新概念1-72课知识点

Lesson1-72总复习时态（四种）现在进行时：含义：此时此刻正在做的事情动词构成：Be（am,is,are）+现在分词doing现在分词的变化规则：【直、去、双、不变、特】⑴【直】一般情况直接加-ing:do-doing/help-helping/go-going⑵【去】以不发音的e结尾，去e加：make-making/take-taking/live-living⑶【双】以重读闭音节结尾要双写尾巴：swim-swimming/cut-cutting/begin-beginning/put-putting/sit-sitting/shop-shopping/travel-travelling⑷【不变】辅音字母+y的情况不用发生变化(5)【特】以ie结尾,将ie变y加ing：lie-lying/die-dying时间标志词：now,atthemoment,look,listen肯定句：Iamdoingmyhomework.否定句：Iamnotdoingmyhomework.一般疑问句：Areyoudoingyourhomework?(有be提be)特殊疑问句：Whatareyoudoing?一般将来时含义：表示准备去，将要去干….动词构成：Be（am,is,are）goingtodosth.时间标志词：tomorrow肯定句：Iamgoingtopaintthebookcase.否定句：Iamnotgoingtopaintthebookcase.一般疑问句：Areyougoingtopaintthebookcase?(有be提be)特殊疑问句：Whatareyougoingtodo?语法：一般现在时含义：描述某种状态、规律性或客观事实。例句：1.Igotoschooleveryday.(一般性)2.Peterusuallybrusheshisteeththreetimesaday.（规律性）⒊Thesunrisesintheeastandsetsinthewest.（客观事实）动词：不变→主语非三单如：Ireadnewspapereveryday..变化→主语为三单形式如：Hereadsnewspapereveryday.标志词：1)频率副词：allthetime,always,usually,often,sometimes2)时间标志词：every+时间,inthemorning/afternoon/evening,atnight/noonI.带动词的句子：主语非三单肯定句：Ilikeapples.否定句：Idon’tlikeapples.“见动词，找助动”口诀一般疑问句:Doyoulikeapples?“无be无情，就借助”特殊疑问句：Whatdoyoulike?主语为三单：肯定句：Mr.SawyerusuallywatchesTVatnight.否定句：Mr.Sawyerdoesn’tusuallywatchTVatnight.“见动词，找助动”口诀一般疑问句:DoesMr.SawyerusuallywatchTVatnight?“无be无情，就借助”特殊疑问句：WhatdoesMr.Sawyerusuallydoatnight?WhendoesMr.SawyerusuallywatchTV?Ⅱ.Ⅰ.带有Be动词句子:肯定句:Iamastudent.否定句:Iamnotastudent.在Be动词后加NOT即可一般疑问句：Areyouastudent?”有be提be”特殊疑问词：Whatareyou?特殊疑问词+一般疑问句一般过去时含义：描述过去发生的动作，已经在过去结束和终止，成为过去的事动词：动词过去式变化规则：⑴【直】一般情况加ed：help-helped/look-looked/watch-watched⑵【去】以不发音的e结尾：live-lived/love-loved/hope-hoped⑶【双】以重读闭音节词结尾：stop-stopped/shop-shopped/plan-planned以元音+y结尾，直接加ed：play-played/enjoy-enjoyed⑷【改】以辅音+y结尾，去y加ied：carry-carried/cry-cried/study-studied⑸【特】不规则变化，详见书中P179和P183时间标志词：yesterday,last…,…ago,justnow,inthepast,in2000句型变化：肯定句：Iwenttothezooyesterday.否定句:Ididgotothezooyesterday.借助动词did一般疑问句：Didyougotothezooyesterday?特殊疑问句：Whatdidyoudoyesterday?【特】带有Be动词句子，Be动词两种变化形式（was和were）：肯定句：Lilywasateachertwoyearsago.否定句：Lilywasn’tateachertwoyearsago.一般疑问句:WasLilyateachertwoyearsago?“将Be动词was,were提前”特殊疑问句即：WhatwasLilytwoyearsago?特殊疑问词+Be+主语+其他其他语法：1．选择疑问句：前升后降调；不用yes或no回答含特殊疑问句的选择疑问句：Whatdoyouwant,beeforlamb?Beef,please.含一般疑问句的选择疑问句:Doyouwantbeeforlamb？lamb,please.2．情态动词1)must必须:WhatmustIdo?2)can能肯定句：Icanmakethetea.否定句：Ican’tmakethetea.“情态动词后直接加not改否定”一般疑问句：Canyoumakethetea?“有情提情”特殊疑问句：Whatcanyoudo?3．therebe句型：某处有（存在）某物Thereisa（an）+单数可数名词/(some)不可数名词+地点（介词短语）Thereisabookonthefloor./Thereissomewaterinthebottle.Thereare+（some）复数可数名词+地点（介词短语）Therearesomebooksonthefloor.4．不可数名词：apieceofcheese,aloafofbread,abarofsoap,abarofchocolate,apondofsugar,atinoftobacco,abottleoforangejuice5.时间介词年和月共用in，星期日期共用on，具体时刻用at，季节前面也用in，周末at和on都可以。地点介词In接大地点，at接小地点。arrivein+大地点arriveat+小地点6.祈使句Shutthedoor.Openthewindow.Airtheroom.Makethebed.1)原形动词开头；2)省略了主语you;3)加Please更客气；4)句首加not改否定重要句型:1.Whatnationalityareyou?IamChinese.（加国籍）2.Wheredoyoucomefrom?IcomefromAmerica.3.Whereareyoufrom?IamfromJapan.4.What’stheweatherliketoday?It’ssunny./windy/hot/cold.5.What’stheclimatelikeinyourcountry?It’smild./It’spleasant.