高中英語人教 必修 UnitPeriodGrammar

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1、會計學1高中英語人教高中英語人教 必修必修 Unit Period Grammar231、幫助學生了解、熟悉并初步掌握名詞性從句主語從句的用法。2、使學生能夠找出主語從句，并動手解決主語從句的相關練習。3、學會用主語從句簡單會話表達。第1頁/共28頁 本課首先開始于簡單句子到復合句子中對主語的認識，從學生熟悉的名詞、人稱代詞充當主語，一步一步由淺入深過渡到句子作主語。旨在給學生有個初步認識，為下面的環(huán)節(jié)打基礎。 通過小組競賽，在已學的reading中快速找出主語從句，旨在加深學生對主語從句的認識程度，競賽有利于培養(yǎng)學生的合作能力，使語法課生動活躍起來。通過不同的語法練習的呈現(xiàn)、講練結合看圖根據(jù)

2、對話寫出主語從句及各種語法任務設置，使學生掌握主語從句的相關知識。尤其是try your luck部分更能調動學生學語法知識的氣氛，提高學生解決語法知識的能力，熟悉主語從句。第2頁/共28頁It is certain that we shall be late.主主語語名詞充名詞充當主語當主語人稱代詞人稱代詞充當主語充當主語不定式充不定式充當主語當主語動名詞充動名詞充當主語當主語句子充句子充當主語當主語句子充句子充當主語當主語it充當充當形式主形式主語語第3頁/共28頁Lets see which group can find the sentences like the following

3、examples in Reading on Page25-26 more quickly.Attention please:1. Four or six people in a group. 2.Try to find as many sentences like the following examples as possible! 3.If your group finish the task, please put up your hand and one member should tell us all the sentences your group have found.Exa

4、mples : (sentences served as subject) What she said is not yet known. That we shall be late is certain. It is certain that we shall be late.第4頁/共28頁Sentences in Reading P25-26Read & translate所有劃線的句子都充當所有劃線的句子都充當_.那么什么是那么什么是主語從句主語從句呢？呢？主語主語第5頁/共28頁 主語從句主語從句 (Subject Clause)如果一個句子在復合句中充當一個主語如果一個句子在復合句

5、中充當一個主語, , 那么這個句子就是那么這個句子就是主語從句主語從句。That he finished writing the composition in such a short time surprised us all.What we need are good doctors.Whom we must study for is a question of great importance.What is subject clause?第6頁/共28頁主語從句三要主語從句三要素素 he became a great scientist is known to us all.Is wh

6、at you told me really true?謂語動詞用單數(shù)謂語動詞用單數(shù)從句用陳述語序從句用陳述語序不能省略關聯(lián)詞不能省略關聯(lián)詞Notice:What we need most are books.How第7頁/共28頁_has not been found.Student A: where was Thomas Edison born?Students B: I dont know. I cant find the answer in the passage.Where he was born 第8頁/共28頁_is still unknown.Student A: who wil

7、l win the English speech contest?Students B: I dont know. It is hard to say.Who will win the match 第9頁/共28頁_will be welcome.Student A: Tom, tomorrow is your birthday. Who do you invite?Students B: I will welcome everyone who comes to my party.Whoever comes 第10頁/共28頁在主語從句中在主語從句中, 謂語一般用單數(shù)。謂語一般用單數(shù)。無論他說

8、什么都不重要。無論他說什么都不重要。Whatever he says is of no importance.無論誰說這話都不對。無論誰說這話都不對。 Whoever says that is wrong但謂語動詞用單數(shù)還是復數(shù)但謂語動詞用單數(shù)還是復數(shù), 不可不可一概而論一概而論, 而要視句子的意義而定。而要視句子的意義而定。 What I need is money. What I need are books.第11頁/共28頁what 與與that 在引導主語從句時的區(qū)別在引導主語從句時的區(qū)別what 引導主語從句時在句時在從句中充當引導主語從句時在句時在從句中充當句子成分句子成分, 如

9、主語、賓語、表語如主語、賓語、表語, 而而that 則不然。則不然。 1) What you said yesterday is right.2) That she is still alive is a consolation. 第12頁/共28頁為了防止句子頭重腳輕，通常把形式主語為了防止句子頭重腳輕，通常把形式主語it 放在主語位置，真正主語后置。放在主語位置，真正主語后置。1. It is certain that he will win the match. That he will win the match is certain.2. It is true that he has

10、 made a very important discovery in chemistry. That he has made a very important discovery in chemistry is true .3. It is very likely that they will hold a meeting. That they will hold a meeting is very likely .第13頁/共28頁 1.以以that 引出的主語從句引出的主語從句,常以形式主語常以形式主語it引導引導, 結構為結構為: It is +形容詞形容詞/名詞名詞/某些動詞某些動詞

