人教版英语七年级下册一单元语法解析

情态动词can用法1.没有人称和数的变化。2.后跟动词原形。A）用法a表示某种用能力e.g.Icandance.b表示请求或许可e.g.YoucanbuytheT-shirt.B）句式结构(与be动词用法相似）a肯定句主语+can+动词原形+其他e.g.Tomcanplaysoccer.b否定句主语+cannot/cannot/can’t+动词原形+其他e.g.Icannot/can’t/cannotplaybasketball.c一般疑问句can+主语+动词原形+其他肯定回答：Yes,主语+can否定回答：No，主语+can’t(主语一致)e.g.--CanyousingthissonginEnglish?--Yes,Ican./No,Ican’t.--CanMaryplaytennis?--Yes,shecan./No,shecan’t.Canyourewritethem?•Icanplaythechess.(改为一般疑问句）•ShecanspeakChinese.（改为否定句）•Canyourbrotherplaybasketball.（作肯定回答）•CanTomandAmydraw?（作否定回答）Canyouplaychess?Shecan’tspeakChinese.Yes,hecan.No,theycan’t.speakEnglishspeak:vt.说（某种语言）speak+语言IcanspeakEnglish.vi.说话speaktosb.Speaktomeplease./Thebabycanspeak.say:vt.说（具体内容）Hesays“Hello”CanyousayitinEnglish?tell:告诉；讲述（故事/笑话）tellsbtodosth告诉某人去做某事tellsbaboutsth告诉某人（关于）某事tellstories/jokestalk:交谈，谈论talkto/withsb与某人交谈talkaboutsth交谈（关于）某事He_____thathecan______Chinese.playtheguitarplaychessIBM的“深蓝”计算机就打败了国际象棋世界冠军卡斯帕罗夫。但是，即使是现在最先进的机器人，也还不能像五岁大的孩子一样熟练地识别或移动现实生活中棋盘上的棋子。play:1.play+球、牌、棋e.g.playsocer2.play+the+乐器e.g.playtheguitar3.playwithsb./sth.与某人玩；玩某物e.g.Don’tplaywithfire.Jane:Hi,Bob.Whatclubdoyouwanttojoin?Bob:Iwanttojoinasportsclub.join,joinin,takepartin区别join：参加某组织、社团、党派并成为其中的一员，身份发生变化。joinin：参加活动、比赛、游戏，身份不发生大的变化。takepartin：参加会议或群体性活动，并在其中起积极作用。joinsb.indoingsth.加入某人做某事e.g.Hejoinstheminplayingbasketball.sports:1、n.sport（C.）的复数形式e.g.Idosportseveryday.2、adj.体育的，运动的e.g.Ineedapairofshoes______formyP.E.class.sportssportssportingsports’sport’ssportsclubsportsmeetingsportsclothessportscentersportscarGuessthemeaingJane:Great!Whatsportscanyouplay?Bob:Soccer.Jane:Soyoucanjointhesoccerclub.Bob:Whataboutyou?You’reverygoodattellingstories.Youcanjointhestorytellingclub.begoodat+doingsth.擅长做某事+sth.在某方面擅长同义：dowellinsth.Sheisn’tgoodatmath.•IamgoodatEnglish.•IamgoodatteachingEnglish.begoodwith…善于应对…的Areyougoodwiththeold?begoodto…对…好Readingisgoodtoyou.begoodfor…对…有益处.Milkisgoodforyourhealth.=Shedoesn’tdowellinmath.tell的常见短语•tellstoriestellastory讲故事•tellliestellalie说谎•telljokestellajoke讲笑话•tellthetruth说实情，讲事实•tellAfromB分辨A和B，把A、B分开Jane:Soundsgood.ButIliketodraw,too.Bob:Thenjointwoclubs,thestorytellingclubandtheartclub!Jane:Ok,let’sjoinnow!sound:v.听起来1）sound+adj.听起来.....Yousoundhappy.你说话听起来挺开心呀。2）soundlike+名词听起来像.....Thatsoundslikehe'scomingin.听起来好像是他进来了。sound:n.声音Thesoundfromtheclassroomsoundssweet(甜美的）.Canyousingordance?orconj.或，或者此处用于选择疑问句,是指说话人提出两种或两种以上的答案,供对方选择。选择疑问句多用or连接并列的成分。用于引出另一种可能性。Isthathatred，yelloworblue？那顶帽子红的、黄的还是蓝的？Isthataboyoragirl？那个是哪还还是女孩？or用法•1，否定句中and变成or•Canyoudanceorsing?•2,选择疑问句构成，疑问句+or+选项•直接回答选项，无需Yes/No•Whatcanyoudo,singordance?•Icandance2aReadthethreedescriptionsaboutPeter,AlanandMaHuan.Underlinewhattheycando.Hello,I’mPeter.Iliketoplaybasketball.IcanspeakEnglishandIcanalsoplaysoccer.alsoadv.也,亦;还用于实义动词之前,其他动词之后。Hecan(情态动词）alsoplay（实义动词)theguitar.Iam(be动词）alsoateacher.Weneedhelpattheoldpeople’shome.HelpforOldpeoplehelp:n./v.n.withthehelpof=withone’shelp在某人的帮助下WiththehelpofBob,Icanswim.=IcanswimwithBob’shelp.v.helpsb.withsth.在某方面帮助某人helpsb.dosth.帮助某人做某事can’thelpdoingsth.情不自禁做某事home，family，house区别home：家。指一个的出生地或居住地，具有抽象含义。family：家庭。指家庭所有成员组成的一个集体。house：房子。指供家人住的房子，具体的建筑物。AreyoufreeinJuly?Areyougoodwitholdpeople?Canyoutalktothemandplaygameswiththem?Theycantellyoustories,andyoucanmakefriends.Itisinterestingandfun!Pleasecallusat689-7729today!makefriends(withsb.)(与某人)交朋友makev.制作，做，使Bobwantstomakeachair.Iwillmakethelunchforyou.Shewantstomakeeveryonehappy.make短语makesb./sth.+adj.是某人/物呈现……状态Shewantstomakeeveryonehappy.makesb.dosth.使某人做某事Mymothermakesmeswim.HelpwithsportsinEnglishAreyoubusyafterschool?No?CanyouspeakEnglish?Yes?ThenweneedyoutohelpwithsportsforEnglish-speakingstudents.Itisrelaxingandeasy!PleasecometotheStudents’SportsCenter.CallMr.Brownat293-7742.MusicTeacherwantedCanyouplaythepianoortheviolin?Doyouhavetimeontheweekend?Theschoolneedshelptoteachmusic.Itisnotdifficult.PleasecallMrs.Millerat555-3721.=befree此处表目的。Completetheadwiththewordsinthebox.3aguitarcancalldancemusicplayMusicianWantedforSchoolMusicFestivalDoyoulike______?Canyousingand______?Canyou____thepianoortheviolin?Canyouplaythe______orthedrums?Thenyou____beinourschoolmusicfestival.Please____Mr.Zhangat622-6033.musicdanceplayguitarcancallbein+组织：成为……一员Doyoulikesports?Areyougoodwithchildren?Weneedhelpwithsportsinthesportsclubinourschool.Canyouswim?Canyouplayvolleyballortennis?Canyouplaybasketballorsoccer?ThenyoucanbetheP.E.teacherinourschool.CallMr.Wuat337-6013.P.E.TeacherWantedforSchoolSportsClub示例：