狀語從句練習(xí)課件

Adverbialclauses

狀語從句1Adverbialclauses

狀語從句1狀語作用：修飾動詞、形容詞、副詞以及全句Westudyatschool

everyday．時(shí)間狀語地點(diǎn)狀語狀語從句種類：

地點(diǎn)、時(shí)間、原因、目的、結(jié)果、條件、讓步、比較狀語從句充當(dāng)句子的狀語時(shí)，起___________作用。狀語從句一般由____________引導(dǎo)，也可以由_______引起。從句位于句首或句中時(shí)通常用逗號與主句隔開，位于句尾時(shí)可以不用逗號隔開。副詞從屬連詞詞組2狀語作用：修飾動詞、形容詞、副詞以及全句Westudya一.時(shí)間狀語從句as/when/while(1)MotherwasworriedbecauselittleAlicewasill,especially________________fatherwasawayinFrance.as/when/while(2)_________theteachercamein,weweredoingourhomework.(3)________Tomwashangingaround,hecameacrosshisoldfriend.(4)_________timewentby,peoplebegantorealizetheimportanceofprotectingourenvironmentfrombeingpolluted.(5)Shesings_______shedances.WhenWhileAsasWhen(atorduringthetime

)引導(dǎo)的時(shí)間狀語從句可以表示時(shí)間點(diǎn)，也可以表示時(shí)間段，多用一般時(shí)態(tài)。While(duringthetime

)引導(dǎo)的時(shí)間狀語從句表示主語在一段時(shí)間內(nèi)所處的狀態(tài)，多用進(jìn)行時(shí)態(tài)。隨著…一邊…一邊…3一.時(shí)間狀語從句as/when/while(2)*until&till常常可以通用，置于句首常用until。Onewithstrongperseveranceandpatiencewillinsistondoinghiswork__________heachieveshisgoal.till/untiltill/untiltill/until:直到……為止not…until/till直到……才Hedidn’trealizehehadwastedmuchtimeplayingcomputergamesuntilhefailedintheexam.倒裝:強(qiáng)調(diào):Notuntilhefailedintheexam,didherealizehehadwastedmuchtimeplayingcomputergames.Itisnotuntilhefailedintheexamthatherealized

hehadwastedmuchtimeplayingcomputergames.4*until&till常?？梢酝ㄓ?，置于句首常用untHehasmadegreatachievementsinhiswork_________hegraduated.

since/after小結(jié)：since引導(dǎo)時(shí)間狀語從句，意為“自從”。一般從句用一般過去時(shí)主句用現(xiàn)在完成時(shí)。Itis(hasbeen)+時(shí)間+since+從句(did)“自從……以來（已經(jīng)）多久了”我把集郵當(dāng)興趣愛好已有十年了。Itis(hasbeen)tenyearssinceItook

upthehobbyofcollectingstamps.5Hehasmadegreatachievements一…就…引導(dǎo)的時(shí)間狀語從句:ThePLAbegantohelpthevictims_________________________________________theygottotheearth-strickenarea.assoonas/themoment/theminute/immediately/directlynosoonerthan,hardly...when,scarcely…when主句中的動詞用過去完成時(shí)。放在句首時(shí)句子部分倒裝。(P235)

Nosooner

hadhesat

downthanhe

focusedonstudy.他一坐下來就專注于學(xué)習(xí)。_________hadhesat

down_____he

focusedonstudy.

whenHardly6一…就…引導(dǎo)的時(shí)間狀語從句:assoonas/the地點(diǎn)狀語從句7地點(diǎn)狀語從句7有志者事竟成Wherethereisawill,thereisaway.地點(diǎn)狀語從句通常由where,wherever引導(dǎo)，1.TheRedCrossisexpectedtosendhelp___________thereishumansuffering.2.Oneofthesuccessfulpeople’sstrongpointsisthattheycansucceed_________othersfail.whereverwhere

