名词性从句 (2)

名词性从句 一 相关概念 1 名词 表示人或事物的名称的词2 名词的句法作用 名词在句中主要作主语 宾语 表语和同位语等 3 名词性从句 在英语的句子结构中 本来该由名词充当的主语 宾语 表语和同位语 由一个句子来充当 这个句子就叫 名词性从句 名词性从句 主语从句 宾语从句 表语从句 同位语从句 1 Whowillwinthematchisstillunknown 2 Iwanttoknowwhathehastoldyou 3 Thefactisthatwehavelostthegame 4 Thenewsthatwewonthegameisexciting 主语从句 宾语从句 表语从句 同位语从句 指出下列名词性从句的类别 连接词有that if whether连接代词有who what which whoever whomever whichever whatever连接副词有when where how why 名词性从句的引导词 1 that与what2 What和which3 if或whether4 who when where why how 引导词的选用 1 连接词 that与what的区别 1 Theydon tknow that heisafamousdoctor 2 Idon tunderstandwhathesaidjustnow 3 ThisiswhatIwant 4 ThatYaoMingisafamousbasketballplayerisknowntoallofus that只起连接作用 无意义 在从句中不充当任何成分 引导宾语从句可以省略 引导主语从句 表语从语 同位语从句不能省what既有连接作用 又要在从句中作成分主语 宾语 表语 表示 的东西 物 话等 等不同概念 hesaidatthemeetingmadeusangry 2 Chinaisnolonger itusedtobe 3 Ourteacheralwaystoldus weshouldstudyhard 4 surprisedmemostwas shespokeEnglishsowell 5 Amoderncityhasbeensetupin wasawastelandtenyearsago A whatB whichC thatD where6 theearthisroundisknowntousall What what that 练一练 What that That 区别what和whichwhat 什么 which 哪一个 表选择 有一定的范围 1 Doyouknow Mr Black saddressis HemayliveatNo 18orNo 19ofBridgeStreet I mnotsureof 2 Ireadaboutitinsomebookorother doesitmatter itwas what which which if或whether Whetherthesportsmeetingwillbeheldisnotknownyet Wecan tdecideif whetherthedoctorwillcome Idon tknowwhetherornotitwillraintomorrow Whetherwewillgocampingthisweekenddependsonwhetherwewillhavefinishedourwork Oneoftheproblemsiswhethertheyarewillingtohelpus Thequestionwhethertheywillcomeontimeworriesus 1 youarenotfreetomorrow I llgowithoutyou 2 Sendmeatelegramyouaretocome 1 宾语从句中if whether都可使用 2 名词性从句中只能用whether的情况a 放句首的主语从句b 表语从句和同位语从句c 介词后面的宾语从句d 后面紧跟or或ornot时 If if 归纳 注 If引导条件状语从句可放句首 1 Idon tknow I llbefreetomorrow 2 Idon tknow ornotshewillgothere 3 Thequestionis thisbookisworthwriting 4 Itdependson wewillhaveenoughmoney 5 theycandoitmatterslittletous whether if whether whether whether Whether Practise 用if或whether填空 madetheschoolproudwas morethan90 ofthestudentshadbeenadmittedtokeyuniversities Elephantshavetheirownwaytotelltheshapeofanobjectand itisroughorsmooth 3 theseyoungmenlostismuchmoreimportantthan theygot 4 Therearesomanybooksontheshelf andIdon tknow bookisbestformystudy What that whether What what which 三 观察下列句子并归纳who when where why how的用法1 Whyshedidthisisstillunknown 2 Pleasedon ttellmymotherwhenI llgivehermygift 3 Howhefinisheddoingthatisnotimportant 4 Wherewewillgohasn tbeendecidedyet 5 Whowillattendthemeetinghasnotbeenannounced 6 Thedoorbellisringing Goandseewhoitis 归纳 在名词性从句中 who在从句中可充当 表示 谁 when where why how在从句中充当 表示 什么时候 表示 在哪里 表示 怎样 表示 为什么 的原因 主语 表语 状语 when where how why 练一练 1 hepersuadedthemanagertochangetheplaninterestedallofus 2 willgoisnotimportant 3 Iwonder herefusedmyinvitation 4 Ihavenoidea hewillcomeback 5 Hedidn tknow helosthiswalletyesterday How Who why when where 回顾与归纳 名词性从句到底选用什么词来引导 主要看从句的句子结构 1 如果从句缺主语 宾语或表语考虑选用连接代词 who 指人 whom 指人 what 指物 2 如果从句句子结构完整 可选用连接词that 没实际含义 if whether 是否 和连接副词when 什么时候 where 在哪里 how 怎么样 如何 why 为什么 名词性从句中引导词后可接的句子成份 that 主谓宾whether 主谓宾what who 谓语 宾语what whom 主语 谓语when where why how 主谓宾 Weallknow 1 theChinesedietisconsideredtobethe 2 healthy dietintheworldbecauseit 3 contain alotoffruit 4 greenvegetables Itisrichinfiberandlowinsugarandfat How 5 thewesternfood Ithastoomuchfatintheform 6 potatochips chocolateandsoon 7 theyeatisalsorichinsugar 8 aresult the 9 west usuallybecomeveryfatandhavebadteeth andmanyofthemevendie 10 anearlyagefromheartillnesses 语法填空 Weallknow 1 theChinesedietisconsideredtobethe 2 healthy dietintheworldbecauseit 3 contain alotoffruit 4 greenvegetables Itisrichinfiberandlowinsugarandfat How 5 thewesternfood Ithastoomuchfatintheform 6 potatochips chocolateandsoon 7 theyeatisalsorichin