ay--------May1st--------7o'clock--------Sundayafternoonatinon典例探究atseveno'clockathalfpastelevenat7:00a.m常构成表示时间的固定搭配atnightatnoonatChristmas常用来表达某一具体的点刻时间at典例探究in2017inspringinMayinthemorningintheafternoonintheevening用在表示“一段时间”的名词之前,如:年份、月份、季节、在上午/下午/晚上等in典例探究onMondayonApril1stonmybirthdayonChildren'sDayonFather'sDay用于表示具体的某一天。on温馨提示onSundayafternoononthemorningofMay18thonacoldwinternight具体某一天的上午、下午和晚上用介词on.灵活运用1、Mybrotherlikeswimmingsummer.A、onB、atC、in2、?Heoftengetslotsofpresentshisbirthday.A、inB、atC、灵活运用1、Iusuallygotobedhalfpastten.2、Tomoftenplaysbasketballsundaymorning.3、TheboywasbornJanuary,2009.4、WewillhaveanEnglishpartyFebruary.5、Igetup7o'clockeveryday.6、WhatdoyouhaveTuesday.atinonatonininaton本课小结常用来表达某一具体的点刻时间用在表示“一段时间”的名词之前,如:年份、月份、季节、在上午/下午/晚上等in用于表示具体的某一天。具体某一天的上午、下午和晚上用介词on.aton