【課件】Unit 5 Discover Useful Structures 主語從句課件-2022-2023學(xué)年高中英語人教版（2019）選擇性必修第一冊

1、Unit 5Noun Clause名詞性從句 句子 類型簡單句并列句復(fù)合句主句形容詞性從句 名詞性從句副詞性從句從句sentence types:(定語從句)(狀語從句)引導(dǎo)詞名詞主語、賓語、表語、同位語主語從句、賓語從句、表語從句、同位語從句名詞性從句主語從句賓語從句表語從句同位語從句What I can see is.What can you see in the picture?What I can see is a face of an elderly woman.What I can see is a sight of a beautiful girls back.在復(fù)合句中充當(dāng)主語

2、作 用:位 置:主句謂語 或 系動詞之前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 bad for you.5. That we shall be late is certain.6. It is certain that we shall be late.名詞充當(dāng)主語人稱代詞充當(dāng)主語不定式充當(dāng)主語動名詞充當(dāng)主語句子充當(dāng)主語it充當(dāng)形式主語主語是一個句子說明的人或事物，一般放在_.句首結(jié)論:找出下列句子中的主語主語從句The

3、Subject Clause定義：主語從句就是在復(fù)合句中作_的名詞性從句，通常放在主句謂語動詞之前或由形式主語it代替，而本身放在句子末尾。主語e.g. What he did in the earthquake moved everybody. 主語謂語賓語從句That he will pass the exam is certain.Whether he will pass the exam is uncertain.Who will go makes no difference.What we need is more time.Which book I shall choose has

4、nt been decided.溫馨提示：先找謂語動詞找出下列句子中的主語從句思考：主語從句的連接詞有哪些？分別有什么功能？從屬連詞(不作成分）連接代詞（作主,賓,表,定語）連接副詞（作狀語）what，who, whom, which, whose, wh+everhow, when, where, why主語從句的連接詞that(無意義), whether(是否)(不能省略)Whoever breaks the law will be punished.When we will leave hasnt been decided.Where the meeting will be held i

5、s not known.9. Why he cries is not clear.10. How she keeps healthy is a secret.思考：主語從句的連接詞有哪些？分別有什么功能？devote . to .move all people around the worldYuan devoted all his life to developing hybrid rice moved all people around the world.That 從屬 連詞That不做成分，沒有意義，不能省略tackle the situationdepend on his abili

6、ty He can tackle the situation depends on his ability.ThatWhether 從屬 連詞whether不做成分,但有意義，表“是否”,不能用if代替Whether we can go to picnic tomorrow is still a question. That the wounded soldier is still alive is a wonder. That Mr. Zhou will come is certain.Whether the work can be completed on time is doubtful

7、. _用whether或that填空。從屬連詞(不作成分）連接代詞（作主,賓,表,定語）連接副詞（作狀語）that(無意義), whether(是否)(不能省略) 主語從句的連接詞the cat domadeWhat the cat did made the baby cry.cry連接代詞做成分（主語、賓語、表語），有意義，不能省略。從屬連詞(不作成分）連接代詞（作主,賓,表,定語）連接副詞（作狀語）what，who, whom, which, whose, wh+ever主語從句的連接詞that(無意義), whether(是否)(不能省略)attain successunknown He

8、 attained success is unknown.How連接副詞做成分（狀語），有意義，不能省略。從屬連詞(不作成分）連接代詞（作主,賓,表,定語）連接副詞（作狀語）what，who, whom, which, whose, wh+everhow, when, where, why主語從句的連接詞that(無意義), whether(是否)(不能省略)原則： 缺什么補(bǔ)什么“缺什么補(bǔ)什么”原則缺主語，指人用_，指物用_缺賓語，指人用_，指物用_缺時間狀語用_；地點狀語用_；原因狀語用_；方式狀語用_；定語用_；什么都不缺用_。whowhatwho/whomwhatwhenwherewhy

9、howwhich/whosethat/whether（是否）主語從句的連接詞探尋規(guī)律1： 主語從句 主謂一致 問題1. Whether the patient will be taken _ unknown.2. When and where the patient will be taken _ unknown.3. When the task can be finished and whether he can have a rest _ unknown.4. What he wants most _ staying with his family. What they need _ ma

10、sks(口罩).主句的謂語動詞，大多數(shù)使用_ (單數(shù)？復(fù)數(shù)？)由兩個連接詞引導(dǎo)同一個主從，謂動使用_ (單數(shù)？復(fù)數(shù)？)主語為and連接的兩個主從時，謂動使用_ (單數(shù)？復(fù)數(shù)？)what在主從中做賓語時，謂語的單復(fù)數(shù)取決它后面的表語。單數(shù)單數(shù)復(fù)數(shù)isisareis are探尋規(guī)律2： 主語從句的語序找出下列句子中的錯誤，并總結(jié)規(guī)律主語從句一律用_， 即主語在前，謂語在后。正：When he will come is not known.例1. When will he come is not known.How we go for a picnic should be discussed.How

11、 do we go for a picnic should be discussed.陳述語序探尋規(guī)律3： 主語從句太長怎么辦？That all countries work together is important. 用一個 It 來解決問題！It is important that all countries work together. 主語從句為了避免頭重腳輕現(xiàn)象,用it做_，而把從句放在后面充當(dāng)_。真正的主語形式主語Can you rewrite the following sentences.1. That the earth turns around the sun is kn

