如题所述
一、用in的场合
(1)表示“在某年/月/季节”这个含义时,须用介词in。例如:
She came to this city in 1980.他于1980年来到这个城市。
It often rains here in summer.夏天这里常常下雨。
(2)表示“从现在起一段时间以后”时,须用介词in。例如:
They will go to see you in a week.他们将在一周后去看望你。
I will be back in a month.我将在一个月后回来。
(3)表示“在某世纪”时,须用介词in.例如:
This machine was invented in the eighteenth century.这台机器是在18世纪发明的.
Great changes took place in the twentieth century.20世纪发生了巨大变化.
(4)表示“在某年代或特定世纪某年代”时,须用介词in。例如:
This incident happened in the 1970''''''''s.该事件发生在20世纪70年代。
The Anti-Japanese War broke out in the 1930''''''''s.抗日战争爆发于20世纪30年代。
除此之外,morning / evening / afternoon 三个词也常跟介词in连用。例如:
Don''t watch TV too much in the evening.晚上看电视不要太多。
They sometimes play games in the afternoon.他们有时在下午做游戏。
二、用on的场合
(1)表示“在具体的某一天”或“(在具体的某一天的)早上、中午、晚上”等,须用介词on。例如:
Jack was born on May 10th,1982.杰克生于1982年5月10日。
They left on a rainy morning.他们是在一个雨天的早上离开的。
He went back to America on a summer afternoon.他于一个夏天的下午返回了美国。
(2)表示“在星期几”或“在星期几的早上、中午、晚上”等,须用介词on。例如:
We don''t go to school on Saturday and Sunday.我们星期六和星期天不上学。
What time do you get up on weekdays?你在平日什么时候起床?
I heard this story on Saturday morning.我是在星期六的早晨听到这个故事的。
(3)表示“在某一节日”时,须用介词on。例如:
We usually eat mooncakes on Mid-autumn Festival.我们通常在中秋节吃月饼。
Mr Hu received a card on Teachers''''''''Day.胡老师在教师节那天收到了一张卡片。
注意:当morning,evening,afternoon被of短语修饰,习惯上用in,而不用on.例如:
in the early morning of September 10th 在9月10的清晨;in the late afternoon of September 12th 在9月12日的傍晚。
三、用at的场合
(1)表示“某一具体时刻(即几点几分时)”,须用介词at。例如:
He gets up at six o''''''''clock every day .他每天六点起床。
I got home at five thirty yesterday afternoon.我昨天下午五点半到家。
(2)用在特定的时候(时节、时机)时,须用介词at。例如:
They were happy at that time.他们那时很幸福。
I think the shop is clcsed at this time of day.我认为商店在白天的这个时候关门了。
(3)表示“在中午、在夜晚、在周末”时,须用介词at。例如:
What do you often do at noon?你中午经常做些什么?
You can see many stars in the sky at night.夜晚你能看到天空中有许多星星。
(4)表示“在……岁”时,须用介词at。例如:
At the age of nine ,the boy could swim well.在九岁的时候,这孩子就游泳游得很好了。
At the age of twenty,I began to teach English at this school.在二十岁的时候,我就开始在这所学校教英语了。
注意:在含有next ,last,this,one ,any, each, every , some, all的词组和tomorrow,yesterday, the day after tomorrow, the day before yesterday 前不用任何介词。例如:
What did you do last summer holidays?去年暑假你做了些什么?
What are you going to do the day after tomorrow?后天你打算做什么?
=====*******======*******=======********
希望可以帮到你哦!望采纳 谢谢!O(∩_∩)O
(1)表示“在某年/月/季节”这个含义时,须用介词in。例如:
She came to this city in 1980.他于1980年来到这个城市。
It often rains here in summer.夏天这里常常下雨。
(2)表示“从现在起一段时间以后”时,须用介词in。例如:
They will go to see you in a week.他们将在一周后去看望你。
I will be back in a month.我将在一个月后回来。
(3)表示“在某世纪”时,须用介词in.例如:
This machine was invented in the eighteenth century.这台机器是在18世纪发明的.
Great changes took place in the twentieth century.20世纪发生了巨大变化.
(4)表示“在某年代或特定世纪某年代”时,须用介词in。例如:
This incident happened in the 1970''''''''s.该事件发生在20世纪70年代。
The Anti-Japanese War broke out in the 1930''''''''s.抗日战争爆发于20世纪30年代。
除此之外,morning / evening / afternoon 三个词也常跟介词in连用。例如:
Don''t watch TV too much in the evening.晚上看电视不要太多。
They sometimes play games in the afternoon.他们有时在下午做游戏。
二、用on的场合
(1)表示“在具体的某一天”或“(在具体的某一天的)早上、中午、晚上”等,须用介词on。例如:
Jack was born on May 10th,1982.杰克生于1982年5月10日。
They left on a rainy morning.他们是在一个雨天的早上离开的。
He went back to America on a summer afternoon.他于一个夏天的下午返回了美国。
(2)表示“在星期几”或“在星期几的早上、中午、晚上”等,须用介词on。例如:
We don''t go to school on Saturday and Sunday.我们星期六和星期天不上学。
What time do you get up on weekdays?你在平日什么时候起床?
