NounClauseasthesubjectUnit4grammarLearninggoals1.Learnthesentencestructureofthesubjectclause.2.Learntousethesubjectclause.什么是主语从句?主语{Hisjobisimportant.Whathedoesisimportant.一个句子充当主语时叫做主语从句。1.Thathewillcomeiscertain.2.Whetherhewillcomeisnotclear.3.Whatshesaidisnotyetknown.4.Whowillgohasnotbeendecided.5.Whichsidewillwinisnotclear.6.WhateverIhaveisyours.7.Whoevercomesiswe...