名词性从句定义:在句子中起名词作用的句子叫名词从句(NounClauses)
名词性从句包括主语,宾语,表语,同位语从句
★名词性从句中使用陈述句语序
①从属连词that;whether;if(只起引导从句的作用,在从句中不做句子成分)②连接代词what,whatever,who,whoever,whom,whomever,whose,which,等
分类中做主语,宾语,表语,定语等句子成分
③连接副词when,where,how,why,whenever,however,wherever等在从句中做状语成分
引导名词性2
名词性从句的连接词选用原则:“缺什么就补什么”从句的连接词Iknowwhatheistalkingabout
(从句中缺宾语,指物)Doyouknowwhoheis
(从句中缺表语,指人)Wherehewillgoisunknown
(从句中缺地点状语)I’msurethattheywillcometomorrow
(从句中什么都不缺)Idon’tknowwhichbookIshouldchoose
(从句中缺定语)定义:充当主语功能的句子叫主语从句Thatshewaschosenmadeagreatstir(轰动)inherschool
注意:①it作形式主语的that-从句有以下四种不同的搭配关系:It+be+形容词+that-从句Itisnecessary/importantthat…
…是有必要/重要的…
It+be+-ed分词+that-从句Itisuniversallyacknowledgedthat
/Itisknownthat…众所周知…It+be+名词+that-从句Itiscommonknowledge/afactthat………是常识/事实It+不及物动词+that-分句Ithappensthat…碰巧
/Itoccur