英语人教版五年级下册in on at 介词用法(教学PPT)

时间介词in,on与at的用法介词in,on与at都可用于表示时间的名词前，但用法各不相同，其区别在于：,1,一、用in的场合（1）表示“在某年、月、季节”这个含义时，须用介词in。例如：Shecametothiscityin1980.他于1980年来到这个城市。MothersdayisinMay母亲节在五月Itoftenrainshereinsummer.夏天这里常常下,2,（2）morning/evening/afternoon三个词跟介词in连用。例如：Icleanmyroomintheevening.我在晚上做作业。Theysometimesplaygamesintheafternoon.他们有时在下午做游戏。,3,（3）表示“从现在起一段时间以后”时，须用介词in。例如：Theywillgotoseeyouinaweek.他们将在一周后去看望你。,4,（1）表示“在某年、月、季节”这个含义时，须用介词in。（2）morning/evening/afternoon三个词跟介词in连用。（3）表示“从现在起一段时间以后”时，须用介词in。,5,二、用on的场合（1）表示“在具体的某一天”或“（在具体的某一天的）早上、中午、晚上”等，须用介词on。例如：JackwasbornonMay10th,1982.杰克生于1982年5月10日。Theyleftonarainymorning.他们是在一个雨天的早上离开的。HegotoChinaonasummerafternoon.他在一个夏天的下午去中国。,6,（2）表示“在星期几”或“在星期几的早上、中午、晚上”等，用介词on。例如：WedontgotoschoolonSaturdayandSunday.我们星期六和星期天不上学。Whendoyougetuponweekdays?你在平日什么时候起床？IheardthisstoryonSaturdaymorning.我是在星期六的早晨听到这个故事的。,7,（3）表示“在某一节日”时，须用介词on。例如：WeusuallyeatmooncakesonMid-autumnFestival.我们通常在中秋节吃月饼。MrHureceivedacardonTeachersDay.胡老师在教师节那天收到了一张卡片。,8,三、用at的场合（1）表示“某一具体时刻（即几点几分时）”，须用介词at。例如：Hegetsupatsixoclockeveryday.他每天六点起床。Igothomeatfivethirtyyesterdayafternoon.我昨天下午五点半到家。,9,（2）用在特定的时候（时节、时机）时，须用介词at。例如：Theywerehappyatthattime.他们那时很幸福。Ithinktheshopisclosedatthistime.我认为商店在这个时候关门了。,10,（3）“在noon、night”前，须用介词at。例如：Whatdoyouoftendoatnoon?你中午经常做些什么？Youcanseemanystarsintheskyatnight.夜晚你能看到天空中有许多星星。,11,注意：在含有next,last,this,one,any,each,every,some,all的词组和tomorrow,yesterday,thedayaftertomorrow,thedaybeforeyesterday前不用任何介词。例如：Whatdoyoudoeveryday？你每天都做什么？Whatdidyoudolastsummerholidays?去年暑假你做了些什么？Whatareyougoingtodotomorrow?后天你打算做什么?,12,Mygrandfatherwasborn_Oct.10,1935.,on,13,Idoexercises_seven_theevening,at,in,14,Mothersdayis_May,in,15,Whydidyougetupsoearly_thismorning.,in,16,Whendoyougetup_Monday?,on,17,Weoftenplayfootball_Saturdaymorning.,on,18,Weusuallyeatmooncakes_Mid-autumnFestival,on,19,HearrivedinShanghai_9:30_March5.,at,on,20,Whatareyougoingtodo_tomorrow?,21,练习,()1.-Thereisnothing_tomorrowafternoon,isthere?-No.Wecanhaveagameoftabletennis.A.onB.inC.outD.up()2.Alotofstudentsinourschoolwereborn_March,1981.A.inB.atC.onD.since()3.Hesuddenlyreturned_arainynight.A.onB.atC.inD.during()4.Mygrandfatherwasborn_Oct.10,1935.A.onB.inC.atD.of()5.Mikedoeshisexercises_seven_theevening.A.on;toB.at;inC.by;ofD.at;on()6.Childrenwakeupveryearly_themorningofChristmasDay.A.inB.onC.forD.at,22,()7.HewenttoShanghai_September3,1991andcameback_acoldmorninglastyear.A.in;onB.on;inC.on;onD.in;ia()8.MrsBrowncametoChina_1996.A.onB.ofC.to,D.in()9.AnnmovedHangzhou_September,1992.A.inB.onD.in()10.Theystartedoff_anautumnafternoon.A.duringB.atC.inD.on()11.Heoftengoes_school_sixthirty_themorning.A.for;to;inB.to;at;inC.to;for;atD,for;at;to()12.HearrivedinShanghai_9:30_March5.A.in;atB.on;atC.on;atD.at;on,23,练习,(A)1.-Thereisnothing_tomorrowafternoon,isthere?-No.Wecanhaveagameoftabletennis.A.onB.inC.outD.up(A)2.Alotofstudentsinourschoolwereborn_March,1981.A.inB.atC.onD.since(A)3.Hesuddenlyreturned_arainynight.A.onB.atC.inD.during(A)4.Mygrandfatherwasborn_Oct.10,1935.A.onB.inC.atD.of(B)5.Mikedoeshisexercises_seven_theevening.A.on;toB.at;inC.by;ofD.at;on(B)6.Childrenwakeupveryearly_themorningofChristmasDay.A.inB.onC.forD.at,24,(C)7.HewenttoShanghai_September3,1991andcameback_acoldmorninglastyear.A.in;onB.on;inC.on;onD.in;ia(D)8.MrsBrowncametoChina_1996.A.onB.ofC.to,D.in(A)9.AnnmovedHangzhou_September,1992.A.inB.onD.in(D)10.Theystartedoff_anautumnafternoon.A.duringB.atC.inD.on(B)11.H