmas.孩子們過圣誕節(jié)非常高興.
6.談到較長的時(shí)間,如星期、月、季、年、世紀(jì)等時(shí),用in.
It happened in Easter week.事件發(fā)生在復(fù)活節(jié)的那一周.
What month were you born in?你是那個(gè)月出生的?
We usually go to the beach in summer.我們通常是夏季去海灘.
I went to Dalian in 1997.我1997年去了大連.
In the 21st century,computer science will develop greatly.在21世紀(jì),計(jì)算機(jī)科學(xué)將會(huì)得到大發(fā)展.