英語中總共有六大從句-區(qū)分方法

1、英語中總共有六大從句區(qū)分方法用法及例子如下：1.主語從句1）主語從句可直接位于主語的位置如果從句較長謂語又較短可用it作形式主語而將從句放在句末.常見的句型有：Itisafactapityaquestiongoodnewsthat...Itseemsappearshappenedhasturnedoutthat...Itisclearimptantlikelypossiblethat...Itissaidreptedestimatedh

2、asbeenprovedthat...Itissaidthatcomicbookscreateaconnectionbetweenpeopleofthesamegeneration.Itseemsthattheperfmanceisveryuseful.2)what引導的主語從句表示“...的東西時”一般不用it作形式主語.Whatwelackisexperience.3)whatwhowhenwhywhether等詞含有各自的疑問意義

3、但它們引導的主語從句都用陳述語序.Howtheplanistobecarriedoutshouldbediscussedagain.IdidknowwhyIfeltlikecrying.2.賓語從句1）賓語從句可位于及物動詞、介詞和某些形容詞后.連詞that?？墒÷?介詞后一般接疑問詞引導的賓語從句.inthat(因為)exceptthat(除了)butthat(只是）已構成固定搭配其他介詞后一般不接that引導的賓語從句.Ipromi

4、sedthatIwouldchangethesituation.AllthisisdifferentfromwhatAmericanyoungpeoplewouldsayaboutfriendship.Heiscertainthatwatchingsomuchtelevisionisnotgoodfchildren.Thisarticleiswellwrittenexceptthatitisabittoolong.2)賓語從句后如有賓補

5、要用形式賓語it來代替而把賓語從句移至賓補之后.Hehasmadeitclearthathewouldnotchangehismind.3)在thinkbelievesupposeexpect等動詞后的賓語從句中如果謂語是否定的一般將否定詞移至主句謂語上賓語從句則變成肯定形式.Hedidntthinkthatthemoneywaswellspent.3.表語從句表語從句出現在結構為“主語系動詞表語從句”的句子中.表語從句除可用thatw

6、hatwhenwhywhetherhow等引導外還可由becauseasif(though)等引導.that?？墒÷?如主句主語為reason只能用that引導表語從句不可用because.PerhapsthemostimptantthingtorememberisthatthereisnoonecommontypeoflifeinAmerica.Thereasonwhysomanypeoplediedthereisthattherew

7、erenotenoughfoodsupplies.Itlooksasifsuccessfulinternationalculturalcommunicationwillmakethewldsmaller.4.同位語從句同位語從句用于對前面出現的名詞作進一步說明一般用連詞that引導由于先行名詞的意義不同也可用whetherwhowhenwherewhatwhyhow等引導.常見的先行名詞有factideabeliefnewshopeco

8、nclusionevidencesuggestionderproblemreptdecision.有時由于謂語較短將同位語從句位于謂語之后.Shefinallymadethedecisionthatshewouldjointhefashionshow.IhadnoideahowmanybooksIcouldbrowatatime.代替主語)6.狀語從句時間狀語從句引導時間狀語從句的從屬連詞和詞組有：1）whenwheneverwhile

9、asafterbefesincetilluntilonce等.Wehavelearntquitealotaboutitsincewecamehere.2)assoonashardly(scarcely)...whennosooner...thaneach(every)timethemomentimmediately(that)等.AssoonasIsentanemailmessageIreceivedpositiveresponses.

10、Themomentheheardthegoodnewshejumpedwithjoy.地點狀語從句引導地點狀語從句的連詞是wherewherever.Wherevershewentshetookherlittledaughterwithher.原因、結果和目的狀語從句1）引導原因狀語從句的從屬連詞有：becauseassincenow(that)seeingthatconsideringthatinthat等.Consideringth

11、atheisafreshmanwemustsayheisdoingwell.2)引導結果狀語從句的連詞有：so...thatsuch...thatsothatthatso等.MickeyMouseissoattractivethatthechildrenarereluctanttoleave.3)引導目的狀語從句的連詞有：sothatinderthatffearthatlest等從句常使用maymightcancouldwould等情態(tài)

12、動詞.Wegotupearlythismningsothatwecouldcatchthefirstbustotherailwaystation.條件和讓步狀語從句1）引導條件狀語從句的連詞和詞組有ifunlessas(so)longasonconditionthatincaseprovided(providing)thatsupposing等.Aslongasyouhavetherightequipmentyoucanuseatele

13、phonelinetotransmitcomputerdata.2)引導讓步狀語從句的連詞和詞組有thoughalthoughwhethereventhoughevenifnomatterwhat(whenhow...)whatever(wheneverwhereverhowever.)等.thoughevenif等引導狀語從句可轉換成含有as的部分倒裝結構具有強調意義.其結構為“形容詞（副詞、動詞、名詞）as主語謂語”.Nomatte

14、rwhatyoumaysayIwouldnotchangemymind.Youngasheisheisquiteexperiencedinthiswk.(=thoughheisyoung)ChildasheishecanspeakEnglishfluently.(=thoughheisachild)方式狀語從句引導方式狀語從句的連詞有asjustasasifasthough等.asifasthough引導的狀語從句中謂語動詞常用虛擬語氣