名詞性從句的種類PPT課件

.,1,名詞性從句的種類,主語從句賓語從句表語從句同位語從句,.,2,主語從句注意點,1).主語從句一律用陳述句語序,即主語在前,謂語在后.例:誤:Whenwillhecomeisnotknown.正:Whenhewillcomeisnotknown.,.,3,主語從句注意點,2).連接詞that在從句中無實際意義,但不能省略.例:誤:Hewillnotcometothemeetingthiseveningistrue.正:Thathewillnotcometothemeetingthiseveningistrue.,.,4,主語從句注意點,3).whether可以引導主語從句,但if不能。例:誤:Ifthemeetingwillbeheldisstillnotknow.正:Whetherthemeetingwillbeheldisstillnotknow.,.,5,主語從句注意點,4).為避免主語冗長,句子頭重腳輕,經(jīng)常用it作形式主語,主語從句放在后面作真正的主語.例:Itiswellknown/reported/thought/saidthatItisclear/necessary/certain/true/doubtfulthatItdoesntmatterwhether/ItseemsthatItisapity/ashame/anhonorthat,.,6,賓語從句注意點,1).賓語從句一律用陳述句語序.2).引導賓語從句的連詞that也無實際意義,多數(shù)情況下可以省略.,.,7,賓語從句注意點,3).whether和if都可以引導賓語從句，但:(1)當whether后緊跟ornot時,不用if.例:IdontknowwhetherIwillstayornot.(2)介詞后面的賓語從句不能用if.例:IworryaboutwhetherIhurtherfeeling.,.,8,表語從句注意點,1).表語從句一律用陳述句語序.2).表語從句的引導詞that無實際意義,但不能省略.3).表語從句只能用whether,而不能用if引導.,.,9,表語從句注意點,4).不要使用Thereasonisbecausethat句型,應使用Thereasonisthat或This/it/that/isbecause等句型.例：誤:Thereasonwhyhewaslateisbecausethattherewasalotoftrafficontheroad.,.,10,表語從句注意點,(1)Thereasonisthat正:Thereasonwhyhewaslateisthattherewasalotoftrafficontheroad.(2)This/it/that/isbecause或:Hewaslate.Thatwasbecausetherewasalotoftrafficontheroad.,.,11,同位語從句注意點,同位語從句和定語從句的三點區(qū)別：從性質(zhì)上區(qū)別從詞類上區(qū)別從引導詞及其在句子中的成分上區(qū)別,.,12,同位語從句注意點,1.從性質(zhì)上區(qū)別：定語從句是從句對其先行詞的修飾或限制,屬于形容詞性從句的范疇;同位語從句是從句對前面抽象名詞的進一步的說明和解釋,屬于名詞性從句的范疇。,.,13,同位語從句注意點,從性質(zhì)上區(qū)別:Thenewsthathetoldmeyesterdaywastrue.2)Thenewsthatourteamhaswonthegamewastrue.,.,14,同位語從句注意點,2.從詞類上區(qū)別：同位語從句的先行詞只能是idea,fact,news,belief,suggestion等抽象名詞。定語從句的先行詞可以是名詞、代詞、主句的部分或是整個主句。,.,15,同位語從句注意點,2.從詞類上區(qū)別:1）Wearenotlookingintothequestionwhetherheisworthtrusting.2）Ourteamhaswonthegame,whichmadeusveryhappy.,.,16,同位語從句注意點,3.從引導詞及其在句子中的成分上區(qū)別:1)有些引導詞如how,whether,what可以引導同位語從句,但不能引導定語從句。(if不能引導同位語從句)例：Ihavenoideawhetherhecouldsucceedingettingintothecollege.,.,17,同位語從句注意點,3.從引導詞及其在句子中的成分上區(qū)別:2）that引導定語從句時,在從句中一般作主語或賓語(指物時還可以用which代替),并且作賓語時常常省略。that在同位語從句中僅起連接作用,不充當任何成分,并且不能省略,也不能用which來代替。,.,18,同位語從句注意點,例：1）Theorderthatweshouldsendafewpeopletohelptheothergroupswasreceivedye