人教版(新教材)高中英語選修1Unit5 Working the Land精品學(xué)案：Grammar-主語從句

1、Grammar主語從句圖解語法脈絡(luò)thal在從句中的作用不充當(dāng)旬子成分，只起連接作用Alt+be+形 容詞+that從 句，hai引導(dǎo)的主語從句 卜 常用it作形式主語，將由*引導(dǎo)lt+be+名詞短語+that從句的圭語從句后置匕常見句型有：分詞+.從句其他主語從句）-作用主語從句）-作用whcther/i f引導(dǎo)的主語、從句位置whether引導(dǎo)的主語從句可置于句首或句中 if引導(dǎo)的主語從句一般置于句/連接代詞引導(dǎo)的主語從句4連接代詞在從句中既起連接作用，又在從句中充當(dāng)主語、賓語或表語等成分連接副詞引導(dǎo)的 主語從旬連接副詞引導(dǎo)的 主語從旬連接副詞引導(dǎo)的 主語從旬r連接副詞既是連接詞，又在從句

2、中作狀語感知語法規(guī)律 However, what 連接副詞引導(dǎo)的 主語從旬r連接副詞既是連接詞，又在從句中作狀語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自主發(fā)現(xiàn).第句中的what在主語從句中作主語;第句中的How在主語從句中作方 式狀語;第句中what作主語從句的賓道。.第句中，2作形式主語,真正的主語是that引導(dǎo)的從句。精講語法知識一、主語從句的用法主語從句是名詞性從句的一種，在復(fù)合句中作主語，相當(dāng)于名詞。主語從句的位 置可以在句首，也可以用it作形式主語，主語從句放在后面。二、主語從句的引導(dǎo)詞.連詞that whether,在主語從句中不充當(dāng)任何成分，只起連接作用，不可省 略，其中that沒有詞義，whether表示“是否”含義，但是不能換成if（如果）。.連接代詞what、who w

4、hich,在主語從句中充當(dāng)主語、賓語、表語，不可省 略。.連接副詞when where how why,在主語從句中作狀語，分別表示時間、 地點、方式、原因等，不可省略。另夕卜，whFever,如 whoever、however、whatevers whichever 等也可引導(dǎo)主語 從句。在句中充當(dāng)主語、賓語、表語等，不可省略。即時訓(xùn)練1單句語法填空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 國卷 I ）Whether he will attend the meeting or not doesnt matter.他是否參加會議并不重要。That he survived the serious traffic accident was a wonder.他在那次嚴重的交通事故中幸存下來是個奇跡。How this could be done was a challenging question at the time.如何做到這一點在當(dāng)時是一個具有挑戰(zhàn)性的問題。Whoever leaves the room last ought to turn

6、 off the lights.無論誰最后離開房間都應(yīng)該關(guān)燈。三 it作形式主語的主語從句在主語從句中如果主語太長，賓語或表語又太短了，為了防止頭重腳輕，保持句 子平衡，通常會采用it作形式主語，真正的主語從句放在后面。常見的使用it作形式主語的結(jié)構(gòu)：It is said/reported/believed/wellknown that.It is a pity that.It is probable that.It happened that.It is no wonder that.即時訓(xùn)練2補全句子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師。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飯的客人，每道菜也就淺嘗幾口。四主語從句的語序時態(tài)問題主語從句和其他名詞性從句一樣必須使用陳述語序，尤其是當(dāng)主語從句是疑問詞 引導(dǎo)的時候，主語從句的語序仍須使用陳述語序。WhoAVhom he will go to Beijing with remains unknown.他將和誰一起去北京還不知道。主語從句的時態(tài)根據(jù)具體語境來確定，尤其是當(dāng)when引導(dǎo)主語從句的時候，有 些同學(xué)會和when時間

8、狀語從句混淆而誤用現(xiàn)在時表將來。When he will come back is still unclear.他什么時候回來還不清楚。即時訓(xùn)練3單句語法填空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 主語從句作主語時謂語動詞的單復(fù)數(shù)主語從句作主語相當(dāng)于名詞，和非謂語動詞的動詞一ing形式或者不定式作主語 一樣看作單數(shù)，句子謂語應(yīng)該使用單數(shù)形式。That you dont like him is none of my business.你不喜歡他不關(guān)我的事。What the doctors really doubt is whether my mother will recover from the serious disease soon.醫(yī)生懷疑的是我媽媽是否不久就能從這場重病中恢復(fù)過來。立即時訓(xùn)練4單句語

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.運用語法規(guī)那么I .單句語法填空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.補全句子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. 在未來幾十年里，無論海洋經(jīng)歷怎樣的顏色變化，都可能是漸進的、不被注意的， 但是它們可能意味著重要的變化。Whether, the voice youre hearing is real is not sure.你正在聽的聲音是否真實還不確定。. Whoever lost the dog was probably just as close to it as I am to my dogs. 不管是誰喪失了小狗，他可能都與小狗的關(guān)系很親密，就像我和自己的狗一樣。. How China has fueled the fashionable imagin

17、ation for centuries will be explored at the exhibition.展會上將會探究幾個世紀以來中國是如何刺激時尚想象力的。. It is deeply understood why the same people keep coming back for more. 為什么同一撥人會不斷回來參與更多的活動被深刻理解了。However, if others benefit in the process, and I get some reward too, does it really matter where my motivation lies?然而

18、，如果其他人在這個過程中受益，我也得到了一些回報，我的動機是什么重 要嗎？Its no secret that China has always been a source（來源）of inspiration for designers.中國一直是設(shè)計師的靈感來源，這不算什么秘密ThaYellowstone is volcanic in nature has been known for a long time. 很久以來人們就知道黃石公園本質(zhì)上具備火山特征。It seems obvious that evolution should select for larger brains. 進化應(yīng)

19、該選擇更大的大腦似乎是顯而易見的。III.語法填空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