Unit3KeepFitSectionAGrammarFocus课件人教版七年级英语下册

KeepFitUnit3SectionAGrammarFocusLearningobjectives1.masterthekeywordsandsomephrases；2.knowtheusageof“possessivepronouns”；

3.knowtheusageof“adverbsoffrequeney”.Inthislesson,wewillbeableto:Lead-inLet’ssing!Excuseme,isthisyourping-pongbat/…?Yes,that’smine.Thanks!/No,that’snotmine.Ithinkit’shers/…Doyouoftenplayfootball/basketball/badminton/…?Yes,Ioftenplayfootball/basketball/badminton/…twoorthreetimesaweek/…Howoftendoyou…?Ioften/sometimes/hardlyever…Readthesentences.Decidewhatthepronounsinredreferto.Circletheadverbsoffrequencyandputtheminorderfromtheleasttothemostoften.Isthisbaseballgloveyours?Yes,that’smine.Thankyour.Whosebadmintonracketisthis?Ithinkit’sHanLin’s.Hishas“HL”onit.Doyouoftenplayping-pong?Yes,Iplayonce/twice/threetimesaweek.Howoftendoyouplayfootball?Iplayittwiceaweek,usuallyatweekends.Iseldom/hardlyeverplayit.Ineverdo.思考：形容词性物主代词和名词性物主代词的用法是什么？Yes,Ido.

Doyoulikesport?AnactivityTalkaboutsport.Tom,isthisyourbaseballbat?No,it’shers.It’sherbaseballbat.

Tom,isthisyourbasketball?Yes,it’smine.It’smybasketball.

Isthisbaseballgloveyours?Yes,that’smine.Thankyour.Whosebadmintonracketisthis?Ithinkit’sHanLin’s.Hishas“HL”onit.Doyouoftenplayping-pong?Yes,Iplayonce/twice/threetimesaweek.Howoftendoyouplayfootball?Iplayittwiceaweek,usuallyatweekends.Iseldom/hardlyeverplayit.Ineverdo.never<seldom(hardlyever)<once/twice/threetimesaweek<often<usually

单数复数形容词性物主代词my(我的)our(我们的)your(你的)your(你们的)his/her/its(他

/

她

/

它的)their(他们

/

她们

/

它们的)名词性物主代词mine(我的)ours(我们的)yours(你的)yours(你们的)his/hers/its(他

/

她

/

它的)theirs(他们

/

她们

/

它们的)物主代词是表示所有关系的代词，分为形容词性物主代词和名词性物主代词。具体见下表：物主代词Isthisyourbaseballbat?

No,it’snotmine.It’shers.Isthisyourbasketball?

Yes,it’s

mine.It’smy

basketball.Isthisyourtennisball?

No,it’shis.It’shistennisball.Arethesetheirsoccerballs?Yes,they’retheirs.Whatrulescanyoufind?

频度副词表示动作频繁程度的副词叫做频度副词。常见的频度副词有always,sometimes,seldom(hardlyever),usually,often,never等。★常见的频度副词按频率大小排列如下：always(总是)>usually(通常)>often(经常)>sometimes(有时)>seldom(hardlyever)(很少)>never(从不)。★频度副词的位置：频度副词通常放在实义动词之前，be动词、助动词或情态动词之后，但有些频度副词如often，sometimes等位置比较灵活，还可以放在句首或句尾。如：Mybrotherusuallyhasaneggforbreakfast.Samisalwayshappy.Mrs.Leecanseldomwatchamovieonweekdays.Herdadsometimesgoestoworkonfoot./Sometimesherdadgoestoworkonfoot./Herdadgoestoworkonfootsometimes.Presentationalways总是usually通常often经常AdverbsoffrequencyPresentationsometimes有时seldomrarelyhardlyevernever从不Adverbsoffrequencyseldom很少rarely极少hardlyever几乎不➷例如：Ialwaysplaytennisnearmyhouse.我总是在我家附近打网球。Weusuallypractisethreetimesaweekafterschool.我们通常放学后每周练习三次。Ioftengoswimmingbecauseitkeepsmehealthy.我经常去游泳，因为它让我保持健康。Practice3a.Circletheadverbsoffrequencyandputtheminorderfromtheleasttothemostoften.Doyouoftenplayping-pong?Yes,Iplayonce/twice/threetimesaweek.Howoftendoyouplayfootball?Iplayittwiceaweek,usuallyatweekends.Iseldom/hardlyeverplayit.Ineverdo._______<____________<_______<_______<______neverhardlyeverseldomoftenusuallySometimesIhaveeggsandbeans.有时我吃鸡蛋和豆子。Iseldom/hardlyever

