宾语从句在复合句中用作宾语的从句叫做宾语从句。它是众多从句中的一员，在复合句中作主句谓语动词、介词或某些形容词的宾语。在及物动词的后面可以接一个名词来充当宾语，如： I know the man.而这时也可以用一个句子来充当宾语，如： I know that the man is a policeman. 主句 引导词 从句宾语从句三大块: 1. 引导宾语从句的连词和代词选择； 2. 宾语从句的语序； 3. 宾语从句的时态。即；三要素；连词、语序和时态Ⅰ.宾语从句的引导词1.陈述句充当宾语从句时，用 that 引导，that 无词义，在口语或非正式文体中常省略。如：My teacher said I was a good boy.老师说我是个好男孩。She doesn’t know (that) she is seriously ill. I am sure (that) he will succeed.用以下开头与下列句子连成宾语从句:1. I know …2. She says …3. Tell your friend …（that）1.This is a book.2.You like singing.3.He worked last night.4.They will go home.5.Jim has been to Beijing.6.She sings well.2.当由一般疑问句充当宾语从句时，用 if 或 whether 引导，意为“是否”。如：(1) Is Jim a good student? I don’t knowI don’t know if /whether Jim is a good student.(2) Does Kate get up early? Do you know?Do you know if /whether Kate gets up early?用以下开头与下列句子连成宾语从句:11.Do you know …2.I want to know …3.The teacher asks …if/whether1.Is he reading ?2.Do you get up at six?3.Does Tom work hard?4.Did you watch TV ?5.Will they read books ?6.Can you sing ?注意：只能用 whether 不用 if 的三种情况•一般情况下，if 和 whether 可以互换，但以下 3 种 情况只能用 whether：•① 与 or not 连用： He asked me whether or not I was coming. Let me know whether you can come or not.•② 在介词之后： It depends on whether it is going to rain. I worry about whether I hurt her feelings•③ 在不定式之前： We haven’t decided whether to go there. I don’t know whether to accept or refuse.3.如果宾语从句原来是特殊疑问句，只需用原来的疑问词引导。如：1.What i...
