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,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Subject Clause,Subject Clause,学习目标：,1.掌握主语从句的基本概念；,2.能从句中找出主语从句，并翻译句子；,3.能够概括出主语从句的引导词；,4.学会根据句意选择恰当的引导词。,学习目标：,Revision,Find the subjects in the following sentences.,1.A tree has fallen across the road.,2.You are a student.,3.To find your way can be a problem.,4.Smoking is harmful to you.,5.What she said is not yet known.,6.That we shall be late is certain.,7.Its certain that we shall be late.,Revision Find the subjects in,主语从句,在句中充当主语的从句叫做主语从句。,主语从句在句中充当主语的从句叫做主语从句。,1That he will come is certain.,2Whether it will please them is not easy to say.,3What seems easy to some people seems difficult to others.,4Which side will win is not clear.,5Why he did it remains a mystery.,6When they will start is not known yet.,7How he became a great scientist is known to us all.,8Who will take part in the meeting has not been decided.,9Whoever breaks the law will be punished.,10Where she is from is unknown.,Find the subject clauses in the following sentences,and translate them.,思考：主语从句有哪些引导词，这些引导词如何选用？,1That he will come is certain.,主语从句的引导词：,连词,that,whether,连接代词,who(ever),whom(ever),which(ever),what(ever),连接副词,where,when,why,how,主语从句的引导词：,依据,“缺什么补什么”,原则确定正确的连词。,所谓“缺什么补什么”是指句型结构与连词之间的关系。如果句子中缺主语，指人用who，指物用what；如缺宾语，指人用whom，指物用what；如缺时间状语用when；地点状语用where；原因状语用why；方式状语用how；定语用what或which；什么都不缺用that。,Where,he will go is unknown.,What,you said yesterday is right.,That,he knows Japanese is known to all.,Whether,he is coming doesnt matter much.,依据“缺什么补什么”原则确定正确的连词。所谓“缺什么补什么”,Complete the sentences using,what,whether,where,when,，,who,why,how,or,that,.,1.(_ is needed for success),is,your hard work.,3.(_ we will go tomorrow),hasnt,been decided yet.,2.(_ they will arrive),has,been told to the teacher.,4.(_ can join in the sport meet),is,decided by the teacher.,5.(_ it will rain or not),is,not clear.,7.(_ the earth is a solid ball),is,known to us all.,What,When/How,Where/whether,Who,Whether,That,6.,(_ the earth is becoming warm),is,a good topic for research.,Why,主语从句作主语时，谓语动词一般用单数形式。,Conclusion:,Complete the sentences using w,注 意：,What you left,are,only several old,books.,What you said,is,of great importance.,Whetherhellcomehere,is,notclear.,1.“,if”不能引导主语从句，应有“whether”引导。,3.主语从句的“,that”一般不能省。,4.“,what”引导主语从句时，谓语动词：,1）常与其后的名词作表语一致 2）根据句子的语境而定。,4.主语从句需注意的问题,2.主语从句中用陈述语序,注 意：What you left are only se,1._ you dont like him is none of my business.,2._ he said at the meeting astonished everybody present,3._ the 2000 Olympic Games will be held in Beijing is not known yet.,4._ well go camping tomorrow depends on the weather.,5._ leaves the room last ought to turn off the lights.,That,What,Whether,Whether,Whoever,选择恰当的连接词,1._ you dont like him i,Make sentences,Its certain.,well be late.,Is he coming or not,？,We dont know,What does he want to tell us?,We dont know,When will you come back?,It doesnt matter.,Its certain that we will be late.,That well be late is certain.,We dont know whether he is coming or not,Whether he is coming is not known.,We dont know what he wants to tell us.,What he wants to tell us is not known.,When you will come back doesnt matter.,It doesnt matter when you will come back.,Make sentences Its certain.I,_,he made an important speech at,the meeting was true.,A.That B.Why C.What D.How,2._,well go camping tomorrow depends on the weather.,A If B Whether,C That D Where,Choose the best choice,_ he made an important speec,3,.,It worried her a bit _ her hair was turning gray.,whether B.that,C.what D.when,4,.What I say and think _ none of your business.,A.is B.are C.has D have,3.It worried her a bit _ he,It+be+形容词 that从句,It is necessary that 有必要,It is important that.重要的是,It is obvious that 很明显,It+be+-ed分词 that从句,It is believed that 人们相信,It is known to us/all that.众所周知,It has been decided that 已经决定,用it形式主语的that从句有以下四种不同的搭配：,It+be+形容词 that从句It is ne,It+be+名词 that从句,It is common knowledge that 是常识,It is a surprise that.令人惊奇的是,It is a fact that 事实是,It+不及物动词 that从句,It appears that 似乎,It happens that.碰巧,It occurred to me that 我突然想起,It+be+名词 that从句It is com,
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