20xx八年级上册英语unit1-3知识点及语法（人教版）

20xx八年级上册英语unitl-3学问点及语法(人教版)unitlwehadgreatfunplayinginthewater.我们在水中玩得很欢乐。havefun(in)doingsth.做某事很欢乐=enjoyoneselfwehadalotoffunswimminginthesea.ihavegreatfuntalkingwiththatlittlegirl.练一练(1)ihaveagoodtimeonthebeach.(同义句)ionthebeach.)wehavefun(sing)and(dance).2.ifoundasmallboycryinginthecorner.我发觉一个小男孩在角落里哭。findsb.doingsth.发觉某人正在做某事hesatdownandwatchedwangwangplaywithafriendblackcat.感官动词see,hear,feel,watch,listento,lookat,find(1)感官动词+宾语+动词原形强调看到/听到整个动作，或整个事务或行为的全过程(2)感官动词+宾语+此时此刻分词强调看到/听到其它双音节和多音节词皆在前面加单词more和most。【例】carefulmorecarefulmostcareful不规那么变更原级比拟级最高级good/wellbetterbestbadworseworstmany/muchmoremostlittlelessleast注：有些形容词一般没有比拟等级。如：right,wrong,woolen等。同步练习hisfatheristhanhismother.;a.olderfouryearsb.asfouryearsolderc.fouryearsolderd.biggerfouryearsmathsismorepopularthan.a.anyothersubjectb.allthesubjectsc.anysubjectd.othersubjectchinaislargerthaninafricaa.anyothercountryb.othercountriesc.theothercountryd.anycountrytomisstrongerthaninhisclass.a.anyotherboyb.anyboysc.anyboyd.otherboywhenspringcomes,itgets.a.warmandwarmb.colderandcolderc.warmerandwarmerd.shorterandshorterbyandby,studentsinourclasscametolikeenglish.a.moreandmoreb.muchandmuchc.manyandmanyd.lessandleastatlasthebegantocry.a.hardandhardb.morehardandmorehardc.harderandharderd.lesshardandlessharderwhenspringcomesthedaysgetandnightsa.short;longb.long;shortc.longer;shorterd.shorter;longerlookatthepicture,ilikeit.a.thebest;themoreb.themore;thelessc.themore;lessd.more;themore30.hereadthebook,hegotinit.a.themore;themoreinterestingb.theless;themoreinterestingc.themore;themoreinterestedd.more;moreinterested行动或事务正在进展isawhimcrossthestreet.我望见他过了公路。(从一边到另一边)isawhimcrossingthestreet.我望见他正过公路。(正在公路中间走着)练一练(1)ifoundadognearthedoor.a.wasstandingb.tostandc.standd.stoodsheheardalittleboyenglish.a.readingb.readsc.toreadd.isreading3.thatmademefeelveryhappy.那使我感到很欢乐。makesb.dosth.使某人做某事使役动词have,let,make后跟不带to的不定式作宾补letmehelpyou.i'llhavehimbringsomewater.练一练(1)helpingotherscanmakeusveryhappy.a.feelingb.tofeelc.feeld.felttheytheboyleaveatonce.a.askedb.toldc.keptd.mademotheroftenmemyhomeworkaftersupper.a.makes,doingb.lets,doingc.watched,todod.makes,dounit21.howoftendoyouexercise?->howoften+助动词do（does或did）+主语+dosth.?疑问词howoften是问频率（多经常），在这里助动词do（does或did）是起帮助构成疑问的作用onceaweek/threetimesamonth/threeorfourtimesamonth.练习.—is“lucky52//shownoncctv-2?—everyweek.（XX年，黄冈）a.howoftenb.howlongc.howsoond.howmanytimes2,asfor…意思是“至于；关于〃，常用于句首作状语，其后跟名词、代词或动词的-ing形式（即动名词）。如asforhim,ineverwanttoseehimhere.至于他，我恒久不盼望在这里见到。（1）.（至于，关于）clothes,shelikesclothesinfashion.3.wanttodosth.意思是“想要做某事”；wantsb.todosth.意思是“想要某人做某事"。如：doyouwanttogotothemovieswithme?你想和我一起去看电影吗？theteacherdoesn'twantustoeathamburgers.