12、own to all.2. That they are badly in need of help is quite clear. It is known to all that the earth turns around the sun.It is quite clear that they are badly in need of help.It + be + 名詞 that從句 It is a pity that 很遺憾 It is a fact that 事實是 It + be + 形容詞 that從句 It is obvious that 顯然. It is important t

13、hat . 重要的是 It + be + 過去分詞 that從句 It is said that. 據(jù)說. It is known that 眾所周知形式主語常用句型：It+特殊不及物動詞+that從句 It seems / appears . that . 似乎 It happened (to sb.) that . （某人）碰巧 It occured to sb that. (某人)突然想起.It+及物動詞+賓語+that從句 It interests me whether you succeed or not. It surprised him that they came to vis

14、it him suddenly.形式主語常用句型：1. _(可能)she will come back tomorrow.2. _(很明顯)this measure is effective.3. _(很遺憾) we lost the match.4. _ (這是事實) he cheated in the exam.5. _(據(jù)報道)20 people were killed in the accident. 6. _(建議)we should eat more vegetable and do more exercise.7. _(碰巧) I came into the office at

15、that time.8. _(我突然想起) I forget tosend the letter.It is possible thatIt is obvious thatIt is a pity thatIt is a fact thatIt is reported thatIt is suggested thatIt happened thatIt occurred to me that主語從句中的虛擬語氣虛擬語氣主要用來說話人的主觀愿望而非真實情況。. it 作形式主語定 義主語從句引導(dǎo)詞形式主語主謂一致總 結(jié) 作用，位置 從屬連詞，連接代詞，連接副詞 單個主語從句-單數(shù)多個主語從句-復(fù)

16、數(shù) Itbe形容詞/名詞短語/過去分詞/不及物動詞that從句語序 陳述語序據(jù)說明年高一學(xué)生要學(xué)新教材. 事實是他們靠自己完成了所有的任務(wù).3. 碰巧他們已經(jīng)參加過軍訓(xùn)了.4. 眾所周知, 好的身體是第一財富.5. 我們應(yīng)該養(yǎng)成好的學(xué)習(xí)習(xí)慣，這很重要.It was a fact that they finished all the work by themselves.It happened that they had had their military training.It is well-known that good health is the first wealth.= What

17、 is well-known is that good health is the first wealth.It is said that the senior students will learn the new textbook next year.Application:It is important that we (should) form a good habit of studying.據(jù)說明年高一學(xué)生要學(xué)新教材. 事實是他們靠自己完成了所有的任務(wù).3. 碰巧他們已經(jīng)參加過軍訓(xùn)了.4. 眾所周知, 好的身體是第一財富.5. 我們應(yīng)該養(yǎng)成好的學(xué)習(xí)習(xí)慣，這很重要.Applicat

18、ion:Pick out one number and finish the task in it.16781011121413151692345GameTime Where he comes from are a mystery.單句改錯is1 point從句作主語，謂語動詞要用單數(shù) _ they are most interested in is how they can produce more and better cars. A. That B. Who C. What D. When單項選擇2 pointswhat 在從句中作賓語，譯為“什么”他是否是我的孩子仍然是個問題。_ re

19、mains a question.Whether he is my child3 points完成句子whether放在句首引導(dǎo)主語從句，意為“是否” That is obvious that he didnt pass the exam.單句改錯It1 pointit充當(dāng)形式主語，that從句為真正的主語眾所周知，雨天要穿雨鞋。_we wear rain shoes on rainy days. It is known that完成句子3 points_is rest.我需要的就是休息。What I need3 points完成句子 If she will come or not is st

20、ill a question.單句改錯Whether1 pointwhether位于句首引導(dǎo)主語從句，但的if不能。 What will be our monitor has not been decided.單句改錯Who1 point缺主語，指人應(yīng)該用who。 That he wants to visit is the Great Wall.單句改錯What1 point缺賓語，指物，用what。_ is attracted by her.無論誰見到這個女孩都被她吸引。Whoever sees the girl3 points完成句子 _ the boy didnt take medici

21、ne made his mother angry.A. That B. What C. How D. Which單項選擇2 points不缺成分，沒有意義，不能省略，用that That we go swimming every day _ us a lot of good. A. do B. doing C. does D. done 單項選擇2 points從句作主語，謂語動詞要用單數(shù)_Yao Ming got the highest points in the match.據(jù)報道，姚明在這場比賽中得了最高分。It is reported that 3 points完成句子 _ they

22、can solve the question is still unknown. A. If B. Which C. Whether D. What單項選擇2 points不缺成分，表示“是否”，用whether。_ is your hairstyle.我最喜歡的是你的發(fā)型。What I like most3 points完成句子 _ is a fact that English is accepted as an international language. A. There B. This C. That D. It單項選擇2 pointit充當(dāng)形式主語，that從句為真正的主語Its rare that I find someone so non-patronizing.Line from the film Zootopia subject clauseEnjoy more clauses used as the subject.All of life is an act of letting go, but what hurts the most is not taking a moment to say goodbye.人生就是不斷地放下，但最令人痛心的是