Unit 3 Keep fit 知识点课件单元语法沙龙

单元语法沙龙Unit3KeepFit找一找下面句子中的频度副词或名词性物主代词并写出名词性物主代词指代的内容1.Ialwaysexercise.____________________________2.Inevershoponline.

____________________________3.Isometimesgetupearly.

____________________________4.Mycarissmallerthanhis.

____________________________5.Thatbookoverthereismine.

____________________________alwaysneversometimeshis;指代hiscarmine;指代mybook考点1名词性物主代词的形式敲黑板:物主代词分为形容词性物主代词和名词性物主代词两种。名词性物主代词是物主代词的一种，用于代替前面提到过的人或事物，相当于名词。具体形式如下：一名词性物主代词单数复数物主代词第一人称第二人称第三人称第一人称第二人称第三人称形容词性物主代词myyourhisheritsouryourtheir名词性物主代词mineyourshishersitsoursyourstheirs含义我的你的他的她的它的我们的你们的他(她，它)们的考点2名词性物主代词的用法1.在句中可独立使用,相当于“形容词性物主代词+名词”,故其后不能接名词。·Lookatthetwopencils.Theredoneisyours,andtheblueoneismine.看那两支铅笔，红的是你的，蓝的是我的。·Thisismypencilandthatishers.这是我的铅笔，那是她的。=yourpencil=mypencil=herpencil2.在句中作主语、宾语、表语等。作主语时,谓语动词的单复数由名词性物主代词指代的名词的数决定。·Mybikeiswhiteandhisisblack.我的自行车是白色的，他的是黑色的。(作主语)·Thisismybaseballgloveandthatisyours.这是我的棒球手套，那是你的。(作表语)=hisbike，是单数，所以be动词用is。=yourbaseballglove考点1频度副词的种类：1.不表示具体次数的频度副词(按频率从高到低排列):always(总是)>usually(通常)>often(经常)>sometimes(有时)>seldom/hardlyever(几乎不；很少)>never(从不)·Shealwaysarrivesat7:30.她总是7:30到。·Weoftenplaybasketballafterschool.我们经常放学后打篮球。二频度副词(3)everytwodays每两天everyotherday每隔一天·Icleanmyroomeverytwodays.我每两天打扫一次我的房间。·Hegoestohospitaleveryotherday.他每隔一天去一次医院。2.表示具体的频率、次数时，通常用once，twice，threetimes...次数构成频率的表达方式。(1)次数+a+时间(年/月/日/分钟……)·onceayear每年一次·twiceamonth每月两次·Iplayfootballtwiceaweek.我一周踢两次足球。(2)次数+every+基数词+时间(年/月/日/分钟……)·onceeveryfouryears每四年一次·seventimeseverytwominutes每两分钟七次考点2频度副词的位置：一般放在实义动词之前，be动词、助动词、情态动词之后。有时为了强调，频度副词也可位于句首。·Shealwaysgetsupat6a.m.togoforarun.她总是早上6点起床去跑步。·Iamalwaysontimeforwork.我上班总是很准时。·Hehasneverbeenlateforclass.他上课从未迟到过。·Youshouldoftenexercisetostayhealthy.你应该经常锻炼以保持健康。·Always,remembertothankthepeoplewhohelpyou.永远记住要感谢帮助你的人。考点3对频度副词提问：常用howoften，表示“多久一次”。·—Howoftendotheyplaybasketball?他们多久打一次篮球？—Twiceaweek.一周两次。一单项选择1.[南通]Jackiscrazyaboutsports.He______takespartintheschoolsportsmeeting.A.never B.seldomC.sometimes D.alwaysD2.—Howoftendoyouplayfootball,Peter?—______.A.Foroneweek B.OneweekagoC.Inoneweek D.Onceaweek3.—Mary,isthisyoursister’ssmartwatch?—No,______ispink.A.his B.mineC.hers D.yoursDC4.—Amy,thereisabookonthefloor.Isit______?—No,it’snotmine.Mybookisonthedesk.A.you B.yoursC.your D.yourself5.—Jim,mayIborrow______dictionary?—Oh,sorry.______isathome.A.your;Mine B.your;MyC.yours;Mine D.yours;MyBA二用括号内所给单词的适当形式填空6.Tonydoesn’tlikesportsandhedoesexerciseonly______(one)aweek.7.HisEnglish-Chinesedictionaryisdifferentfrom______(I).oncemine8.—Isthisyourdictionary?—No,maybeit’s______(her).Sheislookingforit.9.Thereissomethingwrongwithmycomputer.CouldIuse______(you)?10.Mydreamistobeanaccountantand______(his)istobeanengineer.hersyourshis三用always，usually，often，sometimes，seldom和never完成短文I11.______

wakeupat7a.m.andIam12.______

lateforschool.Ithelpsmestartmydaywithenergy.Aftergettingready,I13.

_________haveabowlofcereal(麦片)forbreakfast.Atschool,Ioftentakeanactivepartindifferentkindsofactivities.Afterschool,I14.

_____gotothegymwithmyclassmatestoplaybasketball.However,whenit