新人教版八年级上英语知识点归纳VIP免费

2018新人教版八年级上册英语单元语法及知识点归纳Unit1Wheredidyougoonvacation【重点语法】不定代词：不指名代替任何特定名词或形容词的代词叫做不定代词。用法注意：1.some和any+可数名/不可数名。some多用于肯定句，any多用于否定句、疑问句和条件从句。有些问句中用some,不用any,问话者希望得到对方肯定回答。2.由some,any,no,every与body,one,thing构成的复合不定代词作主语时，其谓语动词用三单。3.不定代词若有定语修饰，该定语要置于其后：如：somethinginteresting【重点短语】1.buysthforab./buysb.sth为某人买某物2.taste+adj.尝起来⋯⋯3.nothing...but+V.(原形)除了⋯⋯之外什么都没有4.seem+(tobe)+adj看起来5.arrivein+大地方/arriveat+小地方到达某地6.decidetodosth.决定做某事7.trydoingsth.尝试做某事/trytodosth.尽力做某事8.enjoydoingsth.喜欢做某事9.wanttodosth.想去做某事10.startdoingsth.开始做某事=begindoingsth.11.stopdoingsth.停止做某事区分：stoptodosth.停下来去做某事12.dislikedoingsth.不喜欢做某事14.so+adj+that+从句如此⋯⋯以至于⋯⋯16.tellsb.(not)todosth.告诉某人（不要）做某事17.keepdoingsth.继续做某事18.forgettodosth.忘记去做某事/forgetdoingsth忘记做过某事【词语辨析】1.takeaphoto/takephotos拍照quiteafew+名词复数“许多⋯”2.seem+形容词看起来⋯...Youseemhappytoday.seem+todosth.似乎/好像做某事IseemtohaveacoldItseems+从句似乎..⋯.Itseemsthatnoonebelieveyou.seemlike...好像，似乎⋯..Itseemslikeagoodidea.3.arrivein+大地点=getto=reach+地点名“到达......”arriveat+小地点（注：若后跟地点副词here/there/home,介词需省略，如：arrivehere;gethome）4.feellikesth?感觉像⋯feeldoingsth.想要做某事5.wonder（想知道）+疑问词（who,what,why)引导的从句。6.becauseof+名/代/V-ingbecause+从句Hecan’ttakeawalkbecauseoftherain.Idon’tbuytheshirtbecauseitwastooexpensive.7.enough+名词足够的⋯...形容词/副词+enoughUnit2Howoftendoyouexercise【重点语法】1.频率副词:always,usually,often,sometimes,never频率副词在句中通常放在实义动词之前,be动词或助动词之后。常用于一般现在时态中。2.“次数”的表达方法一次once，两次twice，三次或三次以上：基数词+times,如：threetimes,fivetimes,3.howoften“多久一次”问频率，回答常含有频率词组或短语。常见的how疑问词：1）Howsoon多久（以后）—Howsoonwillhebeback他多久能回来？—Hewillbebackinamonth.他一个月后能回来。2）howlong“多久”—Howlongdidittakeyoutocleanthehouse你打扫房子用了多久？—Ittookmehalfanhourtocleanthehouse.我打扫这房子用了半小时。3）Howmany+名复Howmuch+不可名“多少”问数量（howmuch还可问价格）【重点短语】1.gotothemovies去看电影2.lookafter=takecareof照顾3.surftheinternet上网4.healthylifestyle健康的生活方式5.goskateboarding去划板6.keephealthy=stayhealthy保持健康7.eatinghabits饮食习惯8.takemoreexercise做更多的运动9.thesameas与什么相同10.bedifferentfrom不同11.onceamonth一月一次12.twiceaweek一周两次13.makeadifferenceto对......有影响/作用14.mostofthestudents=moststudents15.shop=goshopping=dosomeshopping购物16.begoodfor对......有益17.bebadfor对......有害18.comehomefromschool放学回家19.ofcourse=certainly=sure当然20.getgoodgrades取得好成绩21.keep/beingoodhealth保持健康22.takeavacation去度假【词语辨析】1.maybe/maybemaybe是副词，意为“大概，可能，或许”，一般用于句首。Maybe是情态动词，意为“可能是...，也许是...，大概是...”.Thebabyiscrying.Maybesheishungry.Thewomanmaybeateacher.2.afew/few/alittle/littleafew(少数的，几个，一些)alittle(一点儿，少量)表示肯定few(很少的，几乎没有的)little(很少的，几乎没有的)表示否定修饰可数名词修饰不可数名词Peoplecanliveto100,butfewpeoplecanliveto150.Thereislittletimeleft.Iwon’tcatchthe...