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1、补充讲义介词专题一、概念:介词,是用來表明名词、代词等与句中其他词的关系的词。二、介词的用法:I、表示时间的(【at、on、in]、before、after)★[in,at,on作为时间介词的区别】[in]1.表示在较长的时间里(如周/月份/季节/年份/世纪等)。如:inaweek:inMay;inspring/summer/autumn/winter;in2008;inthe1990's等。2.表示在上午、下午或晩上。如:inthemorning/afternoon/eveningo3.inthedaytime(在白天)属于固定搭配,指从口出到日落这一段时间反义词
2、inthenight4.“in+—段时间"表示,哆久以后/以内”,常与将来时连用。如:inhalfanhour;intenminutes;inafewdays等。[on]1.表示在具体的某一天(如H期、牛H、节FI或星期儿)。如:onMay4th,1919;onMonday;onTeachers,Day;onmybirthday;onthatday等。2.表示某一犬的上午、卜•午或晚上。如:onthemorningofJuly2;onSundayafternoon;onacoldwinterevening等°[at]1.表示在某一具体时刻,即几点几分。如:atsix
3、o'clock;athalfpastnine;ataquartertosix;atthistime等。2.表示在某一短暂的时间。如:atnoon;atthismoment;attheendofayear;atthestartoftheconcert等。★表示前后用before,afterA.before:在….之前e.g.Comeandseemetomorrowatanytimebeforeelevena.m.shegetsupbefore7o'clockeverymorning.B.after:在….之后e.g.Springcomesafterwinte匚afte
4、rlunch午餐Z后★表示时间的起点用from从起(时间)e.g.Hestudiedfrom2cfclockto4o^clockyesterdayafternoon.【注意】下列表示时间的状语前不加介词1.当有today,yesterday,tomorrow,tonight,yesterday/tomorrowmorning(afternoon,evening)等时间状语时,其前不用介词。(1)Therewasafootballmatchyesterdayevening・(2)Theywillgotothezooiomorrow.2、由this,that,these
5、,those等构成的短语前不用介词。(1)Fllvisitmygrandparentsthisweek・(2)Theyarepickingapplesonthefarmthesedays・3、由形容词last,next等指示代词修饰的名词词组用作时间状语时不用介词。(1)1sawhiminthestreetsometimelastweek.(2)Pleasecometoschoolearliernexttime.4、在以Theday(week,month,year)+before/after../9构成的时间状语前不用介词。(1)Wheredidyougotheda
6、ybeforeyesterday?(2)TheyJIhaveapartythedayaftertomorrow.5、由every,each等表示频率的副词构成的短语用做时间状语时…其前不用介词。(1)DoyouwatchTVeveryday?(2)Theygotoschoolbybikeeachday.【趁热打铁】-、选择题()1・Hewillbebacktwoweeks^time.A.atB.inC.afterD.for()2.1gotoschoolMondaytoSaturday.A.onB.fromC.toD.between()3.Hegoesskatingw
7、interandgoesswimmingsummer.A.at.atB.in・inC・oilonD.from,to()4.Wehaveclasses8am3pmeveryday.A.from,toB・at.atC.untiLtoD.at.to)5.Thefirstclassbegins8(/clockthemorning.A・at/onB.at/inC・on/inD.on/on()6•-Howlongdoyoustudyeveryevening?—threehours.A.InB.AtC.ForD.Of()7.Teachers'DayisSeptember10t