高三年級(jí)英語語法知識(shí)點(diǎn)2023

高三年級(jí)英語語法知識(shí)點(diǎn)2023高三年級(jí)英語語法知識(shí)點(diǎn)定義：用作主語的從句叫做主語從句。構(gòu)成：關(guān)聯(lián)詞+簡(jiǎn)單句引導(dǎo)主語從句的關(guān)聯(lián)詞有三類：從屬連詞that。如：Thattheywereintruthsisterswasclearfromthefacialresemblancebetweenthem.很明顯，她們確是親姐妹，她們的臉型很相似。從屬連詞whether。如：連接代詞who,whom,whose,what,which,whoever,whatever,whichever連接副詞where,when,how,why。如：Whatshedidisnotyetknown.她干了什么尚不清楚。Whereveryouareismyhomemyonlyhome.你所在的任何地方就是我的家--1.主語從句能用it作形式上的主語。常以it作形式主語的句型有：It+be+形容詞(obvious,true,natural,surprising,good,wonderful,funny,possible,likely,certain,probable,etc.)+that從句。如：Itiscertainthatshewilldowellinherexam.毫無疑問她考試成績(jī)會(huì)很好。Itisprobablethathetoldhereverything.很可能他把一切都告訴她了。It+be+名詞詞組(nowonder,anhonour,agoodthing,apity,nosurprise,etc.)+that從句。如：It’sapitythatwecan’tgo.很遺憾我們不能去。It’snosurprisethatourteamshouldhavewonthegame.我們沒贏這場(chǎng)比賽真意外。It+be+過去分詞(said,reported,thought,expected,decided,announced,arranged,etc.)+that從句。如：ItissaidthatMr.GreenhasarrivedinBeijing.據(jù)說格林先生已經(jīng)到了北京。ItisreportedthatChinahassentanotherman-madeearthsatelliteintoorbit.據(jù)報(bào)道中國(guó)又成功地發(fā)射了一顆人造地球衛(wèi)星。It+seem,happen等不及物動(dòng)詞及短語+that從句。如：It+doesn’tmatter(makesnodifference,etc.)+連接代詞或連接副詞引起的主語從句。如：Itmakesnodifferencewhereweshallhavethemeeting.我們?cè)谀睦镩_會(huì)毫無區(qū)別。當(dāng)that引導(dǎo)的主語從句出現(xiàn)在疑問句中時(shí)，要以it作形式主語，而把主語從句后置。如：Isittruethatthescientistwillgiveusalecturenextweek?下周那位科學(xué)家將給我們作報(bào)告是真的嗎?當(dāng)主語從句出現(xiàn)在感嘆句中時(shí)，要以it作形式主語，而把主語從句后置。如：Howstrangeitisthatthechildrenaresoquiet!孩子們這么安靜真奇怪!2.注意連接代詞whoever,whatever,whichever等引導(dǎo)主語從句的含義Whateverhedidwasright.(whatever=thethingthat)他所做的事情是正確的。高三年級(jí)英語語法知識(shí)點(diǎn)underage未成年，未達(dá)到規(guī)定年齡Hewasrejectedbythearmybecausehewasunderage.他因尚未成年而被拒絕參軍。Youshouldn’tsellcigarettestoteenagerswhoareunderage.你不應(yīng)該把香煙賣給沒未成年的青少年。underarrest被捕Youareunderarrestinthenameofthelaw.你被依法逮捕了。Hewassoonput[placed]underarrest.他不久就被逮捕了。underattack遭受攻擊underconsideration在考慮中;在研究中Thequestionisnowunderconsideration.這個(gè)問題正在考慮中。TheplanisunderconsiderationbytheMinistryofEducation.教育部正在研究這個(gè)方案。underconstruction在建造中Thenewrailwayisunderconstruction.新鐵路正在修建當(dāng)中。Thebridgeisunderconstruction.這座橋正在建造中。Therearetwonewhotelsnearhereunderconstruction.附近正在興建兩家新的旅館。undercontrol在控制中Theysoongotthefireundercontrol.他們很快把火勢(shì)控制住。Ittooktheteachermonthstobringhisclassundercontrol.這個(gè)老師花了幾個(gè)月的時(shí)間才管住了他的班級(jí)。undercopyright享有版權(quán)Thepoemisstillundercopyright,soyouhavetopaytoquoteit.該詩仍然享有版權(quán)，因此你必須支付引用費(fèi)。undercover在隱蔽處;秘密地;在信封或郵包中Plansfortheattackweremadeundercover.進(jìn)攻計(jì)劃是秘密制定的。Thecheckcameundercoverinyesterday’smail.支票是裝在信封里和昨天的信一道寄來的。underdiscussion在討論中;在審議中underexamination在檢查中;在審查中Theprisonerwasstillunderexamination.囚犯仍受審。Theproposalsarestillunderexamination.提案仍在審查中。underfire在炮火中;被攻擊中Wewereunderfirefromallsides.我們?cè)獾搅藖碜运拿姘朔降纳鋼?。Theheadmasterwasunderfirefornotsendingtheboyshomewhostolethecar.校長(zhǎng)由于沒有開除那幾個(gè)偷汽車的學(xué)生，受到責(zé)難。underguarantee在保修期內(nèi)It’sstillunderguarantee,sothemanufacturerwillrepairit.保證書還有效，所以廠家會(huì)給修理的。Thecarisstillunderguarantee,soyoushouldbeabletogetitrepairedfreeofcharge.汽車還在保修期內(nèi)，所以你應(yīng)該可以免費(fèi)修理。underoath在法庭上宣過誓要說實(shí)話Thejudgeremindedthewitnessthathewasstillunderoath.那法官提醒證人他已宣誓不作偽證。underobligation有義務(wù);一定要Theonewhodidthedamageinunderobligationtopayforit.造成損失的人有義務(wù)賠償?！咀ⅰ吭诂F(xiàn)代英語中通常用underan