11、ed + that 從句。從句。 (1) It is +形容詞形容詞/名詞名詞+ that 從句，如：從句，如： It is a pity/shame that 遺憾的是遺憾的是 It is possible that 很可能很可能 It is unlike that 不可能不可能 (2) It +不及物動詞不及物動詞+ that 從句，如：從句，如： It seems/appears that. 似乎似乎 It happened that 碰巧碰巧第14頁/共28頁(3)It + be + 過去分詞過去分詞+ that 從句從句It is said that 據(jù)說據(jù)說 It is known

12、 to all that 眾所周知眾所周知It is reported that 據(jù)報道據(jù)報道It is believed that 人們相信人們相信It is suggested that 有人建議有人建議It must be pointed out that 必須指出必須指出第15頁/共28頁Choose the pictures and finish the exercise with your group!第16頁/共28頁1. _ watch was lost is unknown.2. _ you did is right.3. _ we will go for an outing

13、 tomorrow remains unknown.4. _ we need is time.5. _ will be our monitor hasnt been decided yet.whether what who whose whateverUse the words below to fill in the blanks.WhetherWhatWhateverWhoseWhoback第17頁/共28頁【常見錯誤展示常見錯誤展示】下列各句均有一處下列各句均有一處錯誤，請改正并分析錯誤的原因。錯誤，請改正并分析錯誤的原因。1. Light travels faster than sou

14、nd is common knowledge.2. If shes coming or not doesnt matter much.Thatthat雖無詞義但引導主語從句位于雖無詞義但引導主語從句位于句首時不能省略。句首時不能省略。Whetherif, whether都可表示都可表示“是否是否”, 但但if不能引導位于主不能引導位于主句之前的主語從句，它可以引導位于主句之后帶有句之前的主語從句，它可以引導位于主句之后帶有形式主語形式主語it的主語從句。的主語從句。back第18頁/共28頁You are lucky today! You dont need to do exercises!b

15、ack第19頁/共28頁3. That the professor said is of great importance.4. Where will the trees be planted has not been decided.Whatthat引導主語從句時無詞義。引導主語從句時無詞義。What the professor said表示表示“教授所說的教授所說的”。將將will置于置于trees之后。主語從句要之后。主語從句要用陳述句語序。用陳述句語序。back【常見錯誤展示常見錯誤展示】下列各句均有一處下列各句均有一處錯誤，請改正并分析錯誤的原因。錯誤，請改正并分析錯誤的原因。第20

16、頁/共28頁5. No matter who breaks the rule will be punished.6. When the meeting will be held still remain a question.引導讓步狀語從句時二者可互換，但引引導讓步狀語從句時二者可互換，但引導名詞性從句時只能用導名詞性從句時只能用whoever。Whoever 主語從句表示單一概念時，謂語要用主語從句表示單一概念時，謂語要用單數(shù)形式。單數(shù)形式。remainsback【常見錯誤展示常見錯誤展示】下列各句均有一處下列各句均有一處錯誤，請改正并分析錯誤的原因。錯誤，請改正并分析錯誤的原因。第21頁

17、/共28頁7. It was requested that everyone made a speech at the meeting.在在“It is requested / ordered / suggested + that從句從句”中，從句要用虛擬語氣，中，從句要用虛擬語氣，即謂語用即謂語用“should + 動詞原形動詞原形”，should可省略?？墒÷?。(should) makeback【常見錯誤展示常見錯誤展示】下列各句均有一處錯誤，請改下列各句均有一處錯誤，請改正并分析錯誤的原因。正并分析錯誤的原因。第22頁/共28頁Finish ex.2 in Discovering use

18、ful structures.Group work第23頁/共28頁Discovering useful structures1. His discovery has not yet been proved.What _.2. Do the other astronomers accept his ideas? It remains a question. Whether _.3. The first appearance of life on earth is still a mystery to scientists. How _.has not yet been proved is hi

19、s discovery other astronomers accepts his ideas remains a questionlife first appeared on earth is still a mystery to scientistsEx. 2第24頁/共28頁4. Why is the earth becoming warmer? It is an important topic for research. Why _.5. Stephen Hawking at 65 experienced zero gravity during a flight. It amazed

20、everybody.It amazed everybody _.6. Pluto is no longer considered a planet in our solar system. What a surprise! It is a surprise _.that Stephen Hawking at 65 experienced zero gravity during a flight.that Pluto is no longer considered a planet in our solar system the earth is becoming warmer is an important topic for research第25頁/共28頁第26頁/共28頁第27頁/共28頁