推荐回答(5个)
1,月份前用介词“ in ”,in 后面跟年、月、季节、泛指的上午、下午、晚上。
2,具体到某天某日的用介词on,不具体的某年或某月用介词in。例如:in 2018in February 2018on Jan. 23rd, 2009。

扩展资料:
1,介词(preposition 简写prep.)又称作前置词,表示名词、代词等与句中其他词的关系,在句中不能单独作句子成分。介词后面一般有名词、代词或相当于名词的其他词类、短语或从句作它的宾语,表示与其他成分的关系。介词和它的宾语构成介词词组,在句中作状语,表语,补语,定语或介词宾语。同时介词的用法也很灵活,同一个介词可以表达多种意义,介词可以分为时间介词、地点介词、方式介词、原因介词、数量介词和其他介词。
2,介词一般用于名词或者代词前面,表示该词与句中其他成分的关系。介词后面的名词或代词称为介词宾语(如果是人称代词,则要用宾格)。介词和介词宾语合在一起构成介词短语。
具体到某天某日的用介词on,不具体的某年或某月用介词in。
例如:
in 2018
in February 2018
on Jan. 23rd, 2009
例句:
1.He was bailed to appear before local magistrates on 5 November.
他获得保释,将于11月5日在地方法庭出庭受审。
2.In April 1944 he was killed on active service.
1944年4月他在战时服役中阵亡。

扩展资料
in
英 [ɪn] 美 [ɪn]
prep. 按照(表示方式);从事于;在…之内
adv. 进入;当选;(服装等)时髦;在屋里
adj. 在里面的;时髦的
n. 执政者;门路;知情者
n. (In)人名;(中)演(广东话·威妥玛);(柬)殷(用于名字第一节), 因;(日)寅 (名)
on
英 [ɒn] 美 [ɑn]
adv. 向前地;作用中,行动中;继续着
prep. 向,朝……;关于;在……之上;在……时候
adj. 开着的;发生着的,正在进行中
n. (On)人名;(日)温(姓、名);(缅、柬、印)翁
例句:
1.Eventually, you'll learn to cry that on the inside.
终有一天,你会学会让泪往心里流。
2.A fellow doesn't last long on what he has done. He's got to keep on delivering as he goes along.--Carl Hubbell, Baseball Player
靠过去完成的无法让人保有成功,必须在路上持续交出成绩。
3.She went directly to Simon's apartment and knocked on the door.
她直奔西蒙的房间,敲了敲门。
4.No matter where you go in life or how old you get, there's always something new to learn about. After all, life is full of surprises.
不管你生活在哪里,你有多少岁,总有新东西要学习,毕竟,生活总是充满惊喜。
月份前用介词“ in ”
in 后面跟年、月、季节、泛指的上午、下午、晚上。
如:in 1968 ; in March; in spring; in the morning.

扩展资料:
表示在某时间.常用介词at,on,in等。
用 at 来表示在某一段时刻:
at dawn/daybreak: 在黎明
at six :在6点钟
at midnight :在午夜
at 4:30 :在4点30分
用 at 来表示在……岁时
at sixteen/at the age of sixteen :16岁的时候
用 on 来表示在星期几/某日
on Monday :在星期一
on January fifth:在1月5日
on Christmas Day :在圣诞节那一天 也可用at Christmas
on New Year's Day:在新年那天
用in来表示一天中的早中晚,月份,季节或年份
in the morning/afternoon/evening在早晨,下午,晚上
in January/February在一月,二月
in Spring在春天
in 2014在2014年
参考资料:
介词_百度百科
具体到某天某日的用介词on,不具体的某年或某月用介词in。
例如:
in 2009
in January 2009
on Jan. 23rd, 2009
可以看出,具体到某天某日的用介词on,不具体的某年或某月用介词in。
on[ɒn]
释义:
adv. 向前地;作用中,行动中;继续着
prep. 向,朝……;关于;在……之上;在……时候
adj. 开着的;发生着的,正在进行中
n. (On)人名;(日)温(姓、名);(缅、柬、印)翁
例句:
1、She spread a sheet on the sofa for me.
她为我在沙发上铺了一条单子。
2、He heaped food on the plate.
他把食物堆放在盘子里。
3、Have a glass on me.
来喝一杯,我请客。
in[ɪn]
释义:
prep. 按照(表示方式);从事于;在…之内
adv. 进入;当选;(服装等)时髦;在屋里
adj. 在里面的;时髦的
n. 执政者;门路;知情者
n. (In)人名;(中)演(广东话·威妥玛);(柬)殷(用于名字第一节), 因;(日)寅 (名)
例句:
1、He has no say in the matter.
他在这个问题上没有发言权。
2、He beckoned me in.
他招手要我进去。
3、He banged on the door until she let him in.
他砰砰打门,一直到她开门让他进去为止。
用in。
in➕月份或年份 in May
on➕日期 on May 4th
at➕具体时间 at 6 o,clock
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