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八年级(上)unit1-3单元知识要点复习Unit1Wheredidyougoonvacation?1.Wehadgreatfunplayinginthewater.我们在水中玩得很高兴。havefun(in)doingsth.做某事很高兴=enjoyoneselfWehadalotoffunswimminginthesea.Ihavegreatfuntalkingwiththatlittlegirl.练一练(1)Ihaveagoodtimeonthebeach.(同义句)I______________onthebeach.(2)Wehavefun______(sing)and______(dance).2.Ifoundasmallboycryinginthecorner.我发现一个小男孩在角落里哭。findsb.doingsth.发现某人正在做某事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，或整个事件或行为的全过程（2）感官动词+宾语+现在分词强调看到/听到行动或事件正在进行Isawhimcrossthestreet.我看见他过了马路。（从一边到另一边）Isawhimcrossingthestreet.我看见他正过马路。（正在马路中间走着）练一练(1)Ifoundadog______nearthedoor.A.wasstandingB.tostandC.standD.stood(2)Sheheardalittleboy______English.A.readingB.readsC.toreadD.isreading3.Thatmademefeelveryhappy.那使我感到很愉快。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)Helpingotherscanmakeus______veryhappy.A.feelingB.tofeelC.feelD.felt(2)They_____theboyleaveatonce.A.askedB.toldC.keptD.made(3)Motheroften______me______myhomeworkaftersupper.A.makes,doingB.lets,doingC.watched,todoD.makes,doUnit2Howoftendoyouexercise?1.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.A.HowoftenB.HowlongC.HowsoonD.Howmany2.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，我永远不希望在这里见到。(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：Hismotherwantshim___athometoday.A.staysB.stayedC.tostayD.staying4.begoodfor...表示“对……有益（有好处）”。其反义为：bebadfor...。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“灵巧的；与……相处得好”；begoodto意为“对……友好。(1).1thinkdrinkingmilkisgood____ourhealth.A．forB.toC.withD.at5.trytodosth.表示“尽力做某事”，不包含是否成功的意思/trydoingsth.表示“（用某一办法）试着去做某事”。如:You’dbettertrydoingtheexperimentinanotherway.你最好试试用另一种方法做这个试验。练习：Hemust_____hissisterwithhermath.A.tryhelpB.tryingtohelpC.trystohelpD.trytohelp6.helpsb.(to)dosth.帮助某人做某事练习：Eatingfruitandvegetablescanhelpyou______morevitaminsA.gotB.gettingC.togetD.gets7.bethesameas和…一样/反义词：bedifferentfrom和…不同练习：1.Lifeinthecountryisquite_______thatinthecity.A.thesameB.differentfromC.fullofD.thesameas2.Isyourpen_______Jim’s?A.sameasB.thesameC.thesamewithD.thesameas8.kindof=alittle/akindof意思是“一种”练习：Howmany______medicineareusedforthechildrenofsixyearsold?A.kindofB.kindsofC.kindD.kinds9.keepingoodhealth=keephealthy=stayhealthy=behealthy保持健康Thatsoundsinteresting.这是“主语+系动词+表语”结构的简单句。sound（听起来），look（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.toclean10.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不能指假设的情况，不能作副词，放在词尾。练习：Althoughheisveryold,______heworksveryhard.A.andB.butC./D.soUnit3.I’mmoreoutgoingthanmysister1.I’mmoreoutgoingthanmysister.→主语+动词+形容词比较级别+than+比较对象练习：Idon’tthinkHenryis_____thanTony.A.muchpopularB.morepopularC.popularD.mostpopular2.insomeways在某些方面;inmanyways在多方面3.enjoydoingsth.=love\likedoingsth.喜欢做某事练习：Sheenjoys_____basketballonSundaysA.playBtoplayCplayingDhaveplayed4.as/so+形容词/副词（原形）+as和……一样它的否定式是：notas/so+形容词/副词（原形）+as和……不一样练习：Thismathproblemis_______thatone.A.notsoeasyasB.moreeasythanC.aseasierasD.easythan5.all用于三者或三者以上；both用于两者。同时要注意它们在句中的位置，即位于连系词（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1.Therearelotsofcolorfulon_______sidesofthestreets.A.eachB.bothC.eitherD.all2.---Whatareyourparents?---They_______teachers.A.areallB.arebothC.allareD.bothare7.stopdoingsth.意为“停止（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。动词过去式变化规则：1．一般在动词末尾加-ed，如：pull-pulled,cook-cooked2．结尾是e加d，如：taste-tasted3．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-ed如：stop-stopped4．以“辅音字母+y”结尾的，变y为i，再加-ed，如：study-studied同步练习1.GaoShan_______(pull)upcarrotslastNationalDayholiday.2.I____________(sweep)theflooryesterday,butmymother______.3What_____she_____(find)inthegardenlastmorning?She____(find)abeautifulbutterfly.4.It____(be)Ben’sbirthdaylastFriday10.Weall___(have)agoodtimelastnight.5..He_____(jump)highonlastSportsDay.12.Helen____milk)acowonFridays.6..Shelikes______newspapers,butshe______abookyesterday.(read)7.He_______footballnow,butthey_______basketballjustnow.(play)8.Jim’smother_________(plant)treesjustnow.9._______they________(sweep)theflooronSunday?No,they_____.10.I_______(watch)acartoononMondays.18We____(go)toschoolonSundays.2，英语形容词比较级的构成：英语形容词比较等级有三个：原级，比较级和最高级。形容词比较等级形式变化有规则的和不规则的两种规则变化1）单音节词末尾加-er（比较级），-est（最高级）【例】smallsmallersmallest2）单音节如以e结尾，只加-r（比较级），-st（最高级）【例】finefinerfinest闭音节单音节词如末尾只有一个辅音字母，须先双写这个辅音字母，再加-er（比较级），-est（最高级）bigbiggerbiggest少数以-y，-er，ow，-ble结尾的双音节词，末尾加-er（比较级），-est（最高级）。以-y结尾的词，如-y前是辅音字母，则变