1、1.I know him.2.I know who he is.主语谓语宾语（简单句）主语谓语宾 语 从 句连词 从句主语 从句谓语 主 句（复合句）宾语从句的概念：宾语从句在复合句中作主句的宾语,可以放在及物动词或者介词后面。句子结构：主句+连词（引导词）+宾语从句作介词的宾语He always pays attention towhatever the teacher says.He talked of how he helped the old man.1.引导宾语从句的连接代词主要有：who,whom,what,which,whatever,whoever等；连接副词主要有：where
2、,when,how,why等;连词主要有that,if,whether。2.whether和if都意为“是否”，通常情况下，二者都可以引导宾语从句；但在介词之后只能用whether,另外，从句后有or not或动词不定式时，只能用whether。?he will go to will he go to he wants to does he wants to we are going to are we going to he knowsdoes he knowthey will go to will they go to4.连词+宾语从句 连词+to dovI dont know what
3、I shall do next.I dont know what to do next.vShe didnt decide which one she would choose.She didnt decide which one to choose.vPlease tell me whom youll give the letter to.Please tell me whom to give the letter to.5.有时可用有时可用it作形式宾语，而把真正的宾作形式宾语，而把真正的宾 语从语从句后置。如：句后置。如：We found it strange that no one w
4、ould take the money.He has made it clear that he would not give in.6.that在引导宾语从句时无词义，也不充当任何成分，且通常可以省略。但如果含有两个或两个以上的并列宾语从句时，通常只有第一个从句的that 可以省略，其余从句的that一般不能省略。如：My uncle said(that)he would come and that he would also bring his son.7.在第一人称在第一人称I,we与动词与动词think,expect,believe,guess,suppose等连用，后接宾语等连用，后接宾语从句时，通常将从句的否定转移到主句谓语从句时，通常将从句的否定转移到主句谓语动词，形成否定前移动词，形成否定前移 如：如：I dont suppose youre used to this diet.to dowill tell/have toldiswaswould come
