1)主语从句
Itiscommonknowledgethathonestyisthebestpolicy.
Itisself-evident/conceivable/obvious/apparentthat…
Itgoeswithoutsayingthat…Itisuniversallyacknowledgedthat…
2)宾(表)语从句
Wecannotunderstandwhyhewassocrueltohisroommates.
Theproblemisnotwhowillgo,butwhowillstay.
3)定语从句(限定性和非限定性)
Asisshown/demonstrated/illustrated/depicted/described…inthecartoon/picture/graph/table…,
TherearemanyreasonswhyIwanttostudyinyouruniversity.
Itisestimatedthattensofbillionsofpoundsisspentoncigaretteseveryyearinourcountry,whichisahugewaste.
4)状语从句(时间,原因,地点,条件,让步,转折等)
Whenthemanisenjoyingthecigarette,thesmokebecomesamonster(怪物)whichwilldevourhim.
Whateverthereason,therearestillsomeproblemswithstudentuseofcomputers.
5)分词短语做定语或状语
Prof.Kangcametoouruniversity,givingusalectureonhowtoacquireEnglishbetter.
6)倒装句
Onlythroughthesemeasurescanwehopetosolvetheproblem.
Scatteredaroundtheglobearemorethan100smallregionsofisolatedvolcanicactivityknowntogeologistsashotspots.
7)被动句
Somemeasuresshouldbetakentodealwiththeproblem.
Heissaidtohaveaccomplishedalotofgreatdeeds.
Manypeoplebelievethat…(Itisbelievedthat…)
8)设问句
Doyoustillremembertheboywhocriedwolfforseveraltimessonoonewouldtrusthim?
1.Theadvantagesfaroutweighthedisadvantages.
2.TheadvantagesofAaremuchgreaterthanthoseofB.
3.AmaybepreferabletoB,butAsuffersfromthedisadvantagesthat...
4.Itisreasonabletomaintainthat...butitwouldbefoolishtoclaimthat...
5.Forallthedisadvantages,ithasitscompensatingadvantages.
6.Likeanythingelse,ithasitsfaults.
7.AandBhasseveralpointsincommon.
8.AbearssomeresemblancestoB.
9.However,thesameisnotapplicabletoB.
10.AandBdifferinseveralways.
11.Evidently,ithasbothnegativeandpositiveeffects.
12.Peopleusedtothink...,butthingsaredifferentnow.
14.WonderingasAis,ithasitsdrawbacks.
15.ItistruethatA...,butthechieffaults(obviousdefects)are...