名词性从句讲义1.名词性从句的定义1.名词性从句的定义2.引导词的由来2.引导词的由来3.名词性从句的语序名词性从句的语序、3.名词性从句的语序、时态及单复数概念4.名词性从句与4.名词性从句与it5.whether5.whether与if的辨用6.that不可省略的几种情况6.that7.表语从句中的7.表语从句中的that,because和why8.同位语从句8.同位语从句PK定语从句TaskI什么叫“名词性从句”？什么叫“名词性从句”名词性从句在功能上相当于名词名词性从句的定义在复合句中起?/b>作用的从句叫名词性从句(NounClauses）。名词从句的功能相当于名词词组,它在复合句中能担任主语、宾语、表语、同位语、介词宾语等，因此根据它在句中不同的语法功能，名词从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。Practicetime：指出下列各名词性从句的种类1.Atlunchtime,theradioweathermanreportedthatthemistwouldbecomeathickfogintheafternoon.2.Shewonderedifthebuseswouldstillberunning.3.Thetruthisthatthefogistoothickforthebustorunthatfar.4.Shesensedthatshewasbeingwatchedbyatallmaninadarkcoat.5.Whenwewillstartisnotclear.6.Ihadnoideathatyouwereherfriend.TaskII引导词的由来用名词性从句合并以下句子1.Theyaregooddoctors.Hetoldus.→2.Hehadn’tsaidanythingatthemeeting.Thefactsurprisedus.→3.Doesyoursistergetupearly?Doyouknow?→4.Doanimalshavethesamesensesashumans?Ioftenwonder.→5.Whendidhebuythisnewbike?Couldyoutellme?→6.Myquestionisthis:wherewillthelecturebegiven?→TaskIII名词性从句的语序、时态及单复数概念名词性从句的语序、1.ThatIcanpaybackthehelppeoplegivememakesmehappy.2.Itwasgoodnewsthateverybodygotbacksafely.3.Shesensedthatshewasbeingwatched.4.Thetruthisthatthefogistoothickforthebustorunthatfar.5.Whetherhewillcomeornotisunimportanttome.总结：名词性从句必须用陈述句语序。宾语从句的时态必须与主句保持一致。另外，一般情况下，名词性从句均看作单数概念。Practicetime.单句改错1.Thattheearthturnsaroundthesunareknowntoall.2.Whenthemeetingwillbeheldhaven’tbeenknownyet.3.Ididn’tknowthatyouwillcome.4.Hesaidthatheiswritingastory.5.Couldyoutellmewhenwillhearrive?6.YoucanbegintoseewhydoesEnglishhavesuchstrangerules.TaskIV名词性从句与it★★当主语从句放在句首使句子显得笨重时，一般把它移到句子后面，前面用引导词it作形式主语。What引导的主语从句例外。It’sapitythatyoumissedthefilm.Itmakesnodifferencewhetherhewillattendthemeetingornot.ItissaidthatthenovelhasbeentranslatedintoEnglish.★★动词think,make,feel,consider等后常用it作形式宾语来代替that引导的定语从句。Weallthoughtitgoodnewsthatthefoghadfinallygone.Theconductorhasmadeitclearthatnobuseswillberunning.Iconsideritnecessarythatweshouldaskhimforadvice.Practicetime:用形式代词it转换下列名词性从句1.Whobrokethegl