Unit5WorkingthelandDiscoverusefulstructuresSubjectclauses

Inthisclass,youwillidentifyandsummarizetheusesofnounclausesassubjects;usesubjectclausestotalkaboutsomething.

contentsThesubjectclauseⅠExercisesⅡHomeworkIIILead-inIV

ⅠLead-in

句子类型简单句并列句复合句主句形容词性从句(定语从句)名词性从句副词性从句(状语从句)主语从句宾语从句表语从句同位语从句从句Definitionandtypes:

ⅡThesubjectclause

主语从句定义主语从句连接词主语从句注意事项巩固练习Thesubjectclause1234

主语从句定义Part1

5.Tofindyourwaycanbeaproblem.4.Smokingisbadforyou.1.Janeworkshard.2.Youareastudent.3.Theoldshouldberespected.1.What’sthesubject?（什么是主语？）6.Whatshesaidisnotyetknown.结论：?主语是句子说明的人或事物，一般放在______。?一个句子来充当_______叫主语从句。句首主语主语从句作主语名词作主语代词作主语形容词作主语动名词作主语动词不定式作主语

1.主语从句的定义：在句中充当主语的从句叫做主语从句。它是名词性从句之一，使用陈述句语序。即主语在前，谓语在后。主语Hisjobisimportant.Whathedoesisimportant.引导的连接词有从属连词、连接代词和连接副词。

2.主语从句语序Whenwillhecomeisnotknown.Whenhewillcomeisnotknown.√×主语从句一律用陈述语序，即主语在前，谓语在后。例如：Whethertheywouldsupportuswasaproblem.Whatshesaidistrue.Wheresheisfromisunknown.Whentheywillstartisnotknownyet.

主语从句连接词Part2

1.课文原句回顾1.However,????concernedhimmostwas????farmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.2.????thiscouldbedonewasachallengingquestionatthetime.3.However,????itwaspossibletodevelopahybridofself-pollinatingplantssuchasricewasamatterofgreatdebate.4.Today,????isestimated????about60percentofdomesticrice...5.????impressespeoplemostaboutYuanLongpingishisongoingabilitytofulfilhisdreams.whatthatHowwhetheritthatWhat

2.主语从句的连接词引导主语从句的连接词有从属连词、连接代词和连接副词。引导主语从句的从属连词有：that、whether、if引导主语从句的连接代词有：who、whoever、whom、whose、what、whatever、which、whichever引导主语从句的连接副词有：when、where、how、why

1.ThatIloveEnglishisreal.2.Thatyoucantravelaroundtheworldisamazing.3.Whetherhewillcomeisuncertain.4.Whethertheboycould