what引導名詞性從句的用法.ppt

what 引導名詞性從句的五種用法,After_seemed a very long time, I opened my eyes and found myself in bed! A. what B. when C. that D. which,A,I dont know what you mean.,什么,一、用法歸納 表示“的東西或事情”“所 的”，相當于“the thing that.; all that.; everything that” Theyve done what they can do to help her. 他們已經(jīng)盡力幫助了她。 He saves what he earns. 他賺多少，積蓄多少。 What Mary is is the secretary. 瑪麗的職務是秘書。,2. 表示“的人或的樣子”（指抽象意義的人）相當于the person that（見66）： He is no longer what he was. 他已經(jīng)不是以前的那個樣子。 He is what is generally called a traitor. 他就是人們通常所說的叛徒。 Who has made Fred he is now?,what,3. 表示“的數(shù)量或數(shù)目”,相當于the amount/number that Our income now is double what it was ten years ago. 我們現(xiàn)在的收入是10年前的兩倍。 The number of the students in our school is ten times what it was before liberation. 現(xiàn)在我校學生的數(shù)量是解放前的10倍。,4. 表示“的時間”,相當于the time that： After what seemed like hours he came out with a bitter smile. 似乎過了幾個小時他才苦笑著出來。 The young girl was too frightened to speak, standing there for what seemed like hours. 小女孩嚇得不敢說話，在那兒站了幾個小時。,5. 表示“的地方”,相當于the place that This is what they call Salt Lake City. 這就是他們稱為鹽湖城的地方。 In 1492, Columbus reached is now called America.,what,歸納總結：當名詞性從句缺少主語、賓語、表語，而缺少的這個詞不是指具體的人時，要首先考慮what,鞏固練習: 1. She has changed a lot. Shes no longer _she used to be. A. that B. what C. which D. 不填 2. The tobacco which is used to make cigarettes was first grown in_is now part of the United States. A. which B. that C. all D. what 3. No longer_Tom the man_he used to be. A. will; what B. was; what C. will; that D. is; that 4. What has made China_she is today? A. that B. what C. as D. which 5. The number of the students of the college has reached 8,000, twice _ it was when the college was opened ten years ago. A. what B. as much C. which D. that,D,B,A,D,B,二、用法說明 (1) 這樣用的what相當于“先行詞+關系代詞”，所以其前不能有先行詞： 你喜歡什么就拿什么吧。 正：You can have what you like. / You can have everything (that) you like. 誤：You can have everything what you like.,二、用法說明 (2) 有時what 可用作限定詞，其后修飾一個名詞（見42）： I gave him what books I had. 我把我所有的書都給他了。 He gave me what money he had . 他把身邊帶有的錢全給了我。,(3) what 后的名詞可以是復數(shù)名詞或不可數(shù)名詞，但通常不能是單數(shù)可數(shù)名詞： 誤：I gave him what book I had.,A is to B what C is to D 句型分析,句型: A is to B what C is to D. 本句型的意思是“A對B而言正