名詞性從句連接詞對比使用.ppt

名詞性從句連接詞的使用,(一) that 和 what的選用：that 和 what都可引導所有的名詞從句。但是，what除起連接作用外，還在名詞性從句中充當成分，可做從句的主語、賓語、或表語。而that在名詞性從句中不充當任何成分，只起連接作用。,that / what 1._ he wants is a book. 2. _ he wants to go there is obvious. 3.The result is _ we won the game. 4.This is _ we want to know. 5.Is _ he told us true ? 6.We should pay attention to _ the teacher is saying. 7. I have no doubt _ he will come. 8. I have no idea _ he did that afternoon.,What,That,that,what,what,what,that,that,(二） if 和whether 的選用 不能使用if 的情況： a. 主語從句 b. 表語從句 c. 同位語從句 d. 介詞后的賓語從句 e. whether to do 做動詞賓語不能用 if to do. f .whether or not 連在一起引導賓語從句時不用if.,1. I asked her _ she had a bike. 2._ we will hold a party in the open air tomorrow depends on the weather. 3. Were worried about _ he is safe. 4. I dont know _ he is well or not. 5. I dont know _ or not he is well. 6. The question is _ he should do it. 7.The doctor can hardly answer the question _ the old man will recover soon. 8. I dont know _ to go.,whether/if,Whether,whether,whether/or,whether,whether,whether,whether,（三）其它連接代詞和副詞的連用 主要根據(jù)名詞性從句中的具體意義,正確的選擇who、which、when、where、why、how 等連接詞，這些連接詞既具有疑問含義，又起連接作用，同時在從句中充當各種成分。我們何時舉行運動會還沒有決定。,我們何時舉行運動會還沒有決定。 _ we shall hold our sports meeting is not decided. 我不知道昨天誰打破了玻璃。 I dont know _ broke the glass yesterday. 我不知道他長的什么樣子。 I have no idea _ he looks like. 這就是我忘記眼鏡的地方。 This is _ I left my glasses.,When,who,what,where,（四）引導詞that 的省略 that 可省略的情況： 單個賓語從句中的that可省略 that不可省略的情況： a. 主語從句b.表語從句c.同位語從句d.用it做形式賓語的賓語從句 e. 并列的賓語從句中的后幾個從句的,引導詞that 不能省略,1.I dont think _ she is coming. 2.It is a pity _ he has made such a mistake. 3.The reason is _ he is careless . 4.The news _ our team won the match inspired us. 5.I dont think it necessary _ you should read English aloud. 6.He told me _ his father had died and _ he had to make a living alone.,/,that,that,that,that,/,that,五、同位語從句的引導和辨別 1.同位語從句的格式：n.+ 連接詞 + 從句 2.能接同位語從句的名詞有：fact、idea, news, information, order, belief, suggestion, advice等. 3.連接詞通常是that,也可根據(jù)含義選用 whether, what, when, where 等來引導同位語從句.,1. I have no idea _ he comes from. 2. He cant answer the question _ he got the money. 3.He gave us many suggestions _ we should get up earlier and take more exercise. 4.I have no doubt _ he will win. 5. I have some doubt _ he will win.,where,how,that,that,whether,（六） 同位語從句和定語從句的區(qū)別 1.定語從句是先行詞的修飾語，它不涉及先行詞的具體內(nèi)容。定語從句中that不但起連接作用，而且在定語從句中充當一個句子成分，充當從句的賓語成分時可省略。 2.同位語從句對中 心詞的內(nèi)容作進一步的解釋和說明，表明中心詞的具體內(nèi)容。引導同位語從句的that 在同位語從句中不做任何成分,只起連接作用,無具體含義,且不可省略.,1.We expressed the hope that they had expressed. 2. We expressed the hope that they would come to China again. 1.The information has been announced that more middle school graduates will be admitted into university. 2.The information that he revealed at the meeting is of great value.,（七） 名詞demand, suggestion, proposal, advice等詞后的同位語從句的語氣要用虛擬語氣,結(jié)構(gòu)為 should + do, should 可省略 He gave me a suggestion that I ( should ) be calm now.,(八） 賓語從句的時態(tài)呼應 1. 如果主句時態(tài)是現(xiàn)在時或?qū)頃r,從句謂語可根據(jù)句意需要而選用任一種時態(tài). a .他相信他的夢想總有一天會實現(xiàn)的. He believes _ . b .請告訴我你昨天這個時候在干什么. Please tell me _.,his dream will come true one day,What were you doing this time yesterday,Practice: 1. It now appears _ they are in need of help. A. that B. which C. what D. how 2. It is good news _ they will arrive in a few days. A. which B. what C. that D. how 3. This is _ she was born. A. where B. which C. that D. what 4. The question is _ we cant go there today. A. that B. what C. which D. when,5. The question is _ it is worth doing. A. if B. whether C. which D. what 6. The reason he has made such great progress is _ he has never wasted his time. A. because B. why C. that D. what 7. My suggestion is _ we should turn the land into rice fields. A. what B. that C. which D. where,8. His proposal is that the dam _ at the foot of the mountain. A. build B. will build C. be built D. will be built 9. We all know the truth _ the earth goes round the sun. A. that B. which C. what D. whether 10. We heard the news _ our team had won. A. which B.