我們應(yīng)該到最需要我們的地方去。Weshouldgo_________weareneededmost.Weshouldgototheplace________weareneededmost.定語從句狀語從句wherewhere8有志者事竟成地點(diǎn)狀語從句通常由where,wherever原因狀語從句引導(dǎo)連詞：

because,becauseof,as,since,for9原因狀語從句引導(dǎo)連詞：91.WhydoyouwriteanEnglishresume?---Iwriteittoapplyforthepostoftrafficpoliceman,_________Iwanttoapplytheorytopractice.

because

because—回答why,直接原因,語氣最強(qiáng)．2.___________you’vemadeitupwithhim,youmightaswellgetonwellwith

hisfamily.

“既然”，一般用于句首。4.Shemustbedeeplymovedbyhiscourage_____hereyesbrimwithtears.forfor對前面分句的內(nèi)容加以解釋或推斷,不放在句首。3._____itisraining,you'dbettertakeataxi.已知事實(shí);眾所周知

Since

As101.WhydoyouwriteanEnglish在表語從句和強(qiáng)調(diào)句中，只能用because引導(dǎo).5.Itis________

heservesthepeopleheartandsoulthateveryonethinkshighlyofhim.because6.______________hiskindness，heiseasytomakealotoffriends.Becauseofbecause

of后只能接名詞、代詞或名詞性短語，不能跟句子11在表語從句和強(qiáng)調(diào)句中，只能用because引導(dǎo).5.It條件狀語從句12條件狀語從句12連接詞：if,unless(if…not),so/aslongas,onconditionthat…(只要;以...為條件)，incase(假使;以免)等Youcangoouttotakeexerciseonconditionthatyoufinishyourhomeworkontime.Takeanumbrellaincaseitrains.你可以出去鍛煉一下，條件是你要依時(shí)完成作業(yè)。帶把雨傘以防下雨。_________youworkhard,youwillfailtoachieveyourgoal.Unlessunless:除非,含有否定意義。13連接詞：if,unless(if…not),so/a1.Weformagoodhabitofgettingupearly__________________wecanmemorizewhatwehavelearnedmoreeasily.2.___________succeed,heworkeddayandnight.3.Hepracticeshispenmanship_____________makeagoodimpressiononothers.目的狀語從句

sothat,inorderthat,soasto,inorderto,sothat\inorderthatInordertoinorderto\soastoinorderto可以用在句首或句中，但soasto只能用在句中。14目的狀語從句

sothat,inorderthat讓步狀語從句________________Igethighgradesinmystudies,yetIstillfeelsomewhatafraidofmymother.Iwon'tlosecourage_________________Ifailtentimes.Although/Thoughevenif/eventhoughalthough/though不能與but連用，但可以與yet連用。連接詞：though/although；evenif/eventhough；however；whatever；wherever等引導(dǎo)15讓步狀語從句________________IgethAmixtureoffriendscanhelpmewith_________difficultiesIencounterinlife.______________asksforhelp,sheisreadytohelp.Nomatterwho=Whoeverwhateverwh-ever既可引導(dǎo)名詞性從句，又可引導(dǎo)讓步狀語從句。nomatterwh-只能引導(dǎo)讓步狀語從句。16Nomatterwho=Whoeverwhatever

Nomatterhowhard

hetries,hefailstocatchagoat.

無論有多困難，我們都要堅(jiān)持到底。

Nomatterhowdifficult

itis,wewillsticktoit/keepitup.我認(rèn)為孩子們想要什么就給什么是不明智的。這很容易寵壞他們。

Iconsideritunwisetogiveachildwhateverheorshewants.Thatiseasytospoilthem.17Nomatterhowhardhetries,2.Hewas____angry_____thathegaveventtohisangerbykickingthedoor.結(jié)果狀語從句1.Itgavehim_______ashock______hisfaceturnedwhite.suchthatsothatso+形容詞/副詞+thatsuch+形容詞+可數(shù)名詞復(fù)數(shù)/不可數(shù)名詞+thatso+little/few/much/many+可數(shù)名詞復(fù)數(shù)/不可數(shù)名詞+that3.Georgeearned_________________(太少錢了)hecouldn’taffordthecarhedesiredfor.solittlemoneythat182.Hewas____angry_____that她是一位如此細(xì)心周到的老師以至于學(xué)生都喜歡她。

