Unit7AtweekendsLesson3Grammartime（课件）译林版英语五年级上册

五年级上（译林版）Unit7AtweekendsLesson3GrammartimeLearningtargets学习目标1.能正确运用频率副词。2.能自主探究do和does的用法及第三人称单数形式的变

化规则。Lookandsay看图，说一说Mike的活动。IalwaysIusuallyIoftenIsometimesReadandfind观察四句话，你能发现什么？Ialwaysplaybasketballatweekends.IusuallyplayfootballwithLiuTao.IoftenwatchTVatweekends.Isometimeshaveapicnicinthepark.频率副词放在be动词后(am/is/are)放在行为动词前频率副词如：Iamalwaysbusyatweekends.lsometimesgotothecinema.ReadandfindMyweekendsSat.Sun.Sat.Sun.Sat.Sun.Sat.Sun.√√√√√√√√√√√√√√√√√√√√alwaysusuallyoftensometimes频率副词Learningtipalways，usually，often，sometimes是“频率副词”，用来表示动作的频率，即在一定时间内动作发生的次数。用星星来区分频率的高低always：usually：often：sometimes：Grammartime关于频率副词alwaysusuallyoftensometimes总是有时经常通常Hesometimes

goestothepark.Shealways

hasdancinglessons.Iusually

visitmygrandparents.Weoften

havedinnerwiththem.位置ActthedialogueWhatdoyoudoatweekends?Ialways/usually/often/sometimes...ActthedialogueWhatdoyoudoatweekends?Ialwayscleanthetable.always：usually：often：sometimes：ActthedialogueWhatdoyoudoatweekends?Ialwayscleanthetable.always：usually：often：sometimes：ActthedialogueWhatdoyoudoatweekends?Ioftencook.always：usually：often：sometimes：Let’sfindWhat?youdoatweekends?theydo动词原形主语不是第三人称单数时，要请助动词do来提问。Ioftenhavedinnerwithmygrandparents.Theyusuallyflyakiteandhaveapicnic主语不是第三人称单数时，动词使用原形。实义动词，做、干Let’sfind1.询问对方周末做什么问句：Whatdoyoudoatweekends?答语：I/We+频度副词(always，usually，often，

sometimes...)+动词(短语)原形(+其他).当you表示复数概念(两个或多个人)时，答语中要用we。Let’sfindWhat?hedoatweekends?shedoes动词原形主语是第三人称单数时，要请助动词does来提问。Hesometimesgoestothepark.Shealwayshasdancinglessons主语是第三人称单数时，动词使用第三人称单数形式。实义动词，做、干Let’sfind2.询问他人周末做什么问句：Whatdoes+主语(第三人称单数)+doatweekends?答语：He/She+频度副词+动词第三人称单数形式

(+其他).he，she，单个人名或称呼。Let’sfind试着说说以下动词的第三人称单数形式吧！visit-visitschat-chatsdance-dancesplay-playsgo-goeswatch-watchespush-pushesfix-fixesguess-guessesfly-fliesstudy-studieshave-has一般情况下，在动词词尾+(s)以s，x，o，ch，sh结尾的动词+(es)以辅音字母+y结尾的动词，y变(i)+(es)特殊变化要牢记。Let’stryDifferentpeople___(do)differentthingsatweekends.SuHaiandSuYangoften_____(have)dinnerwiththeirgrandparents.Mikeusually_____(fly)akiteand____(have)apicnicwithhisfamilyinthepark.Helenalways______(learn)aboutdancing.Sometimesshe_____(go)tothecinemawithfriends.What___you____(do)atweekends?dohaveflieshaslearnsgoesdodoGrammartimeWhatdo

youdoatweekends?I

often

gotothepark.GrammartimeWhatdo

youdoatweekends?We

sometimes

playbasketball.Let’sfind动词三单形式的构成规则：play→playschat→chatsvisit→visitsread→readsgo→goesdo→doeswatch→watchespush→pushesfly→fliestry→triesstudy→studieshave→has①.一般情况直接加s。如：play→plays②.以s、x、ch、sh和o结尾的动词加(es)。如：go→goes③.以辅音字母加y结尾的动词，变y为i，再加es。如：fly→flies④.有一些特殊变化的词要熟记。如：have→hasLet’sfind主语不是三单，动词要用动词原形SuHaiandSuYangoften_____dinnerwiththeirgrandparentsatweekends.They____playingwithKitty.Helenalways____dancinglessons.

Shesometimes_____tothecinema.Mikeusually______ontheInternet.Heusually_____footballwithLiuTao.Hesometimes_____tothepark.havelikehasgoeschatsgoes主语是三单，动词要用第三人称单数playsSummary句型：Whatdo/does…doatweekends?……在周末做什么?动词三单式构成规则1.直接+s

如：work-works2.以s，x，o，ch，sh结尾+es

do-does，teach-teaches，wash-washes3.辅音字母+y结尾，去y变i+es