on-at-in的用法

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,介词,on at in,表时间,at,时间最短，一般表示点时间，具体的某个时刻,1.at six oclock,2.at 8:30,习惯用语：,at night,at noon,at this time of year,On,在具体某一天 及 具体某一天的上午 下午 和晚上,1.On mothers Day,we should send flowers to our mother.,2.On Monday/Friday/Saturday,3.On Tuesday afternoon,On Sunday morning(evening),4.On July 1,1999,On March 7,On+,星期,(1-7),On+,年，月，日,/,年，日,/,月，日,In,时间范围大（一天以上）,1.in spring/summer/autumn/winter,2.in 1999/2012 in May,2012,3.in the morning/afternoon/evening,4.in September/May/June/July,5.in a year in a week,1 in +,四季,2 in +,月份,3 in +,年,/,年，月,/,月,At 1,天,On=1,天,介词,on at in,表方位,at,把地点，地方，位置当做一个,点,1.He is at home.,2.He is waiting for you at the bus stop.,3.Whos standing there at the door.,4.Im in,France,at,paris,.,On,把地点，地方，位置当作一个,平面,1 There was a No Smoking sign on the wall.,I live on the 7th floor at 21 Oxford street in London.,You are standing on my foot.,4 There are no prices on this menu.,in,把地点，地方，位置当作,一个范围或一个封闭的空间,1.I live in London,2.I live in England,at London.,3.I live in a big,city,my,sister lives at a small town.,