1)Itis+形容词+that
Itisconceivablethatknowledgeplaysanimportantroleinourlife.
可想而知，知识在我们的一生中扮演着一个重要的角色。
2)Itis+形容词+todo/doing
Shehadsaidwhatitwasnecessarytosay.
3)祈使句/名词+and/or
Workhard,andyouwillfinallybeabletoreachyourdestination.
4)as+many/much+名词+as
ItissaidthatvisitorsspendonlyhalfasmuchmoneyinadayinLeedsasinLon-don.
5)倍数词+as+形容词+as
Thereservoiristhreetimesasbigasitwastenyearsago.
6)倍数词+more+名词/形容词十than
Smokingissoharmfultopersonalhealththatitkillsseventimesmorepeopleeachyearthanautomobileaccidents.
吸烟对人体健康的危害极大，每年死于吸烟的人比死于车祸的人多七倍。
7)(not)as/so...as(和……(不)一样)
Theenvironmentalproblemsarenotasseriousastheysuggestedintheirreport.
8)nomore...than(与……一样不)
Sheisnomorefittobeamanagerthanaschoolgirlwouldbe
9)Nothingismore...than(没有比……更……的;……是最……的)
Nothingismoreimportantthantoreceiveeducation.
10)感官动词+of+名词
Theyhurriedlyescapedintoacavethatsmeltofterror.
11)without/notsomuchas(甚至没有)
Disappointedwithherhusband，Marylefthomewithoutsomuchaslookingbackathim.
出于对丈夫的失望，玛丽离开了家，甚至都没有回头看他一眼。
12)may/mightaswell(…as)(与其……还不如……)
Onemayaswellnotknowathingatallasknowbutimperfectly.
13)too...to(太……而不能……;极其地)
Itwasnottoobrightofthemtosettleinanareawhereearthquakesfrequentlyoccur
他们选择在地震多发的地区定居，这可不是个明智的决定。
14)onlytofind/see(结果却;没想到会)
Hespentalmostallhismoneytobuythehenwhichwassaidtobeabletolaygoldeggs,onlytofinditcouldnotlayeggsatall.
为了买那只据说能下金蛋的母鸡，他几乎倾家荡产，没想到这只鸡根本不会下蛋。
15)Itisundoubtedthat/Thereisnodoubtthat(毫无疑问，……)
Thereisnodoubtthatwarcanbeavoidedifwegetdowntopeacetalk.
16)ratherthan(而不是……)
Ratherthanpursuemoneytoachievehappiness，weshouldfocusontheimprovementofourselves.
17)not...until(直到……才)
Wecan'treleasethefilmuntilwehavetheapprovalfromtheauthorityconcerned.
18)so/such(…)that(如此……以至于)
Withtherumorspreadingfast,theiranxietywassuchthattheycouldnotsleep/theybecamesoanxiousthattheycouldnotsleep.
19)(The)chancesarethat(很可能……)
Chancesarethatshehasalreadyknownit,andthereisnoneedforustokeepthesecret.
她很可能已经知道了，所以我们没有必要再保守这个秘密。
20)Itoccurredtosb.that(突然想到……)
IthadneveroccurredtoCinderellashewouldbecomeaprincesssomeday.
21)not...but...(不是……而是……)
Toourdisappointment,theplancausednotdevelopmentbutdestruction.
22)Itistakenforgrantedthat(……被认为是理所当然的)
Ithasbeentakenforgrantedthatwomenshouldtakeonallthehousework.
23)Itis/wassaidthat(据说)
Itissaidthatmanistheleastbiologicallydeterminedspeciesofallbecausehepossessesfeaturesabsentinothernaturalspecies.
据说人类是生物学上最难归类的物种，因为人类拥有其他天然物种所缺乏的特性。
24)Whenitcomesto...(提及，当提到……的时候)
Whenitcomestophysics,Iknownothing.
25)benotmuchofa...(是个不太好的……)
Mikeisnotmuchofateacherforheoftenskipsfromonesubjecttoanother.
麦克不是个好老师，因为他总是从一个话题跳转到另一个话题。
26)Asfarassb./sth.isconcerned(就……而言，在……看来)
AsfarasIamconcerned,fashionbelongstowomen.
27)notonly...butalso(不但……而且……)
Shakespeareisnotonlyagreatplaywrightbutalsoabrilliantpoet.
莎士比亚不仅是一位伟大的剧作家而且是一位才华横溢的诗人。
28)(n)either...(n)or...(既不……也不……;或者……或者……)
Likingneitherthestorynorthebackgroundmusic,hefellasleepinthecinema.
他既不喜欢故事情节也不喜欢背景音乐,所以在电影院里睡着了。
29)nosoonerthan/hardlywhen/scarcelywhen(刚……就……)
Ihadhardlyopenedthedoorwhenherushedin.
30)themore…themore(越……越……)
Thefasteracountry’seconomydevelops,thesloweritspopulationgrows.
