小学英语必须掌握的6大时态

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1、小学英语必须掌握的6大时态一般现在时三大用法规律性的动作XiaoFanhasthreebowlsofricefordinneronFridays.DaQiangsleepswiththeduckeveryday.现在的状态Iamateacher.Youareastudent.Heisapoliceman.Thereisasnake.真理Thesunisbiggerthantheearth.Theearthtravelsaroundthesun.三单动词第三人称单数变化规则一般：加s二般：以s、x、ch、sh、o结尾，加es三般：以辅y结尾，变y为i加es四特：have→h

2、as三单使用条件不是我，不是你，并且只有一个肯定句、否定句、疑问句Iamateacher.Heis30yearsold.Weareclever.Iamnotadancer.Heisnot13yearsold.Wearenotstupid.Areyouateacher?Ishe30yearsold?Areyouclever?Ieat2eggseveryday.Idon'teat2eggseveryday.Doyoueat2eggseveryday?Sheeats20eggsaweek.Shedoesn'teat20eggsaweek.Doessheeat20eggsaweek?一般过

3、去时描述过去发生的事肯定句、否定句、疑问句Iwasinaquietstreet.Iwasnotinaquietstreet.WasIinaquietstreet?(Wereyouinaquietstreet?)Ihadadreamlastnight.Ididn'thaveadreamlastnight.DidIhaveadreamlastnight?(Didyouhaveadreamlastnight?)动词过去式变化规则动词过去式，ed来结尾一般直接加，见e只加d辅y结尾y变i，再加ed重读辅元辅，双写尾字母常见不规则动词过去式大全时间标志词yesterday…agolast…t

4、hedaybeforeyesterdayjustnowthismorningin2008一般将来时描述将来发生的事肯定句、否定句、疑问句Tigerswillbeakindofvehicle.Tigerswillnotbeakindofvehicle.(willnot=won't)Willtigersbeakindofvehicle?Carswillruneverywhere.Carswon'truneverywhere.Willcarsruneverywhere?时间标志词tomorrowsoonfromnowoninthefuturenext+in+begoingto两大用法1打

5、算做某事I'mgoingtobeasinger.SheisgoingtolearnFrench.2根据现象作出推断It'sgoingtorain.Sheisgoingtofaint.（她要晕了。）特别注意很多时候will和begoingto可以换用，需要特别注意的是，当一件事不以人的主观意志为转移，客观上必然发生时，只能用will。如：ItwillbeSaturdaytomorrow.Iwillbe40yearsoldtomorrow.现在进行时结构amisdoingareIamreading'Sanzijing'.XiaoPangisreading'Sanzijing'.Xiao

6、Shouisreading'Sanzijing'.Wearereading'Sanzijing'.两大用法描述此刻正在进行的动作标志词：nowrightnowatthemomentlooklistenLook!Thesnakeiseatingthecrocodile.TomiscatchingJerryatthemoment.描述现阶段正在进行的动作标志词：thesedaysthistermthisweekI'mreading HarryPotter thesedays.Wearelearningsciencethisterm.现在分词现在分词的变化规则现在分词ing变法有4般一般

7、直接加见e去e加重读辅元辅双写尾字母ie结尾变为Y再把ing加过去进行时结构wasdoingwereXiaoPangwassleepingatthistimeonJune6th.两大用法描述过去某个时刻正在进行的动作标志词：atthistimeyesterdayat9pmthedaybeforeyesterdayTomwascatchingJerryatthistimeyesterday.描述过去某个时段正在进行的动作标志词：thewholemorningallday