名词性从句和定语从句【考点点拨】名词性从句可分为主语从句、宾语从句、表语从句和同位语从句
近几年高考对名词性从句的考查重点如下:【考点1】名词性从句中引导词that与what的使用场合
1.that引导名词性从句时,不在从句中充当任何成分,只起连接作用;而what是连接代词,在从句中充当成分(主,宾,表)①______madetheschoolproudwas_______morethan90%ofthestudentshadbeenadmittedtokeyuniversities
What/becauseB
What/thatC
That/whatD
That/because2.that在主语从句、表语从句和同位语从句中不可省略,但当有两个和两个以上的宾语从句并列时,第二个从句以下的that不可省略
如:Shesaid(that)shehadleftschoolandthatherparentswouldfindherajob
②Wordcomes________agroupofAustralianguestswillcometovisitourschoolnextweek
whichC
aboutwhich3.介词后的宾语从句常用what,whether引导,不用that,which引导
但在介词besides,except,in后可用that引导宾语从句
在有it作形式宾语时,that可用来引导介词后的宾语从句
③Theotherday,mybrotherdrovehiscardownthestreetat____Ithoughtwasadangerousspeed
whichC
that【考点2】名词性从句中引导词whether与if的用法区别
引导及物动词或形容词后的宾语从句可以互换的场合:Heisnotsur