五年級(jí)上（譯林版）Unit7AtweekendsLesson3GrammartimeLearningtargets學(xué)習(xí)目標(biāo)1.能正確運(yùn)用頻率副詞。2.能自主探究do和does的用法及第三人稱(chēng)單數(shù)形式的變

化規(guī)則。Lookandsay看圖，說(shuō)一說(shuō)Mike的活動(dòng)。IalwaysIusuallyIoftenIsometimesReadandfind觀(guān)察四句話(huà)，你能發(fā)現(xiàn)什么？Ialwaysplaybasketballatweekends.IusuallyplayfootballwithLiuTao.IoftenwatchTVatweekends.Isometimeshaveapicnicinthepark.頻率副詞放在be動(dòng)詞后(am/is/are)放在行為動(dòng)詞前頻率副詞如：Iamalwaysbusyatweekends.lsometimesgotothecinema.ReadandfindMyweekendsSat.Sun.Sat.Sun.Sat.Sun.Sat.Sun.√√√√√√√√√√√√√√√√√√√√alwaysusuallyoftensometimes頻率副詞Learningtipalways，usually，often，sometimes是“頻率副詞”，用來(lái)表示動(dòng)作的頻率，即在一定時(shí)間內(nèi)動(dòng)作發(fā)生的次數(shù)。用星星來(lái)區(qū)分頻率的高低always：usually：often：sometimes：Grammartime關(guān)于頻率副詞alwaysusuallyoftensometimes總是有時(shí)經(jīng)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動(dòng)詞原形主語(yǔ)不是第三人稱(chēng)單數(shù)時(shí)，要請(qǐng)助動(dòng)詞do來(lái)提問(wèn)。Ioftenhavedinnerwithmygrandparents.Theyusuallyflyakiteandhaveapicnic主語(yǔ)不是第三人稱(chēng)單數(shù)時(shí)，動(dòng)詞使用原形。實(shí)義動(dòng)詞，做、干Let’sfind1.詢(xún)問(wèn)對(duì)方周末做什么問(wèn)句：Whatdoyoudoatweekends?答語(yǔ)：I/We+頻度副詞(always，usually，often，

sometimes...)+動(dòng)詞(短語(yǔ))原形(+其他).當(dāng)you表示復(fù)數(shù)概念(兩個(gè)或多個(gè)人)時(shí)，答語(yǔ)中要用we。Let’sfindWhat?hedoatweekends?shedoes動(dòng)詞原形主語(yǔ)是第三人稱(chēng)單數(shù)時(shí)，要請(qǐng)助動(dòng)詞does來(lái)提問(wèn)。Hesometimesgoestothepark.Shealwayshasdancinglessons主語(yǔ)是第三人稱(chēng)單數(shù)時(shí)，動(dòng)詞使用第三人稱(chēng)單數(shù)形式。實(shí)義動(dòng)詞，做、干Let’sfind2.詢(xún)問(wèn)他人周末做什么問(wèn)句：Whatdoes+主語(yǔ)(第三人稱(chēng)單數(shù))+doatweekends?答語(yǔ)：He/She+頻度副詞+動(dòng)詞第三人稱(chēng)單數(shù)形式

(+其他).he，she，單個(gè)人名或稱(chēng)呼。Let’sfind試著說(shuō)說(shuō)以下動(dòng)詞的第三人稱(chēng)單數(shù)形式吧！visit-visitschat-chatsdance-dancesplay-playsgo-goeswatch-watchespush-pushesfix-fixesguess-guessesfly-fliesstudy-studieshave-has一般情況下，在動(dòng)詞詞尾+(s)以s，x，o，ch，sh結(jié)尾的動(dòng)詞+(es)以輔音字母+y結(jié)尾的動(dòng)詞，y變(i)+(es)特殊變化要牢記。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動(dòng)詞三單形式的構(gòu)成規(guī)則：play→playschat→chatsvisit→visitsread→readsgo→goesdo→doeswatch→watchespush→pushesfly→fliestry→triesstudy→studieshave→has①.一般情況直接加s。如：play→plays②.以s、x、ch、sh和o結(jié)尾的動(dòng)詞加(es)。如：go→goes③.以輔音字母加y結(jié)尾的動(dòng)詞，變y為i，再加es。如：fly→flies④.有一些特殊變化的詞要熟記。如：have→hasLet’sfind主語(yǔ)不是三單，動(dòng)詞要用動(dòng)詞原形SuHaiandSuYangoften_____dinnerwiththeirgrandparentsatweekends.They____playingwithKitty.Helenalways____dancinglessons.

Shesometimes_____tothecinema.Mikeusually______ontheInternet.Heusually_____footballwithLiuTao.Hesometimes_____tothepark.havelikehasgoeschatsgoes主語(yǔ)是三單，動(dòng)詞要用第三人稱(chēng)單數(shù)playsSummary句型：Whatdo/does…doatweekends?……在周末做什么?動(dòng)詞三單式構(gòu)成規(guī)則1.直接+s

如：work-works2.以s，x，o，ch，sh結(jié)尾+es

do-does，teach-teaches，wash-washes3.輔音字母+y結(jié)尾，去y變i+es