文档介绍：GrammarUnit2Nounclauses1TitleWhatarenounclauses?SubjectclausesObjectclausesPredicativeclausesAppositiveclausesOverallpracticeandconsolidationWhatarenounclauses?Nounclausesactlikenounsandcanfunctionasthesubject,object,,’))_______Ineedisagoodnight’))?WhatThatThatWhatWhenintroducingthesubjectclause,’,monstructureswith“it”(1)Itis+名词+从句Itisafactthat…事实是……Itisanhonorthat………monknowledgethat………是常识(2)Itis+形容词+从句Itisnaturalthat…很自然……Itisstrangethat…奇怪的是……Commonstructureswith“it”(3)Itis+不及物动词+从句Itseemsthat…似乎……Ithappenedthat…碰巧……Itappearsthat…似乎……(4)It+过去分词+从句Itisreportedthat…据报道……Ithasbeenprovedthat…已证实……Itissaidthat…据说……