in--on--at介词表示时间VIP免费

时间介词in/on/at口诀年月季要用in，周几几号要用on。午夜黄昏用at，也可用在时分前。①年月季要用inin1992,inJanuary；insummer；inspring；inautumn；inwinter②上午下午又是ininthemorning；intheafternoon；intheevening1、用in的时间短语有：2、用on的时间短语有：①周几几号要用on（具体的某一天）onMonday；onFriday,onthatday,onJune1st；on23rdMarch；onWednesdayevening；onSundayafternoon3、用at的时间短语有：①午夜黄昏用atatnoon；atnight；②也可用在时分前atteno‘clock;athalfpasteight;atlunchtime；atteatime