名词性从句-主语从句市公开课一等奖省赛课微课金奖课件.pptx

请君思索：请君思索：1.从句特点?2.名词性从句类别？3.名词性从句连词有哪几大类？其特点？4.能否举几个接形式宾语it宾语从句？5.那些动词宾语从句需要虚拟？6.表语从句特殊关联词有哪些？7.Whether和If使用方法有哪些区分？8.从句解题步骤是什么？第1页Warming-upRead and find out the sentences with a subject clause in the reading passage?1)What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.2).The earth became so violent that it was not clear whether the shape would last or not.第2页4).What scientists think is that the earth was different because of 6).Whether life will continue on the earth for millions of years to come will depend on 3)What is even more important is that as the earth cooled down,water began to appear on its surface.5)Why they suddenly disappeared still remains a mystery.第3页共同特点：共同特点：1）都有一个引导词）都有一个引导词 2）引导词做句子成份？引导词做句子成份？3）引导词有其汉语意思？引导词有其汉语意思？第4页1.名词性从句类别？2.关联词有那几大类？3.能否举几个接形式宾语it宾语从句？4.那些动词宾语从句需要虚拟？5.表语从句特殊关联词有哪些？第5页一、名词性一、名词性从句从句Noun Clause宾语从句宾语从句表语从句表语从句主语从句主语从句同位语从句同位语从句作用相当于名词作用相当于名词第6页（三）、（三）、主语主语从句从句Subject Clause做主语用名词性从句，因其在复合句中做做主语用名词性从句，因其在复合句中做主语，又称主语从句，主语，又称主语从句，第7页1.隶属连词隶属连词that 1)That her hair was turning gray worried her a bit.=It worried her a bit that her hair was turning gray.2)That computers have changed our life is known to everyone.=Its known to everyone that computers have changed our life.结论：结论：that 无含义无含义,不做成份不做成份,但不能但不能省省。第8页2.隶属连词隶属连词whether Whether the headmaster will support us is a problem.结论：结论：whether 表表“是否是否”，不可换成，不可换成if第9页3.连接代词连接代词what 1)What I cant understand is why he is often absent from school.2)What parents say and do has a life-long effect on their children.(07 陕西陕西)3)What matters most in learning English is enough practice.(07 全国）全国）结论：结论：what“所所”，在从句中做，在从句中做主、宾、表语成份。主、宾、表语成份。第10页4.连接代词连接代词whatever 1)Whatever was said here must be kept a secret.2)Whatever David says sounds right to Helen.3)Whatever I may do is supported by my parents.结论：结论：whatever在从句中充主、宾语，在从句中充主、宾语，表表“不论什么不论什么”=anything that 第11页5.连接代词连接代词who 1)Who will be the next mayor is not our concern.2)Who will attend the meeting has no been decided.3)Who is to blame remains a question.结论：结论：who在从句中充当主语，在从句中充当主语，带有疑问含义。带有疑问含义。第12页6.连接代词连接代词whoever 1)Whoever works hard is respected by others.2)Whoever breaks school rules will be punished.3)Whoever does so will regret later.结论：结论：whoever 表示表示“不论谁不论谁.”=anyone who第13页7.连接代词连接代词which Which class will be number one remains to be seen.结论：结论：which表表“哪一个哪一个”第14页 1)When the wedding will be held is clear to everyone now.2)Where you were born is not important.3)How you dress reflects your personality.4)Why she dresses so beautifully is an open secret.结论：结论：引导词分别充当从句中时间状、地引导词分别充当从句中时间状、地点状、方式状、原因状点状、方式状、原因状8.连接副词连接副词第15页9.9.主语从句过长，惯用主语从句过长，惯用it it 做形式主语做形式主语,而把主语从句放在句末，惯用句型有：而把主语从句放在句末，惯用句型有：1）It+be+n.+主语从句主语从句It is a fact(an honor,a pity,no wonder,no surprise etc.)+that从句从句2)It be+adj.+主语从句主语从句It is obvious(true/certain/strange/surprising/possible/likely etc.)+that从句从句第16页3)It be+v.ed+从句从句It is said(reported/thought/known/expected etc.)+that 从句从句4）It+vi.+从句从句It seems(looks/happened/appears etc.)+that 从句从句第17页Read and translate:It is a pity that we cant go.It is no wonder that our team have won the game.It is an honor that I was invited to attend the meeting.It is certain that she will do well in her exam.It is reported that China has sentanother manmade satellite into orbit.第18页It happens that they were absent.It doesnt matter whether she will come ornot.It makes no difference where we shall have the meeting.第19页主语从句六注意：主语从句六注意：1.关联词不能省；关联词不能省；2.从句做主语，谓语动词用单数；从句做主语，谓语动词用单数；3.从句用陈说语序；从句用陈说语序；4.it做形式主语；做形式主语；5.主语从句用主语从句用whether不用不用if;6.对比：对比：what&that，who&whoever第20页EXS：1.判断正误判断正误1）They should like each other is natural.2）That they should like each other is natural.3）It is natural（that）they should like each other.4）If Mary really heard him is really doubtful.5）How much can we spend must be agreed on 第21页1.I have always been honest and straightforward,and it doesnt matter _that Im talking to.(年广东省卷年广东省卷)A.who is it B.who it is C.it is who D.it is whom 2.It is pretty well understood _ controls the flow of carbon dioxide in and out the atmosphere today.(上海上海)A.that B.when C.what D.how 第22页3._ made the school proud was_ more than 90 of the students had been admitted to key universities.（上海春季）（上海春季）A.What;because B.What;thatC.That;what D.That;because第23页4._ we will go camping tomorrow depends on the weather.A.If B.Whether C.That D.Where5._ that they can pass the written exam this time.A.That is hoped B.It is hoped C.It hopes D.That hopes第24页6.It was doubtful _ Mary really heard him.A.that B.if C.whether D.what第25页Reading comprehension:Put the following sentences into Chinese:1.What it was to become was a mystery until the dust began to slowly combine into a ball moving around the sun.2.随即它会变成什么曾经是一个谜，直到最终这团尘埃开始慢慢地合成一个围绕太阳运转球状物。3.2.The problem was that the earth became violent because it was not clear whether the solid shape was to last or not.4.问题是地球（开始）变得激烈动荡，不知道这个固体形状是否会继续存在下去。第26页3.It allowed the earth to dissolve harmful gases,which had become part of the earths atmosphere,into the oceans and seas.它使得地球得以把曾经存在于大气层中有害气体，溶解在海洋里。4.Whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved.在未来千百万年中，生命能否在地球上延续将取决于这个问题能否得到处理。第27页HomeworkReview the subjective clause.P29 Ex2,3P 64 Ex2第28页