in on at的用法及区别

in on at的用法及区别

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第1个回答  2016-04-15
一. in,on在方位名词前的区别
1. in表示A地在B地范围之内。如:
Taiwan is in the southeast of China.
2. on表示A地与B地接壤、毗邻。如:
North Korea is on the east of China.
二. at, in, on在表示时间上的区别
1. at指时间表示:
(1)时间的一点、时刻等。如:
They came home at sunrise (at noon, at midnight, at ten o’clock, at daybreak, at dawn).
(2)较短暂的一段时间。可指某个节日或被认为是一年中标志大事的日子。如:
He went home at Christmas (at New Year, at the Spring Festival, at night).
2. in指时间表示:
(1)在某个较长的时间(如世纪、朝代、年、月、季节以及泛指的上午、下午或傍晚等)内。如:
in 2004, in March, in spring, in the morning, in the evening, etc
(2)在一段时间之后。一般情况下,用于将来时,谓语动词为瞬间动词,意为“在……以后”。如:
He will arrive in two hours.
谓语动词为延续性动词时,in意为“在……以内”。如:
These products will be produced in a month.
注意:after用于将来时间也指一段时间之后,但其后的时间是“一点”,而不是“一段”。如:
He will arrive after two o’clock.
3. on指时间表示:
(1)具体的时日和一个特定的时间,如某日、某节日、星期几等。如:
On Christmas Day(On May 4th), there will be a celebration.
(2)在某个特定的早晨、下午或晚上。如:
He arrived at 10 o’clock on the night of the 5th.
(3)准时,按时。如:
If the train should be on time, I should reach home before dark.
三. at, in和on表示地点时的区别
1. at表示地点:
(1)用于指较小的地方。如:
I shall wait for you at the station.
(2)用于门牌号码前。如:
He lives at 115 Zhongshan Road.
2. in表示地点:
(1)用于指较大的地方。如:
He lives in Shanghai.
(2)虽然是很小的地方,如果说话人住在那里,也可用in。商店、学校、机关等,若看作一个地点(point)用at,若看作一个场所(place)用in。如:
I met him at the post-office.
I’m now working in the post-office.
3. on表示地点,一般指与面或线接触,意为“在……上;在……旁”。如:
The picture was hanging on the wall.
New York is on the Hudson River.
第2个回答  2013-01-13
一. in,on在方位名词前的区别
1. in表示A地在B地范围之内。如:
Taiwan is in the southeast of China.
2. on表示A地与B地接壤、毗邻。如:
North Korea is on the east of China.
二. at, in, on在表示时间上的区别
1. at指时间表示:
(1)时间的一点、时刻等。如:
They came home at sunrise (at noon, at midnight, at ten o’clock, at daybreak, at dawn).
(2)较短暂的一段时间。可指某个节日或被认为是一年中标志大事的日子。如:
He went home at Christmas (at New Year, at the Spring Festival, at night).
2. in指时间表示:
(1)在某个较长的时间(如世纪、朝代、年、月、季节以及泛指的上午、下午或傍晚等)内。如:
in 2004, in March, in spring, in the morning, in the evening, etc
(2)在一段时间之后。一般情况下,用于将来时,谓语动词为瞬间动词,意为“在……以后”。如:
He will arrive in two hours.
谓语动词为延续性动词时,in意为“在……以内”。如:
These products will be produced in a month.
注意:after用于将来时间也指一段时间之后,但其后的时间是“一点”,而不是“一段”。如:
He will arrive after two o’clock.
3. on指时间表示:
(1)具体的时日和一个特定的时间,如某日、某节日、星期几等。如:
On Christmas Day(On May 4th), there will be a celebration.
(2)在某个特定的早晨、下午或晚上。如:
He arrived at 10 o’clock on the night of the 5th.
(3)准时,按时。如:
If the train should be on time, I should reach home before dark.
三. at, in和on表示地点时的区别
1. at表示地点:
(1)用于指较小的地方。如:
I shall wait for you at the station.
(2)用于门牌号码前。如:
He lives at 115 Zhongshan Road.
2. in表示地点:
(1)用于指较大的地方。如:
He lives in Shanghai.
(2)虽然是很小的地方,如果说话人住在那里,也可用in。商店、学校、机关等,若看作一个地点(point)用at,若看作一个场所(place)用in。如:
I met him at the post-office.
I’m now working in the post-office.
3. on表示地点,一般指与面或线接触,意为“在……上;在……旁”。如:
The picture was hanging on the wall.
New York is on the Hudson River.
第3个回答  2018-06-23

用法in,on,at都可用于表示时间的名词前

区别:

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?

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第4个回答  2018-05-18
一.in,on在方位名词前的区别
1.in表示A地在B地范围之内.如:
Taiwan is in the southeast of China.
2.on表示A地与B地接壤、毗邻.如:
North Korea is on the east of China.
二.at,in,on在表示时间上的区别
1.at指时间表示:
(1)时间的一点、时刻等.如:
They came home at sunrise (at noon,at midnight,at ten o’clock,at daybreak,at dawn).
(2)较短暂的一段时间.可指某个节日或被认为是一年中标志大事的日子.如:
He went home at Christmas (at New Year,at the Spring Festival,at night).
2.in指时间表示:
(1)在某个较长的时间(如世纪、朝代、年、月、季节以及泛指的上午、下午或傍晚等)内.如:
in 2004,in March,in spring,in the morning,in the evening,etc
(2)在一段时间之后.一般情况下,用于将来时,谓语动词为瞬间动词,意为“在……以后”.如:
He will arrive in two hours.
谓语动词为延续性动词时,in意为“在……以内”.如:
These products will be produced in a month.
注意:after用于将来时间也指一段时间之后,但其后的时间是“一点”,而不是“一段”.如:
He will arrive after two o’clock.
3.on指时间表示:
(1)具体的时日和一个特定的时间,如某日、某节日、星期几等.如:
On Christmas Day(On May 4th),there will be a celebration.
(2)在某个特定的早晨、下午或晚上.如:
He arrived at 10 o’clock on the night of the 5th.
(3)准时,按时.如:
If the train should be on time,I should reach home before dark.
三.at,in和on表示地点时的区别
1.at表示地点:
(1)用于指较小的地方.如:
I shall wait for you at the station.
(2)用于门牌号码前.如:
He lives at 115 Zhongshan Road.
2.in表示地点:
(1)用于指较大的地方.如:
He lives in Shanghai.
(2)虽然是很小的地方,如果说话人住在那里,也可用in.商店、学校、机关等,若看作一个地点(point)用at,若看作一个场所(place)用in.如:
I met him at the post-office.
I’m now working in the post-office.
3.on表示地点,一般指与面或线接触,意为“在……上;在……旁”.如:
The picture was hanging on the wall.
New York is on the Hudson River.