如题所述
(一)介词in,on和at表示时间
年、季、月、周要用in,日期、节气用on行;
某时某刻用at,at the age of表年龄;
圣诞、夜晚、钟点前,用上at才自然;
早、午、晚上常用in,固定短语记心间。
(1)at主要表示:
①在某个具体时间,如:在……时刻,在……点钟,at seven o’clock,at 9:30等
②固定短语:at night,at noon,at that time,at the age of,at the weekend,at Christmas等
(2)on用来表示“在……天”,如:on Sunday,on the following day,on October 1,1949等
(3)in用来表示:
①在某年、某季、某月、某周,如:in 2003,in summer,in September,in the 10th week等
②在一段时间之后(之内),如:in a few days,in a minute,in two weeks等
③用在“早晨/上午、下午、晚上”名词前,如:
in the morning,in the afternoon,in the evening
如果表示某一天的上午,下午和晚上,要用介词on。如:on Sunday morning,on Saturday evening
可巧记为:某天上下午和晚上,不能用in要用on。
(二)介词in,on和at表示地点
on“在……之上”接触面,“靠近、接壤”左右边;
in“在里面”和“中间”,也可表示在“大地点”;
at表示在“小地点”,“入口、车站、影剧院”;
home前有限定“冠”,须用in把at换;
“夜间、车辆”若有限(定词),“回家途中”on在前。
(1)on表示“在……之上”(与物体表面相接触)。如:
His pen is on his desk.
表示“靠近;相互接壤”,以及在左、右边都用on。如:
Korea lies on the northeast of China.
Tom sits on my right.
(2)in表示“在……里面”(物体内部)、“在……中间”。如:
My pen is in my pencil-box.
in还可以表示“在大地点”。如:
They live in Shanghai while we live in Beijing.
(3)at表示在较小的地点,在“入口、车站”和“影剧院”等名词前也用at。如:
at the entrance to the library,at the bus stop,at the theatre,at the cinema
(4)home前一般用at,但若有物主代词或定冠词等定语修饰时,必须用in。如:
at home,in my home,in his simple home(在他简朴的家中)
(5)“夜间”(night)、“车辆”(bus,bike,train等)名词前若有限定词修饰,以及“在……途中”用介词on。如:
He was at home on the night of May 1.
Jim often goes to school on his bike.
On the way home,Li Hua picked up a wallet
年、季、月、周要用in,日期、节气用on行;
某时某刻用at,at the age of表年龄;
圣诞、夜晚、钟点前,用上at才自然;
早、午、晚上常用in,固定短语记心间。
(1)at主要表示:
①在某个具体时间,如:在……时刻,在……点钟,at seven o’clock,at 9:30等
②固定短语:at night,at noon,at that time,at the age of,at the weekend,at Christmas等
(2)on用来表示“在……天”,如:on Sunday,on the following day,on October 1,1949等
(3)in用来表示:
①在某年、某季、某月、某周,如:in 2003,in summer,in September,in the 10th week等
②在一段时间之后(之内),如:in a few days,in a minute,in two weeks等
③用在“早晨/上午、下午、晚上”名词前,如:
in the morning,in the afternoon,in the evening
如果表示某一天的上午,下午和晚上,要用介词on。如:on Sunday morning,on Saturday evening
可巧记为:某天上下午和晚上,不能用in要用on。
(二)介词in,on和at表示地点
on“在……之上”接触面,“靠近、接壤”左右边;
in“在里面”和“中间”,也可表示在“大地点”;
at表示在“小地点”,“入口、车站、影剧院”;
home前有限定“冠”,须用in把at换;
“夜间、车辆”若有限(定词),“回家途中”on在前。
(1)on表示“在……之上”(与物体表面相接触)。如:
His pen is on his desk.
表示“靠近;相互接壤”,以及在左、右边都用on。如:
Korea lies on the northeast of China.
Tom sits on my right.
(2)in表示“在……里面”(物体内部)、“在……中间”。如:
My pen is in my pencil-box.
in还可以表示“在大地点”。如:
They live in Shanghai while we live in Beijing.
(3)at表示在较小的地点,在“入口、车站”和“影剧院”等名词前也用at。如:
at the entrance to the library,at the bus stop,at the theatre,at the cinema
(4)home前一般用at,但若有物主代词或定冠词等定语修饰时,必须用in。如:
at home,in my home,in his simple home(在他简朴的家中)
(5)“夜间”(night)、“车辆”(bus,bike,train等)名词前若有限定词修饰,以及“在……途中”用介词on。如:
He was at home on the night of May 1.
Jim often goes to school on his bike.
On the way home,Li Hua picked up a wallet
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第1个回答 2018-08-28
in是国家或城市等大的地方,at小地方,比如家,on在路上吧