Sheissoconsiderateateacherthatthestudentsallloveher.Sheissuchaconsiderateteacherthatthestudentsallloveher.so…that與such…that的區(qū)別such+a/an+形容詞+可數(shù)名詞單數(shù)+thatso+形容詞+a/an+可數(shù)名詞單數(shù)+that19她是一位如此細(xì)心周到的老師以至于學(xué)生都喜歡她。so…that方式狀語從句Guessthemeaningofthefollowingsentences.DoinRomeastheRomansdo.Leavethingsastheyare.入鄉(xiāng)隨俗。讓一切順其自然。20方式狀語從句Guessthemeaningofthe比較狀語從句as…as（和…一樣），notas/so…as（與…不一樣）,than(比）結(jié)果正如我們預(yù)料的那么好。

Theresultwasasgoodaswehadexpected.常見句型：the+比較級，the+比較級(陳述語序)Theharderyouwork,thegreaterprogressyouwillmake.21比較狀語從句as…as（和…一樣），結(jié)果正如我們預(yù)料的那么好Heisasdiligentashisdeskmate.Heisnotsodiligentashisdeskmate.Heworksashardashisdeskmate.Hedoesn’tworksohardashisdeskmate.“和…一樣…”，用“as+adj/advas…”結(jié)構(gòu)“不像…那樣…”,用“notas(so)+adj/advas…”結(jié)構(gòu)Heis___diligent___studentashisdeskmate.sb./sth.isas+adj+a/an+n.+as…Heisnot____diligent___studentashisdeskmate.

sb./sth.isnotso+adj+a/an+n.+as…asasoa22Heisasdiligentashisdeskm

倍數(shù)的表示方法

Ais…timesas+adj.+as+BAis…times+~er+than+BAis…timesthesize(length/width/depth/height…)ofBOurschoolisasbigastheirs.我們的學(xué)校是他們的四倍大。Ourschoolisfourtimes

asbigastheirs.Ourschoolisthree

times

biggerthantheirs.Ourschoolisfourtimesthesizeoftheirs.23Ourschoolisasbigastheirs1.Hisbrotheris____handsome____he(is).2.Yourhouseistwiceasexpensiveas_______(me).3.Thedriverdrivesfaster_____heusedto(drive).4._________knowledgewelearn,___________(happy)wewillbe.mine1.保持人稱代詞的格前后一致.如:1,2.2.倍數(shù)詞須加在比較結(jié)構(gòu)的前面.如:2.3.句中相同的成分,如動詞,常常省去.如:1,3.Themorethanasasthehappier241.Hisbrotheris____handsom狀語從句中的省略在含有狀語從句的復(fù)合句中,若從句的主句是it或與主句的主語相同，且在謂語中含有be時(shí)，常省略從句的主語和be。

25狀語從句中的省略在含有狀語從句的復(fù)合句中,若從句的主句是it1.Don’tspeakuntilyouarespokento.=Don’tspeakuntilspokento.2.Pressurecanbeincreasedwhenitisneeded.=Pressurecanbeincreasedwhenneeded.過馬路的時(shí)候要小心。Lookoutwhen/whilecrossingthestreet.(=when/whileyouarecrossing…)（）（）（1）連接詞+過去分詞（2）連詞+現(xiàn)在分詞261.Don’tspeakuntilyouares1.她急匆匆地走出屋去，好象很生氣的樣子。

Shehurriedlylefttheroomasthough/ifangry.(=asthough/ifshewasangry…)2.必要時(shí)，你應(yīng)該做筆記。

