英語名詞性從句講解課件(PPT 16頁)

1、名詞性從句第1頁，共16頁。請判斷出下列的句子屬于哪種從句What I want to do is taking a bath.The news that they won the game spread the whole school.I dont think he is an honest boy.The fact is that he stole the car.Do you know the fact that he stole the car?Do you know the man who is standing over there?It is said that they wo

2、n the game.(主從)(同位語從句)(賓從)(表從)(同位語從句)(定從)(主從)第2頁，共16頁。主語從句在句中充當(dāng)主語的從句叫做主語從句。他星期三來這里是肯定的。 That he will come here on Wednesday is certain.注意：從句作主語時，就算是句子意思完整，都要加上從屬連詞that他星期三是否來這里還不肯定的。Whether he will come here on Wednesday is not certain.注意：主語從句表示“是否” 只用“whether” 而不用“if”第3頁，共16頁。主語從句主語從句有時用“it”作形式主語，把

3、真正的主語放在后面，以避免頭重腳輕。It is known to us that he will come here.用it形式主語的that從句有以下四種不同的搭配：第4頁，共16頁。It + be + 形容詞 that從句It is necessary that 有必要It is important that . 重要的是It is obvious that 很明顯It + be + -ed分詞 that從句It is believed that 人們相信It is known to us/all that . 眾所周知It has been decided that 已經(jīng)決定第5頁，共1

4、6頁。It + be + 名詞 that從句It is common knowledge that 是常識It is a surprise that . 令人驚奇的是It is a fact that 事實是It + 不及物動詞 that從句It appears that 似乎It happens that . 碰巧It occurred to me that 我突然想起第6頁，共16頁。表語從句在句中充當(dāng)表語的從句(即放在be動詞后面)叫做表語從句。我們的目的是他能認(rèn)識到錯誤。Our purpose is that he can realize his faults.注意：引導(dǎo)表語從句的連接

5、詞一般不省略。問題是它是否值得做The question is whether it is worth doing注意：表語從句表示“是否” 只用“whether” 而不用“if”第7頁，共16頁。試區(qū)分以下句子Is this museum what you visited?Is this the museum that you visited?Is this museum the one that you visited?注意：這種句子考試時一定要記住這句話：名詞前（尤其是單數(shù)可數(shù)名詞前）一定要有限定詞。然后把句子變換成陳述句，接著判斷句子是屬于哪種從句再完成。(表從)(定從)(定從)第8頁

6、，共16頁。賓語從句在句中充當(dāng)及物動詞或介詞賓語的句子叫做賓語從句。我不知道你會來這里I dont know （that） you will come here注意：that在從句中不充當(dāng)任何成分，在口語或非正式的文體中常常被省去第9頁，共16頁。我不知道他來不來。我想知道他來還是不來。你們是在談?wù)撝麃磉€是不來嗎？他不在乎天氣是否好。I dont know whether/if he will come.I want to know whether he will come or not.Are you talking about whether he will come?He doesnt

7、 care if it isnt a fine day.注意：在賓語從句中，表示“是否”既可以用whether,也可以用if.但是，whether常與or not連用；作介詞賓語只用whether; 從句是否定句時一般用if。第10頁，共16頁。賓語從句中的否定轉(zhuǎn)移我認(rèn)為他不會來這里I think he wont come here. ( )I dont think he will come here. ( )注意：如果賓語從句是由think, believe, imagine, suppose等詞引導(dǎo)的時候，要將從句中的否定形式轉(zhuǎn)移到主句中去。第11頁，共16頁。賓語從句中用it作形式賓語W

8、e think it our duty that we should help others.I find it impossible that he should finish the work in two days.注意：如果主句中有形容詞或名詞作賓語補足語時，一般用it來作形式賓語，把從句放在賓補后面。第12頁，共16頁。同位語從句在句中用作同位語的從句叫做同位語從句。同位語從句一般放在如idea, news, fact, promise, suggestion, belief, truth等含有豐富內(nèi)涵的詞語后面，用來說明前面那個詞的具體內(nèi)容。一般說來，同位語從句都用that來作連接詞，而且不能省略。也可用how, when, where等。他給了她一個承諾，他會在兩個月后回來。He gave her a promise that he would come back after two months.第13頁，共16頁。試區(qū)分以下句子Do you know the fact that he stole the car?Do you know the fact that they were talking about?注意：1. 如果是定語從句，它的從句肯定是不完整的，關(guān)系詞肯