八年级上语法总结VIP专享VIP免费

语法：一般将来时结构：be(am/is/are)goingtodosth.表示计划、打算或安排搭配词：tomorrow;thedayaftertomorrow;tomorrowmorning/...nextweek/month/Friday/...Thismorning/afternoon/evening/week/term/...;tonightinaweek=>in+一段时间;注意划线的提问词用howsooninthefuturefourdayslater=>一段时间+latersb.hope/wish+宾语从句（将来时）e.g.OurChineseteacherisgoingtogive(give)aspeechthisFriday.否定句：OurChineseteacherisn'tgoingtogiveaspeechthisFriday.一般疑问句：IsourChineseteachergoingtogiveaspeechthisFriday?肯定回答：Yes,heis.否定回答：No,heisn't.画线提问：Whenishegoingtogiveaspeech?结构：主语+willdosth.====>适用于任何人称搭配词：tomorrow,thedayaftertomorrow,in+一段时间，nextSunday/week/year/...,thismorning/afternoon/evening/year/week/month/...,tonight,inthefuturee.g.Herunclewillvisitherinthreedays.===>Howsoonwillherunclevisither?语法：表示建议的句型：Wouldyoumind(not)doingsth.?“做某事你(不)介意吗？”WouldyoumindifI....?“如果我做某事你不介意吗”表示允许的回答：Ofcoursenot./Certainlynot./...表示不允许的回答：You'dbetternot./Sorry....1.Couldyoupleasedomeafavor?=Couldyouhelpme?=Couldyougivemeahand?语法：情态助动词：can/could;may/might;should;must;haveto;hadbetter;nded;dare;oughtto;1.can“能”能力“可以”允许“可能”猜测2.may“可能”猜测“可以”允许，征求同意3.must“必须”义务；mustn't“不得”禁止“一定；准是”猜测表示请求，客气或正式程度：might>may>could>can表示猜测，可能性：must>can>could>may>mightmust提问时，否定回答是：—Mustwe„„?—No,youdon'thaveto./No,youneedn't.“必须”must(除了过去时might外)没有时态、人称和数的变化;主观看法haveto有时态、人称和数的变化;客观需要hadbetter的否定hadbetternot感叹句：What(a/an)+(adj.)+名词+主语+谓语How+形容词/副词+主语+谓语过去进行时：结构：was/were+doing用法：①过去某个时刻正在进行的动作：at8:00/...+过去的时间atthis/thattime/moment+过去的时间②过去某段时间内持续进行的动作：from7to9+过去的时间thewholemorning/...+过去的时间注：过去进行时可以运用于when、while、as引导的时间状语从句中。①as从句谓语动词可用短暂性或延续性动词；从句表示进展过程。②when从句谓语动词可用短暂性或延续性动词；从句表示一个时间段或时间点。③while从句谓语动词须用延续性动词；从句表示一个时间段。eg.①Ashegrewup,hebecamemoreclever.②Whenhearrivedhome,itwasjustnineo'clock.③WhilehewasinLondon,hestudiedmusic形容词的比较级、最高级：⑴规则变化：A.单音节和少数双音节①加-er或-est:great-greater-greatest②以e结尾的加-r或-st:fine-finer-finest③辅音字母+y结尾的,变y为i加-er或-est:happy-happier-happiest④重读,辅元辅结尾,尾字母有独立发音的,双写尾字母加-er或-est:big-bigger-biggestB.多音节和部分双音节在词前加more或most:popular-morepopular-themostpopular⑵不规则变化：good/well-better-best;bad/ill-worse-worst;many/much-more-most;little-less-least;far-farther/further-farthest/furthest注：①比较级要有比较对象，而且必须同级同类比较。搭配词：than②最高级要有比较范围，形容词最高级前加the。搭配词：of/inbe(not)sure+(that)宾语从句be(not)sure+if/whether宾语从句be(not)sure+when/where/which/why/how/...宾语从句附加疑问句，即反意疑问句，表示说话者有一定的看法，征求对方的同意或肯定。前面肯定，后面否定；前面否定，后面肯定。两部分人称和时态要一致。注：①反意疑问句的前面陈诉部分含有：no,nothing,little,few,never,hardly,seldom,nobody/...等表示否定意义的词时，后面用肯定形式。②以Ithink/believe引导的宾语从句，后面的疑问句应针对从句部分。③对于祈使句的附加疑问句，附加疑问部分常用willyou。注意Let's和Letus的不同：eg.Let's...