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I know him . 2. I know who he is . 主语主语谓语谓语宾语宾语（简单句）（简单句）主语主语谓语谓语宾宾 语语 从从 句句连词连词 从句主语从句主语 从句谓语从句谓语 主主 句句（复合句）（复合句）宾语从句的概念：宾语从句的概念：宾语从句在复合句中作主句的宾语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。可以放在及物动词或者介词后面。句子结构：句子结构：主句主句 + +连词（引导词）连词（引导词）+ + 宾语从句宾语从句作介词的宾语作介词的宾语He always pays attention towhatever the teacher says.He talked of how he helped the old man.2021/6/2051. 引导宾语从句的连接代词主要有：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：等；连接副词主要有：where, when, how, why等等; 连词主要连词主要有有that, if, whether。2. whether和和if都意为都意为“是否是否”，通常情，通常情况下，二者都可以引导宾语从句；但况下，二者都可以引导宾语从句；但在介词之后只能用在介词之后只能用whether,另外，从另外，从句后有句后有or not或动词不定式时，只能或动词不定式时，只能 用用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. 4. 连词连词+ +宾语从句宾语从句 连词连词+to do+to dovI dont know what 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 would 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从句时，通常只有第一个从句的that可以省略，其余从句的可以省略，其余从句的that一般不能一般不能省略。如：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，后接宾语从句等连用，后接宾语从句时，通常将从句的否定转移到主句谓语动词，时，通常将从句的否定转移到主句谓语动词，形成否定前移形成否定前移 如：如：I dont suppose youre used to this diet. to dowill tell / have toldiswaswould come部分资料从网络收集整理而来，供大家参考，感谢您的关注！
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