2022高三年级英语语法知识点

2022高三年级英语语法知识点|【篇一】高三年级英语语法知识点.定义：用作主语的从句叫做主语从句。.构成：关联词+简单句.引导主语从句的关联词有三类：(1)附属连词thato如：Thattheywereintruthsisterswasclearfromthefacialresemblancebetweenthem.很明显，她们确是亲姐妹，她们的脸型很相似。(2)附属连词whether。如：Whetherhe'11ehereisn'tclear.他是否会来这里还不清楚。(3)连接代词who,whom,whose,what,which,whoever,whatever,whichever连接副词where,when,how,whyo如：Whatshedidisnotyetknown.她干了什么尚不清楚。Howthishappenedisnotcleartoanyone.这事怎样发生的，谁也不清楚。Whoeveresiswele.不管谁来都欢迎。Whereveryouareismyhomemyonlyhome.你所在的任何地方就是我的家一一我的家。解释：.主语从句能用it作形式上的主语。常以it作形式主语的句型有：It+be+形容词(obvious,true,natural,surprising,good,wonderful,funny,possible,likely,certain,probable,etc.)+that从句。如:Itiscertainthatshewilldowellinherexam.毫无疑问她考试成绩会很好。Itisprobablethathetoldhereverything,很可能他把一切都告诉她了。It+be+名词词组(nowonder,anhonour,agoodthing,apity,nosurprise,etc.)+that从句。如：It'sapitythatwecan'tgo.很遗憾我们不能去。It'snosurprisethatourteamshouldhavewonthegame.我们没赢这场比赛真意外。It+be+过去分词(said,reported,thought,expected,decided,announced,arranged,etc.)+that从句。如：ItissaidthatMr.GreenhasarrivedinBeijing.据说格林先生已经到了北京。ItisreportedthatChinahassentanothermanmadeearthsatelliteintoorbit.据报道中国又成功地发射了一颗人造地球卫星。It+seem,happen等不及物动词及短语+that从句。如：ItseemsthatAliceisnotingtothepartyatall.Alice似乎不来参加晚会。IthappenedthatIwasoutthatday.碰巧我那天外出了。It+doesn,tmatter(makesnodifference,etc.)+连接代词或连接副词引起的主语从句。如：Itdoesn'tmatterwhethershewilleornot.她是否来这无关紧要。Itmakesnodifferencewhereweshallhavethemeeting.我们在哪里开会毫无区别。F.当that引导的主语从句出现在疑问句中时，要以it作形式主语，而把主语从句后置。如：Isittruethatthescientistwillgiveusalecturenextweek?下周那位科学家将给我们作报告是真的吗？Doesitmattermuchthattheywillnotetomorrow?他们明天不来很要紧吗？G.当主语从句出现在感叹句中时，要以it作形式主语，而把主语从句后置。如：Howstrangeitisthatthechildrenaresoquiet!孩子们这么安静真奇怪！.注意连接代词whoever,whatever,whichever等引导主语从句的含义Whoevereswillbewele.(whoever=thepersonwho)来的人将受到欢迎。Whateverhedidwasright.(whatever=thethingthat)他所做的事情是正确的。Whicheverofyouesinwillreceiveaprize.(whichever=anyoneofyouwho)你们当中不管哪个进来将会得到奖|【篇二】高三年级英语语法知识点underage未成年，未到达规定年龄Hewasrejectedbythearmybecausehewasunderage.他因尚未成年而被拒绝参军。Youshouldn'tsellcigarettestoteenagerswhoareunderage.你不应该把香烟卖给没未成年的青少年。underarrest被捕Youareunderarrestinthenameofthelaw.你被依法逮捕了。Hewassoonput[placed]underarrest.他不久就被逮捕了。underattack遭受攻击Thepanyhaseunderfierceattackforitsdecisiontoclosethefactory.因为决定要关闭工厂，公司受到猛烈攻击。underconsideration在考虑中；在研究中Thequestionisnowunderconsideration.这个问题正在考虑工TheplanisunderconsiderationbytheMinistryofEducation.教育部正在研究这个方案。underconstruction在建造中Thenewrailwayisunderconstruction.新铁路正在修建当中。Thebridgeisunderconstruction.这座桥正在建造中。Therearetwonewhotelsnearhereunderconstruction.附近正在兴建两家新的旅馆。undercontrol在控制中Theysoongotthefireundercontrol.他们很快把火势控制住。Ittooktheteachermonthstobringhisclassundercontrol,这个老师花了几个月的时间才管住了他的班级。undercopyright享有版权Thepoemisstillundercopyright,soyouhavetopaytoquoteit.该诗仍然享有版权，因此你必须支付引用费。undercover在隐蔽处;秘密地;在信封或邮包中Plansfortheattackweremadeundercover.进攻计划是秘密制定的。Thecheckcameundercoverinyesterday'smail.支票是装在信封里和昨天的信一道寄来的。underdiscussion在讨论中；在审议中Thathasnorelationtothematterunderdiscussion.那与正在讨论的事无关。That'sanothertopicthatwilleunderdiscussion.那是另一个要讨论的问题。underexamination在检查中；在审查中Theprisonerwasstillunderexamination.囚犯仍受审。Theproposalsarestillunderexamination.提案仍在审查中。underfire在炮火中；被攻击中我们遭到了来自我们遭到了来自我们遭到了来自Wewereunderfirefromallsides.我们遭到了来自面八方的射击。Theheadmasterwasunderfirefornotsendingtheboyshomewhostolethecar.校长由于没有开除那几个偷汽车的学生，受到责难。underguarantee在保修期内It'sstillunderguarantee,sothemanufacturerwillrepairit.保证书还有效，所以厂家会给修理的。Thecarisstillunderguarantee,soyoushouldbeabletogetitrepairedfreeofcharge.汽车还在保修期内，所以你应该可以免费修理。underoath在法庭上宣过誓要说实话Thejudgeremindedthewitnessthathewasstillunderoath.那法官提醒证人他已宣誓不作伪证。underobligation有义务；一定要Theonewhodidthedamageinunderobligationtopayfor