I heard this story on Saturday morning.我是在星期六的早晨听到这个故事的。
(3)表示“在某一节日”时,须用介词on。例如:
We usually eat mooncakes on Mid-autumn Festival.我们通常在中秋节吃月饼。
Mr Hu received a card on Teachers''''''''Day.胡老师在教师节那天收到了一张卡片。
注意:当morning,evening,afternoon被of短语修饰,习惯上用in,而不用on.例如:
in the early morning of September 10th 在9月10的清晨;in the late afternoon of September 12th 在9月12日的傍晚。
三、用at的场合
(1)表示“某一具体时刻(即几点几分时)”,须用介词at。例如:
He gets up at six o''''''''clock every day .他每天六点起床。
I got home at five thirty yesterday afternoon.我昨天下午五点半到家。
(2)用在特定的时候(时节、时机)时,须用介词at。例如:
They were happy at that time.他们那时很幸福。
I think the shop is clcsed at this time of day.我认为商店在白天的这个时候关门了。
(3)表示“在中午、在夜晚、在周末”时,须用介词at。例如:
What do you often do at noon?你中午经常做些什么?
You can see many stars in the sky at night.夜晚你能看到天空中有许多星星。
(4)表示“在……岁”时,须用介词at。例如:
At the age of nine ,the boy could swim well.在九岁的时候,这孩子就游泳游得很好了。
At the age of twenty,I began to teach English at this school.在二十岁的时候,我就开始在这所学校教英语了。
注意:在含有next ,last,this,one ,any, each, every , some, all的词组和tomorrow,yesterday, the day after tomorrow, the day before yesterday 前不用任何介词。例如:
What did you do last summer holidays?去年暑假你做了些什么?
What are you going to do the day after tomorrow?后天你打算做什么?
=====*******======*******=======********
希望可以帮到你哦!望采纳 谢谢!O(∩_∩)O
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第1个回答 2014-01-07
1. at, in 和on是用于表示时间的介词,表示具体的时刻可以用at。
We got used to getting up at six. 我们习惯于6点起床。
I’ll meet you at a quarter to eight. 咱么7点45分见。
2. 一天的各个时间最常见的词组有: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长时间才能醒过来。
three o’clock in the morning. 凌晨三点钟。
I work best at night. 我在晚上工作效率高。
3. 如果专指某一天上午、下午等,或要对这天上午或下午加以描述,就用on而不用in。
See you on Monday morning. 星期一早上见。
On a cold afternoon in January, I met her in the street. 在1月的一个寒冷的下午,我在街上遇到了她。
On that particular evening, there was a strange excitement in the air. 在那个特别的晚上,空气中都弥漫着兴奋。
I don’t like see people on the nights when I’ve been working late.当晚上工作很晚的时候,我不愿意见别人。
4. 谈到具体的某一天或特殊场合,用on。
Come back on Tuesday. 星期二回来。
On a summer day, in the month of May, he was born. 在5月的一个夏日,他出生了。
We are going to give him a surprise party on his birthday. 在他生日的时候,我们准备给他开一个惊喜晚会。
Granny’s coming to lunch on Christmas Day. 奶奶圣诞节来吃午饭。
5. 泛指圣诞节、新年、复活节时,都用at。
Are you going away on Easter? 复活节你们外出吗?
Children feel happy at Christmas. 孩子们过圣诞节非常高兴。
6. 谈到较长的时间,如星期、月、季、年、世纪等时,用in。
It happened in Easter week. 事件发生在复活节的那一周。
What month were you born in? 你是那个月出生的?
We usually go to the beach in summer. 我们通常是夏季去海滩。
I went to Dalian in 1997. 我1997年去了大连。
In the 21st century, computer science will develop greatly. 在21世纪,计算机科学将会得到大发展。
We got used to getting up at six. 我们习惯于6点起床。
I’ll meet you at a quarter to eight. 咱么7点45分见。
2. 一天的各个时间最常见的词组有: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长时间才能醒过来。
three o’clock in the morning. 凌晨三点钟。
I work best at night. 我在晚上工作效率高。
3. 如果专指某一天上午、下午等,或要对这天上午或下午加以描述,就用on而不用in。
See you on Monday morning. 星期一早上见。
On a cold afternoon in January, I met her in the street. 在1月的一个寒冷的下午,我在街上遇到了她。
On that particular evening, there was a strange excitement in the air. 在那个特别的晚上,空气中都弥漫着兴奋。
I don’t like see people on the nights when I’ve been working late.当晚上工作很晚的时候,我不愿意见别人。
4. 谈到具体的某一天或特殊场合,用on。
Come back on Tuesday. 星期二回来。
On a summer day, in the month of May, he was born. 在5月的一个夏日,他出生了。
We are going to give him a surprise party on his birthday. 在他生日的时候,我们准备给他开一个惊喜晚会。
Granny’s coming to lunch on Christmas Day. 奶奶圣诞节来吃午饭。
5. 泛指圣诞节、新年、复活节时,都用at。
Are you going away on Easter? 复活节你们外出吗?
Children feel happy at Christmas. 孩子们过圣诞节非常高兴。
6. 谈到较长的时间,如星期、月、季、年、世纪等时,用in。
It happened in Easter week. 事件发生在复活节的那一周。
What month were you born in? 你是那个月出生的?
We usually go to the beach in summer. 我们通常是夏季去海滩。
I went to Dalian in 1997. 我1997年去了大连。
In the 21st century, computer science will develop greatly. 在21世纪,计算机科学将会得到大发展。