Youaresupposedtotakesomenoteswhennecessary.(=Whenitisnecessary,…)（3）連詞+形容詞/其他如：ifnecessary,ifpossible,whennecessary,ifany,ifso27（3）連詞+形容詞/其他271._____________________(在北京的時(shí)候),IpaidavisittotheSummerPalace.2.______________________(當(dāng)是個(gè)年輕人的時(shí)候),AbrahamLincolnwasastorekeeperandapostmaster.3.Hehasnomoney.______(要是有的話),hewillgiveus.4._______________________(要是給更多的關(guān)注),Theboycouldhaveturnedoutbetter.When/WhileinBeijingWhen/AsayoungmanIfanyIfgivenmoreattentionto281._____________________(在北京的Practicemakesperfect!29Practicemakesperfect!29為了做到勞逸結(jié)合，我們會培養(yǎng)一些愛好。

Inordertostrikeabalancebetweenworkandplay,wewilltakeupsomehobbies.雖然他是一個(gè)瞎子，但他沒有被生活打敗。Heisnotdefeatedbylife,eventhoughheisblind.Translatethefollowingsentences:30為了做到勞逸結(jié)合，我們會培養(yǎng)一些愛好。TranslatetAlthoughtheauthorpointedoutthenegativefactorsofagingsocieties,healsomadepositivesuggestionsofdealingwiththepotentialproblems.雖然作者指出了老齡化社會的不利因素，但他也提出了解決這些潛在問題的積極建議。

TheWTOcan’tliveuptoitsnameifitdoesn’tincludeacountrythatishometoonefifthofmankind.

假如世貿(mào)組織不包括占世界人口五分之一的中國的話，那它就名不副實(shí)。31Althoughtheauthorpointedo3232Writeacompositionwith5sentencesaccordingtothegivensituation:

昨天上午，你驚悉你的朋友李華被一輛汽車撞傷住了院，事情經(jīng)過是：那天李華正要穿過大街，他很小心，直到看到綠燈亮?xí)r才開始過街?？僧?dāng)他剛要走到街心時(shí)，右側(cè)突然出現(xiàn)了一輛轎車，徑直朝他開來。他躲閃不及被撞出了幾米遠(yuǎn)。他立即被送進(jìn)醫(yī)院并動了手術(shù)。昨晚你去看他時(shí)，他雖已脫險(xiǎn)，但仍然臉色蒼白。參考詞匯：躲閃：dodge

右側(cè)：right-handside33Writeacompositionwith5sen體裁類別時(shí)態(tài)內(nèi)容及寫作建議信息點(diǎn):（1）穿過大街時(shí)他很小心，直到看到綠燈亮?xí)r才開始過街（2）剛要走到街心時(shí)，右側(cè)突然出現(xiàn)了一輛轎車，徑直朝他開來。（3）躲閃不及被撞出了幾米遠(yuǎn)（5）雖已脫險(xiǎn)，但仍然臉色蒼白。記敘文記事的文章過去時(shí)（4）立即被送進(jìn)醫(yī)院并動了手術(shù)34體裁類別時(shí)態(tài)信息點(diǎn):（1）穿過大街時(shí)他很小心，直到看到綠燈亮Theotherdayhewasgoingtocrossastreet.Hewasverycautiousanddidn’tgountilhesawthetrafficlightturngreen.Buthardlyhadhegottothemiddleofthestreetwhenacarsuddenlyappearedonhisright-handsideandcamedirectlytowardshim.ItwastoolateforLiHuatododgeandhewashitbythecarandthrownafewmilesaway.HewassenttohospitalstraightawayandwhenIwenttoseehimlastnight,hewasoutofdangerbutstilllookedpale.35TheotherdayhewasgoingAdverbialclauses

