学生常问语法问题解答

问题：冠词的使用，什么时候要加the。复数名词前面为什么要加 问题：as充当介词的时候，后面可以不可以加形容词？譬如说Thequalityofteachinghasbeenidentifiedascentraltostudentsacademicperformanceidentifiedascentral，central是形容词也可以用在as后面么？ 问题：of，about，for等介词总会用错，想问老师这些是要记住固定搭配还是有 问题：itisimportantto的to到底是介词，还是不定式 问题：为什么老师经常说itisbeneficial/importanttodosomething是错的？或者somethingisbeneficial/importanttodosomething是错的 e和havedone有什么区别 问题：helpdo为什么是准确的 问题：Inorderto怎么使 问题：while,when,before,after后面什么时候可以使 Iwillputmoneyinthebank.（放在银行，而不是其他地方Ilikebooks.（只要是书就喜欢）IlikethebookswrittenbySteveJobs（Stevejobs写的书Knowledgeisimportanttous.（只要是知识都有用）Theknowledgeofourparentsisvaluabletous（特指父母的知识Knowledgeisimportanttous.（只要是知识都有用Theknowledgeofourparentsisvaluabletous（特指父母的知识IwillputmoneyinabankIwillputmoneyinthebank.（放在银行，而不是其他地方以用behavioursOffendersdonotknowhowharmfultheirbehaviouristootherpeople如果这里写behaviours，也就是一个罪犯有很多行为去其他人)问题：as充当介词的时候，后面可以不可以加形容词？譬如说Thequalityofteachinghasbeenidentifiedascentraltostudentsacademicperformanceidentifiedascentralcentral是形容词也可以用在as后面么？配还是有固定规律？Thiscanceaburdentotaxpayers.(应该是Thedemandofhousingisgrowing（Theyarenotawaretothisproblem.（ cyisonereasonofunemployment（Somestudentshavedevelopedapassiononsport(Studentscanimprovetheabilityofcommunicatingwithothers（abilitytoBy的“通过”是表示通过法，途径，或者动作，去达到某个目的。而through的“通过”更加类似于“穿过”某个东西。Travellingbytrainislesspopulartoday.(坐火车是法和方式去出行Smokemovedthroughthetrain（烟雾在火车里蔓延bythroughernmentstendtofightcrimebyimposingstiffpenaltiesonernmentstendtofightcrimethroughsevere问题：itisimportanttotoItisimportanttoadoptahealthylifestyle.(toadpotahealthylifestyle是真正的主语，意思是Weshouldadoptahealthylifestyle.Itthisisimportanttoourhealth.（it指代的itisbeneficial/importanttodosomething是somethingisbeneficial/importanttodosomething是错有同学直接翻：educationisimportanttofind因为当主语是具体的事物的时候，to是个介词，意思是“对于”，后面只能加名Educationisimportanttoone’scareer.教育对于一个人的职业是重要的EducationhelpsyoungpeoplefindExercisingregularlyisbeneficialtohealth.(exercising是动名词)ngexerciseregularlyisbeneficialtohealth. ng是动名词Allmotoristsareexpectedtodrivecarefully. Recently,now,onlinenowadaystoday consumersshop usuallyoften,normallyCommutingtimehasbeenprolongedbecauseoftrafficcongestion.（上下班的时间已（一直存在的事实Ihavedonethisjob（任务已经完成，强调结果Theyworkhard.（工作勤奋，强调状态而现在完成进行时态强调过去到现在的一个持续动作（可能会继续下去Ihavelearnedalotfromyou我从你那学到很多，强调结果IhavebeenstudyinginNewZealandfortenyears.我在新西兰一直学习，强调持续过去时。用could的时候可能是虚拟语气。ManysmallcompaniesManysmallcompaniescouldgobankrupt.(Ifthe ernmentdoesnotdoanything,manysmallcompaniescouldgobankrupt.未来情况的manysmallcompanieswillgoYoucannotbeserious.（表HewasjokingHecouldnotbeserious表示过Studentscanacademicsuccess,if类似于”studentsareable候CanIaskaYoucangohome但是一般不会说youcouldgoIfIstudiedhard,Icouldhavepassedthe e和havedone有什么区别回答 e是系动词(意思是“成为”)，do是及物动Environmentalproblemssuchasgreenhousegasemissionshave ethefocusofpublicconcernEg.peoplefinditeasytocontacttheirfriendstoday.(contact动词的时候是及物动词，Peopleshouldkeepcontactwiththeirfamily.(contactkeep的宾语，所以是名词。需要加介词with)问题：helpdo回答：help这个词是比较特殊HelpsomebodydosomethingHelpsomebodytodosomethingHelptodosomethingHelpdo结果，而inorderto表示目的（也就是未必实现）TheyarestudyinghardinordertopassIELTS.TheyhaveattendedmanycoursestopassIELTS. Newspapersattractpublicattentionbysensationalizingvictims'feeling,whileignoringharmfulconsequencestotheseindividuals（主句的动词attract和从句的动词igore的主语都是newspapers）Schoolsrequireallchildrentowearuniform(towearuniform不定式充当宾补，如果Physicalactivitycanmakeushealthier（healthier形容词充当宾补，如果去掉，这个Weneedallinformationrelevanttothiscase.(relevantAllresidentsinthisareagotochurcheveryweekend.（inthisarea介宾短语充当后置定语，修饰主语residents）Charitiescangivedisadvantagedchildrensufficientmoneytogotoschool.（children是间接宾语，money是直接宾语，是give这个动词的宾语）Themoneyfromcharitieshasmadechildrenhappy（happychildren，而不是made的宾语）forSUCHChildrenareencouragedtostudyawiderangeofsubjectssuchasmusicandChildrenareencouragedtostudyawiderangeofsubjects.Forexample,theycanspendtimestudyingmusicandart.Progresssofarhasbeenverygood.Weare,therefore,confidentthattheworkwillbecompletedontime. therefore可以放在句首，也可以放在句中，后面一般加句子或者句子的某个成分， Thedemandforhousinggrows,therebydrivingpricesThedemandforhousinggrows.Therefore,pricesarehigherandyoungpeoplecannotgetonthepropertyladder.这两个词用法是不同的，although是从属连词（也就是要连接两个独立的句子），而but是并列连词（可以连接句子，或者短语等）Althoughsolarpowerisarenewableenergysource,coalisstillanimportantsourceofelectricity.（连接两个句子）Somecountriestodaydonotusecoalbutpromotesolarpowerinelectricitygeneration.(but后面没有主语，因为主语是somecountries)Althoughsolarpowerisarenewableenergysource,coalisstillanimportantsourceofelectricity.（重要信息是coal）Coalisanimportantsourceofelectricity,butsolarpowerisarenewableenergyEgThisisthebestarticlewhich(that)haseverbeenwrit