2022高三年級(jí)英語(yǔ)語(yǔ)法知識(shí)點(diǎn)

2022高三年級(jí)英語(yǔ)語(yǔ)法知識(shí)點(diǎn)|【篇一】高三年級(jí)英語(yǔ)語(yǔ)法知識(shí)點(diǎn).定義：用作主語(yǔ)的從句叫做主語(yǔ)從句。.構(gòu)成：關(guān)聯(lián)詞+簡(jiǎn)單句.引導(dǎo)主語(yǔ)從句的關(guān)聯(lián)詞有三類：(1)附屬連詞thato如：Thattheywereintruthsisterswasclearfromthefacialresemblancebetweenthem.很明顯，她們確是親姐妹，她們的臉型很相似。(2)附屬連詞whether。如：Whetherhe'11ehereisn'tclear.他是否會(huì)來(lái)這里還不清楚。(3)連接代詞who,whom,whose,what,which,whoever,whatever,whichever連接副詞where,when,how,whyo如：Whatshedidisnotyetknown.她干了什么尚不清楚。Howthishappenedisnotcleartoanyone.這事怎樣發(fā)生的，誰(shuí)也不清楚。Whoeveresiswele.不管誰(shuí)來(lái)都?xì)g迎。Whereveryouareismyhomemyonlyhome.你所在的任何地方就是我的家一一我的家。解釋：.主語(yǔ)從句能用it作形式上的主語(yǔ)。常以it作形式主語(yǔ)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(wú)疑問(wèn)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(méi)贏這場(chǎng)比賽真意外。It+be+過(guò)去分詞(said,reported,thought,expected,decided,announced,arranged,etc.)+that從句。如：ItissaidthatMr.GreenhasarrivedinBeijing.據(jù)說(shuō)格林先生已經(jīng)到了北京。ItisreportedthatChinahassentanothermanmadeearthsatelliteintoorbit.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(yǔ)+that從句。如：ItseemsthatAliceisnotingtothepartyatall.Alice似乎不來(lái)參加晚會(huì)。IthappenedthatIwasoutthatday.碰巧我那天外出了。It+doesn,tmatter(makesnodifference,etc.)+連接代詞或連接副詞引起的主語(yǔ)從句。如：Itdoesn'tmatterwhethershewilleornot.她是否來(lái)這無(wú)關(guān)緊要。Itmakesnodifferencewhereweshallhavethemeeting.我們?cè)谀睦镩_會(huì)毫無(wú)區(qū)別。F.當(dāng)that引導(dǎo)的主語(yǔ)從句出現(xiàn)在疑問(wèn)句中時(shí)，要以it作形式主語(yǔ)，而把主語(yǔ)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？Doesitmattermuchthattheywillnotetomorrow?他們明天不來(lái)很要緊嗎？G.當(dāng)主語(yǔ)從句出現(xiàn)在感嘆句中時(shí)，要以it作形式主語(yǔ)，而把主語(yǔ)從句后置。如：Howstrangeitisthatthechildrenaresoquiet!孩子們這么安靜真奇怪！.注意連接代詞whoever,whatever,whichever等引導(dǎo)主語(yǔ)從句的含義Whoevereswillbewele.(whoever=thepersonwho)來(lái)的人將受到歡迎。Whateverhedidwasright.(whatever=thethingthat)他所做的事情是正確的。Whicheverofyouesinwillreceiveaprize.(whichever=anyoneofyouwho)你們當(dāng)中不管哪個(gè)進(jìn)來(lái)將會(huì)得到獎(jiǎng)|【篇二】高三年級(jí)英語(yǔ)語(yǔ)法知識(shí)點(diǎn)underage未成年，未到達(dá)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(méi)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Thepanyhaseunderfierceattackforitsdecisiontoclosethefactory.因?yàn)闆Q定要關(guān)閉工廠，公司受到猛烈攻擊。underconsideration在考慮中；在研究中Thequestionisnowunderconsideration.這個(gè)問(wèn)題正在考慮工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(shī)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(lái)的。underdiscussion在討論中；在審議中Thathasnorelationtothematterunderdiscussion.那與正在討論的事無(wú)關(guān)。That'sanothertopicthatwilleunderdiscussion.那是另一個(gè)要討論的問(wèn)題。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；被攻擊中我們?cè)獾搅藖?lái)自我們?cè)獾搅藖?lái)自我們?cè)獾搅藖?lái)自Wewereunderfirefromallsides.我們?cè)獾搅藖?lái)自面八方的射擊。Theheadmasterwasunderfirefornotsendingtheboyshomewhostolethecar.校長(zhǎng)由于沒(méi)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(guò)誓要說(shuō)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Theonewhodidthedamageinunderobligationtopayfor