老师不想让我们吃汉堡包。练习：hismotherwantshimathometoday.a.staysb.stayedc.tostayd.staying4.begoodfor・••表示“对……有益（有好处）其反义为：bebadfor...o后接名词、代词或动名词；begoodat意为〃擅长后接名词、代词或ving形式。begoodwith意为“灵敏的；与……相处得好"；begoodto意为“对……友好。.(乌鲁木齐)1thinkdrinkingmilkisgoodourhealth.a.forb.toc.withd.at5.trytodosth.表示“尽力做某事”，不包含是否胜利的意思/trydoingsth.表示“（用某一方法）试着去做某事〃。如:yoifdbettertrydoingtheexperimentinanotherway.你最好试试用另一种方法做这个试验。练习：hemusthissisterwithhermath.a.tryhelpb.tryingtohelpc.trystohelpd.trytohelp6.helpsb.（to）dosth,帮助某人做某事•练习：eatingfruitandvegetablescanhelpyoumorevitaminsa.gotb.gettingc.togetd.gets7.bethesameas和・・・一样/反义词：bedifferentfrom和…不同练习：l.lifeinthecountryisquitethatinthecity.a.thesameb.differentfromc.fullofd.thesameas.isyourpenjim's?a.sameasb.thesamec.thesamewithd.thesameas.kindof=alittle/akindof意思是"一种"练习：howmanymedicineareusedforthechildrenofsixyearsold?a.kindofb.kindsofc.kindd.kinds9.keepingoodhealth=keephealthy=stayhealthy=behealthy保持安康thatsoundsinteresting.这是“主语+系动词+表语〃构造的简洁句。sound（听起来）,look（看起来）,smell（闻起来），taste（尝起来），feel（觉得），seem（好象），grow（变得），get（变得）等词在英语中可用作系动词,后跟形容词作表语。如：ittastesgood.这味道好。themusicsoundsverysweet.这音乐听起来很入耳。练习：weshouldkeepourclassroom.a.cleanedb.cleanc.cleaningd.tocleanlO.although意思是“虽然，尽管”引导的从句不能与but,however连用，但可与yet,still连用。although不能指假设的状况，不能作副词，放在词尾。练习：althoughheisveryold,heworksveryhard.a.andb.butc./d.sounit3'mmoreoutgoingthanmysister.T主语+动词+形容词比拟级别+than+比拟对象练习：idon'tthinkhenryisthantony.a.muchpopularb.morepopularc.populard.mostpopular2.insomeways在某些方面；inmanyways在多方面3.enjoydoingsth.=love\likedoingsth.宠爱做某事练习：sheenjoysbasketballonsundaysa.playbtoplaycplayingdhaveplayed4.as/so+形容词/副词（原形）+as和......一样它的否认式是：notas/so+形容词/副词（原形）+as和不一样练习：thismathproblemisthatone.a.notsoeasyasb.moreeasythanc.aseasierasd.easythan5.all用于三者或三者以上;both用于两者。同时要留意它们在句中的位置，即位于连系动词（be）,助动词（be,will,shall,should等），情态动词（can,may,must,haveto等）的后面；其它动词的前面。同步练习.therearelotsofcolorfulonsidesofthestreets.a.eachb.bothc.eitherd.all.whatareyourparents?theydoctors.a.areallb.arebothc.allared.bothare6.makesb.dosth.使某人做某事练习：l.thebossmakestheworker10hourseveryday.a.workb.toworkc.workingd.works.2.mrbeanenjoysjokesandoftenmakesusa.totell;tolaughb.tells;laughc.telling;laughd.telling;Iaughing7.stopdoingsth.意为“停顿（正在）做的事情”/stoptodosth.意为“停下（正在做的事）去做某事”语法：1.一般过去时1.一般过去时表示过去某个时间发生的动作或存在的状态，常和表示过去的时间状语连用。一般过去时也表示过去经常或反复发生的动作。动词过去式变更规那么：.一般在动词末尾力口七%如：pull-pulled,cook-cooked.结尾是e力口山如：taste-tasted.末尾只有一个元音字母和一个辅音字母的重读闭音节，应双写末尾的辅音字母,再加如:stop-stopped.以〃辅音字母+y〃结尾的，变y为i,再加・ed,如:study-studied同步练习gaoshan(pull)upcarrotslastnationaldayholiday.i(sweep)theflooryesterday,butmymother.whatshe(find)inthegardenlastmorning?she(find)abeautifulbutterfly.it(be)ben'sbirthdaylastfriday10.weall(have)agoodtimela