狀語從句36Adverbialclauses

狀語從句1狀語作用：修飾動詞、形容詞、副詞以及全句Westudyatschool

everyday．時(shí)間狀語地點(diǎn)狀語狀語從句種類：

地點(diǎn)、時(shí)間、原因、目的、結(jié)果、條件、讓步、比較狀語從句充當(dāng)句子的狀語時(shí)，起___________作用。狀語從句一般由____________引導(dǎo)，也可以由_______引起。從句位于句首或句中時(shí)通常用逗號與主句隔開，位于句尾時(shí)可以不用逗號隔開。副詞從屬連詞詞組37狀語作用：修飾動詞、形容詞、副詞以及全句Westudya一.時(shí)間狀語從句as/when/while(1)MotherwasworriedbecauselittleAlicewasill,especially________________fatherwasawayinFrance.as/when/while(2)_________theteachercamein,weweredoingourhomework.(3)________Tomwashangingaround,hecameacrosshisoldfriend.(4)_________timewentby,peoplebegantorealizetheimportanceofprotectingourenvironmentfrombeingpolluted.(5)Shesings_______shedances.WhenWhileAsasWhen(atorduringthetime

)引導(dǎo)的時(shí)間狀語從句可以表示時(shí)間點(diǎn)，也可以表示時(shí)間段，多用一般時(shí)態(tài)。While(duringthetime

)引導(dǎo)的時(shí)間狀語從句表示主語在一段時(shí)間內(nèi)所處的狀態(tài)，多用進(jìn)行時(shí)態(tài)。隨著…一邊…一邊…38一.時(shí)間狀語從句as/when/while(2)*until&till常?？梢酝ㄓ?，置于句首常用until。Onewithstrongperseveranceandpatiencewillinsistondoinghiswork__________heachieveshisgoal.till/untiltill/untiltill/until:直到……為止not…until/till直到……才Hedidn’trealizehehadwastedmuchtimeplayingcomputergamesuntilhefailedintheexam.倒裝:強(qiáng)調(diào):Notuntilhefailedintheexam,didherealizehehadwastedmuchtimeplayingcomputergames.Itisnotuntilhefailedintheexamthatherealized

hehadwastedmuchtimeplayingcomputergames.39*until&till常?？梢酝ㄓ茫糜诰涫壮Ｓ胾ntHehasmadegreatachievementsinhiswork_________hegraduated.

since/after小結(jié)：since引導(dǎo)時(shí)間狀語從句，意為“自從”。一般從句用一般過去時(shí)主句用現(xiàn)在完成時(shí)。Itis(hasbeen)+時(shí)間+since+從句(did)“自從……以來（已經(jīng)）多久了”我把集郵當(dāng)興趣愛好已有十年了。Itis(hasbeen)tenyearssinceItook

upthehobbyofcollectingstamps.40Hehasmadegreatachievements一…就…引導(dǎo)的時(shí)間狀語從句:ThePLAbegantohelpthevictims_________________________________________theygottotheearth-strickenarea.assoonas/themoment/theminute/immediately/directlynosoonerthan,hardly...when,scarcely…when主句中的動詞用過去完成時(shí)。放在句首時(shí)句子部分倒裝。(P235)

Nosooner

hadhesat

downthanhe

focusedonstudy.他一坐下來就專注于學(xué)習(xí)。_________hadhesat

down_____he

focusedonstudy.

whenHardly41一…就…引導(dǎo)的時(shí)間狀語從句:assoonas/the地點(diǎn)狀語從句42地點(diǎn)狀語從句7有志者事竟成Wherethereisawill,thereisaway.地點(diǎn)狀語從句通常由where,wherever引導(dǎo)，1.TheRedCrossisexpectedtosendhelp___________thereishumansuffering.2.Oneofthesuccessfulpeople’sstrongpointsisthattheycansucceed_________othersfail.whereverwhere

我們應(yīng)該到最需要我們的地方去。Weshouldgo_________weareneededmost.Weshouldgototheplace________weareneededmost.定語從句狀語從句wherewhere43有志者事竟成地點(diǎn)狀語從句通常由where,wherever原因狀語從句引導(dǎo)連詞：

because,becauseof,as,since,for44原因狀語從句引導(dǎo)連詞：91.WhydoyouwriteanEnglishresume?---Iwriteittoapplyforthepostoftrafficpoliceman,_________Iwanttoapplytheorytopractice.

because

because—回答why,直接原因,語氣最強(qiáng)．2.___________you’vemadeitupwithhim,youmightaswellgetonwellwith

hisfamily.

