人教版(新教材)高中英语选修1Unit5 Working the Land精品学案：Grammar-主语从句

1、Grammar主语从句图解语法脉络thal在从句中的作用不充当旬子成分，只起连接作用Alt+be+形 容词+that从 句，hai引导的主语从句 卜 常用it作形式主语，将由*引导lt+be+名词短语+that从句的圭语从句后置匕常见句型有：分词+.从句其他主语从句）-作用主语从句）-作用whcther/i f引导的主语、从句位置whether引导的主语从句可置于句首或句中 if引导的主语从句一般置于句/连接代词引导的主语从句4连接代词在从句中既起连接作用，又在从句中充当主语、宾语或表语等成分连接副词引导的 主语从旬连接副词引导的 主语从旬连接副词引导的 主语从旬r连接副词既是连接词，又在从句

2、中作状语感知语法规律 However, what 连接副词引导的 主语从旬r连接副词既是连接词，又在从句中作状语How this could be done was a challenging question at the time. Today, it is estimated that about 60 percent of domestic rice consumption in China is comprised of crops generated from Yuans hybrid strains.What Yuan Longping really cared about wa

3、s not money or celebrity.K自主发现.第句中的what在主语从句中作主语;第句中的How在主语从句中作方 式状语;第句中what作主语从句的宾道。.第句中，2作形式主语,真正的主语是that引导的从句。精讲语法知识一、主语从句的用法主语从句是名词性从句的一种，在复合句中作主语，相当于名词。主语从句的位 置可以在句首，也可以用it作形式主语，主语从句放在后面。二、主语从句的引导词.连词that whether,在主语从句中不充当任何成分，只起连接作用，不可省 略，其中that没有词义，whether表示“是否”含义，但是不能换成if（如果）。.连接代词what、who w

4、hich,在主语从句中充当主语、宾语、表语，不可省 略。.连接副词when where how why,在主语从句中作状语，分别表示时间、 地点、方式、原因等，不可省略。另夕卜，whFever,如 whoever、however、whatevers whichever 等也可引导主语 从句。在句中充当主语、宾语、表语等，不可省略。即时训练1单句语法填空What Im hoping to accomplish is that my generation and younger start to reconsider and understand that jazz is not black an

5、d white any more.（全 国卷 I ）Whether he will attend the meeting or not doesnt matter.他是否参加会议并不重要。That he survived the serious traffic accident was a wonder.他在那次严重的交通事故中幸存下来是个奇迹。How this could be done was a challenging question at the time.如何做到这一点在当时是一个具有挑战性的问题。Whoever leaves the room last ought to turn

6、 off the lights.无论谁最后离开房间都应该关灯。三 it作形式主语的主语从句在主语从句中如果主语太长，宾语或表语又太短了，为了防止头重脚轻，保持句 子平衡，通常会采用it作形式主语，真正的主语从句放在后面。常见的使用it作形式主语的结构：It is said/reported/believed/wellknown that.It is a pity that.It is probable that.It happened that.It is no wonder that.即时训练2补全句子It happened that I met my teacher on my way h

7、ome.我在回家路上碰巧遇上我的老师。It was no wonder that my fellow guests had only a few bites of each dish.怪不得跟我在一起吃饭的客人，每道菜也就浅尝几口。四主语从句的语序时态问题主语从句和其他名词性从句一样必须使用陈述语序，尤其是当主语从句是疑问词 引导的时候，主语从句的语序仍须使用陈述语序。WhoAVhom he will go to Beijing with remains unknown.他将和谁一起去北京还不知道。主语从句的时态根据具体语境来确定，尤其是当when引导主语从句的时候，有 些同学会和when时间

8、状语从句混淆而误用现在时表将来。When he will come back is still unclear.他什么时候回来还不清楚。即时训练3单句语法填空What is impressive is that my colleagues messaged us, worrying why Kun and I didnt come back with the clock pointing to 1 am, 2 am or even 3 am.(2)What worries many people is that these chemicals may even cause cancer.Who

