高中語法主語從句課件

1、高中語法主語從句課件高中語法主語從句Object Clause（賓語從句）Noun Clauses（名詞性從句）Predicative Clause（表語從句）Subject Clause（主語從句）J Appositive Clause （同位語從句）Unit 4Astronomy: the science of the starsSubject Clause主語從句Find out the subject（主語）in each sentence.L A bookdhroirtherdesicnoun名詞2. SmokingTS IradoryoiL- verbal noun代詞4 MLar

2、e_ajstudent-pronoun 代詞3. To find aoo4jHMsmyream；加仃山斷。 不定式5. That we will be late is certain.6. It is certain that we shall be late.A sentence served as（克 音） subject is called Subject Clause.【例句呈現(xiàn)】觀察下列例句，指出其中所包含的主語 從句及連接詞：1. What is needed for a long trip is careful preparation.該句中主語從句是 What is neede

3、d for a long trip ,連接詞為 what °2. That Taylor Swift will come to my city excites everybody.該句中主語從句是i hat Taylor Swift will come to my city ,連接詞為 that。3. Whether we will travel abroad or not . has not been decided.該句中主語從句是 Whether we will travel abroad or not , 連接詞為 whether oSubject Clausedefinit

4、ion定義order語序陳述語序 indicative order主語從句是在復合句中充當主語的 句子，起到主語的作用。conjunction連接詞Conjunctions （連接詞）從屬連詞that 無詞義 whether/if "是否"Z充當從句的任何成分連接代詞what, who, whom, which, whose,whatever,whoever充當從句的主語，表語,賓語,定語.連接副詞when, where, how, why 充當從句的語That Lady Gaga will come to our city next Monday is certain.=

5、It is certain that Lady Gaga will come toour city next Monday .I Subject*一 / clause )Formed Subject(形式主/)I 諳)I Real subject總結:當一個句子主語過長時，用it作形式主 語(formed subject),而把真正的主語或主 語從句后放句尾，避免“頭重腳輕”。所以就構成了下面3種常用句型：1） It is + n,+主語從句如:It is a pity that.遺憾的是It is a surprise that令人驚奇的是It is a fact that 事實是It is

6、 a question that.問題是It is a pity that1 .（很遺憾）we lost the match.It is a fact that2 .（這是事實）he cheated in the exam.2） It is + adj. +主語從句It isclear/certainthat.很清楚/很肯定It is possible that. 很可能It is obvious that很明顯It is important that 重要的是1. It is possible that（很可能）she will comeback tomorrow.2. It is obvi

7、ous that （彳艮明顯）this measure is effective.3) It + be +過去分詞+主語從句 如：It is said that. 據(jù)說It is reported that.據(jù)報道It is known to all that.眾所周知It is believed that據(jù)信；人們相信L It is reported that （據(jù)報道）20 people were killed in the accident.2 It is believed that （人們相信）we should eat more vegetable and do more exerc

8、ise.I Pay attention to that, whether/if,what,1. that在主語從句只起引導作用，本身無實 際意義，在主語從句中不充當任何成分，但 不能省略。2. whether/if ”是否”在主語句中不做成分， 不能省略，放句首只能用whether,不能用if.3. what引導的主語從句除了起到引導從句的 作用外，還要承擔具體的意義，what還會作 句子成分。Complete the sentences by using what, yvhether/ify or that.(What is needed for success) is your hard

9、work.2 .( Whether we will go tomorrow )hasn,t been decided yet.3 .( That he can write the composition in such a short time) surprises us all.Conclusion:單個主語從句作主語時，謂語動詞一般用 單數(shù)形式。Correct mistakes:You need to correct the following sentences. There is only one mistake in each sentence 1. She is a famous

10、writer is known to alLAThatPay attentioiuthat雖無詞義但引導主 語從句位于句首時不能省略。2. What the professor said is of great importance.Pay attention:此主語從句缺少成分.賓語, 故用作成分的what來引導，而不用that。 what承擔具體的意義和作句子成分。3. Whether she' s coming or not doesn" t matter much.Pay attention: whether/if ”是否"在句中不 做成分，不可以省略，放在

11、主語從句的句 首只能用whether,不能用if.The group that gives the right answer within the shortest time shall gain one point. The winner is the group that has the highest points.Group Competition1. Translate the sentenceIt is known to us how Mark Twain became a great writer （馬克.吐溫怎樣成為一位偉大的作家）.2. Make a sentence：rep

12、ort, it, get the highest points（分數(shù)）,is, that, in the NBA, Yao MingIt is reported that Yao Ming got the highest points in the NBA.Group Competition3. Translate the sentence：Whether she will attend the meeting （她是否將參加會議）is not certain.What they are talking about is the mobile phone.Group CompetitionWh

13、ether5.用whether還是what填空we shall attend the meetinghasn't been decided yet.Group Competition6 ,用動詞的適當形式填空What he saidis(be) not true.Pay attention:當主語從句作主語時，謂語動 詞一般用單數(shù)形式。Group Competition7.True or False?yHe will give up his job surprises all of us.FThat he will give upPay attention:由that引導的主語從句放在句 首，that不能省略。What the cat did made the cry.The winner of the group competition is ?Summary總結：Subject