“既然”，一般用于句首。4.Shemustbedeeplymovedbyhiscourage_____hereyesbrimwithtears.forfor對前面分句的內(nèi)容加以解釋或推斷,不放在句首。3._____itisraining,you'dbettertakeataxi.已知事實(shí);眾所周知

Since

As451.WhydoyouwriteanEnglish在表語從句和強(qiáng)調(diào)句中，只能用because引導(dǎo).5.Itis________

heservesthepeopleheartandsoulthateveryonethinkshighlyofhim.because6.______________hiskindness，heiseasytomakealotoffriends.Becauseofbecause

of后只能接名詞、代詞或名詞性短語，不能跟句子46在表語從句和強(qiáng)調(diào)句中，只能用because引導(dǎo).5.It條件狀語從句47條件狀語從句12連接詞：if,unless(if…not),so/aslongas,onconditionthat…(只要;以...為條件)，incase(假使;以免)等Youcangoouttotakeexerciseonconditionthatyoufinishyourhomeworkontime.Takeanumbrellaincaseitrains.你可以出去鍛煉一下，條件是你要依時(shí)完成作業(yè)。帶把雨傘以防下雨。_________youworkhard,youwillfailtoachieveyourgoal.Unlessunless:除非,含有否定意義。48連接詞：if,unless(if…not),so/a1.Weformagoodhabitofgettingupearly__________________wecanmemorizewhatwehavelearnedmoreeasily.2.___________succeed,heworkeddayandnight.3.Hepracticeshispenmanship_____________makeagoodimpressiononothers.目的狀語從句

sothat,inorderthat,soasto,inorderto,sothat\inorderthatInordertoinorderto\soastoinorderto可以用在句首或句中，但soasto只能用在句中。49目的狀語從句

sothat,inorderthat讓步狀語從句________________Igethighgradesinmystudies,yetIstillfeelsomewhatafraidofmymother.Iwon'tlosecourage_________________Ifailtentimes.Although/Thoughevenif/eventhoughalthough/though不能與but連用，但可以與yet連用。連接詞：though/although；evenif/eventhough；however；whatever；wherever等引導(dǎo)50讓步狀語從句________________IgethAmixtureoffriendscanhelpmewith_________difficultiesIencounterinlife.______________asksforhelp,sheisreadytohelp.Nomatterwho=Whoeverwhateverwh-ever既可引導(dǎo)名詞性從句，又可引導(dǎo)讓步狀語從句。nomatterwh-只能引導(dǎo)讓步狀語從句。51Nomatterwho=Whoeverwhatever

Nomatterhowhard

hetries,hefailstocatchagoat.

無論有多困難，我們都要堅(jiān)持到底。

Nomatterhowdifficult

itis,wewillsticktoit/keepitup.我認(rèn)為孩子們想要什么就給什么是不明智的。這很容易寵壞他們。

Iconsideritunwisetogiveachildwhateverheorshewants.Thatiseasytospoilthem.52Nomatterhowhardhetries,2.Hewas____angry_____thathegaveventtohisangerbykickingthedoor.結(jié)果狀語從句1.Itgavehim_______ashock______hisfaceturnedwhite.suchthatsothatso+形容詞/副詞+thatsuch+形容詞+可數(shù)名詞復(fù)數(shù)/不可數(shù)名詞+thatso+little/few/much/many+可數(shù)名詞復(fù)數(shù)/不可數(shù)名詞+that3.Georgeearned_________________(太少錢了)hecouldn’taffordthecarhedesiredfor.solittlemoneythat532.Hewas____angry_____that她是一位如此細(xì)心周到的老師以至于學(xué)生都喜歡她。