9、ever breaks the law should be punished.五 主语从句作主语时谓语动词的单复数主语从句作主语相当于名词，和非谓语动词的动词一ing形式或者不定式作主语 一样看作单数，句子谓语应该使用单数形式。That you dont like him is none of my business.你不喜欢他不关我的事。What the doctors really doubt is whether my mother will recover from the serious disease soon.医生怀疑的是我妈妈是否不久就能从这场重病中恢复过来。立即时训练4单句语

10、法填空Whether it will do us harm or good remains (remain) to be seen.It is estimated that about 60 per cent of domestic rice consumption in China is (be) comprised of crops generated from Yuans hybrid strains.(3)What we cant get seems (seem) better than what we have. Whether it was possible to develop

11、a hybrid of self-pollinating plants (plant) such as rice was a matter of great debate.运用语法规那么I .单句语法填空It hit me that I had to attend an important meeting in Shanghai the next day.It is said that he is focusing on a book on space exploration.But when it will come out is up in the air.Dont worry.Wheth

12、er he will offer us help doesnt matter a lot.I think what impresses me about his paintings is the colours he uses. Why/That he will go to work in a mountain village surprises all of us.Who will be made the captain of our team is still unknown, but one thing is certain ： whoever is put in this positi

13、on is to lead us out of the present difficulty. Whether you can make your dream come true depends on hard work more than luck.That he will have his novel published in two weeks is really a surprise to all of us.It is a fact that English has been accepted as an international language.Whoever is willi

14、ng to volunteer in the 2022 Beijing Winter Olympics is welcome to join us.What made his father angry was that he lied rather than made mistakes.What is proved is that animals and insects have their own languages.What Im concerned about most is how we can collect a huge amount of money in such a shor

15、t time.That the child formed the habit of playing computer games made his mother angry.We believe what you have been devoted to is naturally of great necessity, n.补全句子Whatever colour changes the ocean experiences in the coming decades will probably be too gradual and unnoticeable, but they could mea

16、n significant changes. 在未来几十年里，无论海洋经历怎样的颜色变化，都可能是渐进的、不被注意的， 但是它们可能意味着重要的变化。Whether, the voice youre hearing is real is not sure.你正在听的声音是否真实还不确定。. Whoever lost the dog was probably just as close to it as I am to my dogs. 不管是谁丧失了小狗，他可能都与小狗的关系很亲密，就像我和自己的狗一样。. How China has fueled the fashionable imagin

17、ation for centuries will be explored at the exhibition.展会上将会探究几个世纪以来中国是如何刺激时尚想象力的。. It is deeply understood why the same people keep coming back for more. 为什么同一拨人会不断回来参与更多的活动被深刻理解了。However, if others benefit in the process, and I get some reward too, does it really matter where my motivation lies?然而

18、，如果其他人在这个过程中受益，我也得到了一些回报，我的动机是什么重 要吗？Its no secret that China has always been a source（来源）of inspiration for designers.中国一直是设计师的灵感来源，这不算什么秘密ThaYellowstone is volcanic in nature has been known for a long time. 很久以来人们就知道黄石公园本质上具备火山特征。It seems obvious that evolution should select for larger brains. 进化应

19、该选择更大的大脑似乎是显而易见的。III.语法填空It is true 1. experiences are acquired through our journey of life.2. we believe and 3. we look at things and people around us are based on all our experiences in life.Despite the fact 4. things and life are the way they are, we all have different opinions and beliefs about

20、everything and everybody.Other people have opinions about us as well.But 5. really matters is the opinion we have about ourselves.You choose to accept and follow 6. other people believe, but 7.you want to become yourself and live according to the reality of life is for you to decide.By living a life

21、 as it is and being yourself, you create an image about what you value most and 8.you admire most.You should remember how important it is to be yourself.9.you are and how you feel are determined by the image that you create about yourself.lt determines how successful you become in life and remind you 10. you are standing in life.In short, you are as happy or