seemyfriendLucynow.我现在很少见到我的朋友露西。Akindwordis

neverlost.良言一句三冬暖。Practice●Iplayittwiceaweek,usuallyatweekends.表示某事发生的次数的方式：once（一次）、twice（两次），三次及三次以上都用具体数词加times，如threetimes（三次）、tentimes（十次）。可用“a”加一个表示时间段的词，表示一件事在一段时间内发生的次数。如：twiceaweek,threetimesamonthWhatdoyouknowaboutpossessivepronouns?物主代词是表示所有关系的代词。Readthesentences.Decidewhatthepronounsinredreferto.Isthisbaseballgloveyours?Yes,that’smine.Thankyou.Whosebadmintonracketisthis?Ithinkit’sHanLin’s.Hishas“HL”onit.mybaseball

gloveHanLin’s

badmintonracketPossessivepronounsPractice●Iplayittwiceaweek,usuallyatweekends.如果这个时间段的数量大于1，可以这样表示这段时间事情发生的次数，如：threetimesintwoweeks,fivetimesinthreemonths可用

如下方式表示某事每隔一段时间发生：everyday/week/month每天/每周/每月everyotherday/week/month每隔一天/一周/一月Let'slearnandtakenotes.Itis+adj.+todo”句型，意思是“做某事是……（形容词所表达的性质）的”。句讲练It'sadj.forsbtodosth.

对某人来说，做某事是••••••的。这里的形容词(easy,difficult,necessary,dangerous)描述事物特征It'sadj.ofsbtodosth.某人做某事是••••••的。这里的形容词(kind,brave,stupid,clever,wise等)描述人物性格、品质It'sdangerousforachildtostayathomealone.对一个孩子来说,自己一个人待在家里是很危险的。It'sveryniceofyoutolendanumbrellatome.你把雨伞借给我,真是太好了。例It'simportant______(for/of)ustolearnaforeignlanguage.

2.It's______(kind/difficult)ofhimtohelptheoldmancrosstheroad.3.It'snecessary______(for/of)studentstodohomeworkeveryday.forkindfor(1)形容词性物主代词起形容词的作用，用在名词前。例如：—Isthisyourfootball?

—这是你的足球吗?

—Aremycrayonstheretoo?

—我的蜡笔也在那里吗?

Possessivepronouns➯

物主代词是表示所有关系的代词、分为形容词性物主代词和名词性物主代词两种。—Yes,itis.—是的，是我的足球。—Yes,theretheyare.—是的，在那里。(2)名词性物主代词相当于名词，不能用于名词前，说话时要加重语气。例如:A:Isthisyourpen?B:No,itisn’t.Thebluepenismine.A:Thereisaping-pongbathere.Isityours?这里有一把乒乓球拍。是你的吗？B:No,itisn’tmine.IsitElla’s?C:No,hersisathome.

这是你的钢笔吗？不，不是。那支蓝色钢笔是我的。不，它不是我的。是埃拉的吗？不，她的球拍在家。一、将下列句子改为同义句。1.ThatismyblueT-shirt.____________________________________________________2.ArethoseCDsyours?____________________________________________________3.ThenameofitisKiki.____________________________________________________4.Isthishistelephone?____________________________________________________5.Theserulersareours.____________________________________________________ThatblueT-shirtismine.ArethoseyourCDs?ItsnameisKiki.Isthistelephonehis?Theseareourrulers.二、将下列汉语句子翻译成英语。1.Peter从来不在河(river)