Sheissoconsiderateateacherthatthestudentsallloveher.Sheissuchaconsiderateteacherthatthestudentsallloveher.so…that與such…that的區(qū)別such+a/an+形容詞+可數(shù)名詞單數(shù)+thatso+形容詞+a/an+可數(shù)名詞單數(shù)+that54她是一位如此細(xì)心周到的老師以至于學(xué)生都喜歡她。so…that方式狀語從句Guessthemeaningofthefollowingsentences.DoinRomeastheRomansdo.Leavethingsastheyare.入鄉(xiāng)隨俗。讓一切順其自然。55方式狀語從句Guessthemeaningofthe比較狀語從句as…as（和…一樣），notas/so…as（與…不一樣）,than(比）結(jié)果正如我們預(yù)料的那么好。

Theresultwasasgoodaswehadexpected.常見句型：the+比較級，the+比較級(陳述語序)Theharderyouwork,thegreaterprogressyouwillmake.56比較狀語從句as…as（和…一樣），結(jié)果正如我們預(yù)料的那么好Heisasdiligentashisdeskmate.Heisnotsodiligentashisdeskmate.Heworksashardashisdeskmate.Hedoesn’tworksohardashisdeskmate.“和…一樣…”，用“as+adj/advas…”結(jié)構(gòu)“不像…那樣…”,用“notas(so)+adj/advas…”結(jié)構(gòu)Heis___diligent___studentashisdeskmate.sb./sth.isas+adj+a/an+n.+as…Heisnot____diligent___studentashisdeskmate.

sb./sth.isnotso+adj+a/an+n.+as…asasoa57Heisasdiligentashisdeskm

倍數(shù)的表示方法

Ais…timesas+adj.+as+BAis…times+~er+than+BAis…timesthesize(length/width/depth/height…)ofBOurschoolisasbigastheirs.我們的學(xué)校是他們的四倍大。Ourschoolisfourtimes

asbigastheirs.Ourschoolisthree

times

biggerthantheirs.Ourschoolisfourtimesthesizeoftheirs.58Ourschoolisasbigastheirs1.Hisbrotheris____handsome____he(is).2.Yourhouseistwiceasexpensiveas_______(me).3.Thedriverdrivesfaster_____heusedto(drive).4._________knowledgewelearn,___________(happy)wewillbe.mine1.保持人稱代詞的格前后一致.如:1,2.2.倍數(shù)詞須加在比較結(jié)構(gòu)的前面.如:2.3.句中相同的成分,如動詞,常常省去.如:1,3.Themorethanasasthehappier591.Hisbrotheris____handsom狀語從句中的省略在含有狀語從句的復(fù)合句中,若從句的主句是it或與主句的主語相同，且在謂語中含有be時(shí)，常省略從句的主語和be。

60狀語從句中的省略在含有狀語從句的復(fù)合句中,若從句的主句是it1.Don’tspeakuntilyouarespokento.=Don’tspeakuntilspokento.2.Pressurecanbeincreasedwhenitisneeded.=Pressurecanbeincreasedwhenneeded.過馬路的時(shí)候要小心。Lookoutwhen/whilecrossingthestreet.(=when/whileyouarecrossing…)（）（）（1）連接詞+過去分詞（2）連詞+現(xiàn)在分詞611.Don’tspeakuntilyouares1.她急匆匆地走出屋去，好象很生氣的樣子。

Shehurriedlylefttheroomasthough/ifangry.(=asthough/ifshewasangry…)2.必要時(shí)，你應(yīng)該做筆記。

Youaresupposedtotakesomenoteswhennecessary.(=Whenitisnecessary,…)（3）連詞+形容詞/其他如：ifnecessary,ifpossible,whennecessary,ifany,ifso62（3）連詞+形容詞/其他271._____________________(在北京的時(shí)候),IpaidavisittotheSummerPalace.