八年级英语上册Unit2Howoftendoyouexercise？SectionA（GrammarFocus-3c）课件（完整版）

Unit2

Howoftendoyouexercise?SectionA(GrammarFocus-3c)【自主归纳】

maybe与maybe的区别maybe副词,作状语,意为“也许、可能”,相当于perhaps,可位于句中或句首maybe“情态动词+动词原形”结构,作谓语,意为“可能是”【学以致用】Youmayberight.(改为同义句)

you

right.答案:Maybe;are【备选要点】atleast至少;不少于;起码【语境领悟】*Heplaysatleasttwiceaweek.他每周至少玩两次。*Itwilltakeatleastthreedaystofinishthework.完成这项工作至少需要三天的时间。【自主归纳】least是little的最高级,little的比较级是less。【归纳拓展】least的不同用法(1)least还可作副词,与形容词或副词的原级构成最高级,表示“最不……”。Bruceistheleastoutgoingofthethreeboys.布鲁斯是三个男孩中最不外向的。(2)least的反义词为most,其常见的词组为:atmost,意为“至多”。Thebookisatmostfiveyuan.这本书至多五元。【学以致用】①汤姆每周至少上网两次。TomsurfstheInternet

twiceaweek.②我认为它是我听过的故事中最没有趣味的。Ithinkitisthe

ofallthestoriesI’veheardof.答案:

①atleast②leastinteresting频度副词的用法【观察领悟】观察下列句子,想一想一般现在时及频度副词的用法。①LiLeiisverykindandalwaysreadytohelpothers.②Whattimedoyouusuallygetup?③Weoftengohometogetherafterschool.④Heistoobusy.HehardlyeverwatchesTV.⑤Maryisanhonestgirl.Shenevertellsalie.【知识构建】表示具体次数的频度副词一次(once)、两次(twice)都用具体特定的单词来表示,三次或三次以上用“基数词+times”表示表示不具体次数的频度副词某些频度副词不表示具体的频率、次数,但有其特殊的意义,如always,usually,often,sometimes,seldom,hardlyever,never对频度副词提问对频度副词提问常用howoften,意为“多久一次”【学以致用】1.David

goestothemoviesonweekends.Helikesactionmovies.A.never

B.hardlyC.hardlyeverD.often2.—DoyouknowifCindywilldrivetoItalythisweekend?—Cindy?Never!She

driving.A.hashatedB.hatesC.willhateD.hated3.Mr.Millerisveryheavybecausehe

exercises.A.often B.alwaysC.usually D.hardlyever一般现在时【观察领悟】仔细观察下列句子,想一想行为动词的一般现在时中,谓语动词何时用第三人称单数形式?句式变换中借用什么助动词?①Iwalktoschooleveryday.②HeoftenwatchesTVatnight.③Themoontravelsroundtheearth.④Doyoudoyourhomeworkeverynight?⑤Doeshelikesports?⑥Wedon’thaveanylessonsonweekends.⑦Shedoesn’tknowtheword.【知识构建】(1)含义:一般现在时表示经常性或习惯性的动作、现在的状态、主语具备的性格和能力、客观存在及普遍真理。(2)行为动词的一般现在时构成:肯定句主语+动词原形/动词第三人称单数形式+...一般疑问句Do/Does+主语+动词原形+...?否定句主语+don’t/doesn’t+动词原形+...【学以致用】1.Ilikegameshows.(用he作主语改写句子)

gameshows.2.Weplaysoccerafterschool.(改为否定句)We

soccerafterschool.3.Themanoftengoesfishing.(改为否定句)Theman

often

fishing.答案:1.Helikes2.don’tplay

3.doesn’t;go4.Theytakethesubwaytoschool.(改为一般疑问句)

they

thesubwaytoschool?5.Shecleansherroomeveryday.(改为一般疑问句)

she

herroomeveryday?答案:4.Do;take

5.Does;cleanⅠ.用所给词的适当形式填空1.Lucysometimes

(go)shoppingwithhermotheronweekends.2.Jimhardlyever

(watch)TVonschoolnights.3.

Lindaoften

(visit)hergrandparentsonweekends?答案:1.goes

2.watches

3.Does;visit

4.—What

youusually

(do)afterschool?—Ioften

(play)basketballwithmyfriends.5.—Howoften

Gina

(have)dancelessons?—

(two)aweek.答案:4.do;do;play5.does;have;TwiceⅡ.单项选择1.—What

yourfatherusually

afterdinner?—Heoftengoesoutforawalk.A.is;do B.does;doesC.do;do D.does;do2.—

doyougetyourhaircut?—Onceamonth.A.Howoften B.HowmanyC.When D.Howlong3.Holdontoyourdreamsand

giveup(放弃),thenyoucanmakeit.A.always B.sometimesC.never D.often4.—Whereismydictionary?Ican’tfindit.—Don’tworry.

youhaveleft