一、词类:这里强调一点:不可数名词都默认为单数,所以总是用is1)名词复数如何加后缀(各种不同情况变化)A.一般情况直接加-s:book-booksbag-bagscat-catsbed-bedsB.以s.x.sh.ch结尾加-es:bus-busesbox-boxeswatch-watchespeach—peachesglass—glassesC.以“辅音字母+y”结尾变y为i,再加-es:family-familiesstudy—studiesD.以“f或fe”结尾变f或fe为v,再加-es:knife-knivesleft-leavesE.不规则名词复数man-menwoman-womenpoliceman-policemenpolicewoman-policewomenmouse-micefoot-feetchild-childrenfish-fishChinese-Chinese形容词和副词的比较级一、形容词的比较级1.形容词比较级在句子中的运用:两个事物或人的比较用比较级,比较级后面一般带有单词than。比较级前面可以用more,alittle来修饰表示程度。than后的人称代词用主格(口语中可用宾格)。2.形容词加er的规则:一般在词尾加er;以字母e结尾,加r;以一个元音字母和一个辅音字母结尾,应双写末尾的辅音字母,再加er;“辅音字母+y”结尾,先把y变i,再加er。4.不规则形容词比较级:good-better,beautiful-morebeautiful根据句意填入单词的正确形式:1.Mybrotheristwoyears__________(old)thanme.2.Tomisas________(fat)asJim.3.Isyoursister__________(young)thanyou?Yes,sheis.4.Whois___________(thin),youorHelen?Helenis.5.Whosepencil-boxis__________(big),yoursorhers?Hersis.6.Mary’shairisas__________(long)asLucy’s.7.Ben______(jump)________(high)thansomeoftheboysinhisclass.8.________Nancysing__________(well)thanHelen?Yes,she_____.9.Fangfangisnotas_________(tall)astheothergirls.10.Myeyesare__________(big)than________(she)..11.Whichis___________(heavy),theelephantorthepig?12.Whogetsup_________(early),TimorTom?二、否定句be动词(am、is、are)+not、情态动词can+not、助动词(do、does)+not如何将一个肯定的陈述句改为否定句:1.看句中有无be动词,如有,直接在be动词后+not。2.看句中有无情态动词,如有,直接在情态动词后+not。3.如上述二者都没有,就应用助动词+not。常用疑问词:Whattime什么时间问具体时间,如几点Who谁问人Whose谁的问主人Where在哪里问地点What什么问东西、事物Whatcolour什么颜色问颜色Howold多大年纪问年纪Howmany多少数量(可数名词)问数量Howmuch多少钱;多少数量(不可数名词)问多少钱或数量(不可数)五时态(一):一般现在时用法::经常性的和习惯性的动作常用时间状语::usually,sometimes,inspusually,sometimes,inspring,everyday,inthemorningring,everyday,inthemorning动词构成::1.1.动词原型动词原型((主语是其他人称)主语是其他人称)2.2.动词动词+S.+S.(主语是第三人称单数)(主语是第三人称单数)否定构成:1.don’t+动原2.doesn’t+动原一般疑问构成及简答::Do+Do+主语主语++动原动原++其它?其它?Yes,Ido.Yes,Ido.Does+Does+主语主语++动原动原++其它?其它?No,hedoesn’t.No,hedoesn’t.特殊疑问句举例::1.WhatdoyouoftendoonSundays?1.WhatdoyouoftendoonSundays?2.Wheredoeshelive?2.Wheredoeshelive?1.She__________(go)toschoolateighto’clock.2.It’ssixo’clock.Theyare_________supper.(eat)3.Heusually______upat17:00.(get)4.She________(live)inBeijing.5.Sally_______(be)herejustnow.6._____(be)thereafly(苍蝇)onthetablejustnow?7.Theyare________(dig)ahole(洞).8.Myfather________(mend)hismodel(模型)planethesedays用法:说话时正在进行的动作或当前一段时间正在进行的动作常用时间状语:now,thesedaysnow,thesedays动词构成:1.am/is/are+am/is/are+现在分词现在分词(--ing)(--ing)2.am/is/areworking2.am/is/areworking否定构成:am/is/are+not+am/is/are+not+现在分词现在分词如:Tomisplayingfootballontheplayground.现在进行时一般疑问构成及简答:Am/Is/Are+Am/Is/Are+主语主语++现在分词现在分词++其它?其它?Yes,Iam(heis.)Yes,Iam(heis.)/No,theyaren’t/No,theyaren’t特殊疑问...