1、1.I know him.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）2.I know who he is.一、宾语从句的概念一、宾语从句的概念从句在复合句中作宾语的名词性从句，通常放在主句谓语动词（及物动词）或介词之后。eg.We know Mr Green teaches English.She asked if these answers were right.二、宾语从句三要素二、宾语从句三要素引导词（连接词）引导词（连接词）语语 序序时时 态态由从属连词由从属连词 tha
2、t 引导的宾语从句引导的宾语从句由连接代词由连接代词 who,whom,whose,which,what 和连接副词和连接副词 where,how,why,when引导的宾语从句引导的宾语从句由从属连词由从属连词 whether,if 引导的宾语从句引导的宾语从句（一）引导词1 12 23 3e.g.1.I hear(that)_.2.He said(that)_.he will be back in an hour he missed us very much1.由从属连词由从属连词 that 引导的宾语从句引导的宾语从句注：注：that 引导的从句，表示陈述一件事实，引导的从句，表示陈述一
3、件事实，that在句中无任何意义，不充当句子成分，在句中无任何意义，不充当句子成分，常省略。常省略。2.由从属连词由从属连词 whether,if 引导的宾语从句引导的宾语从句1.I want to know _ _.2.I wonder _.if(whether)he will go to the park with us whether(if)he can comeif/whether“是否是否”，说明对陈述的事物不明确或不清，说明对陈述的事物不明确或不清楚。常用在楚。常用在ask,wonder,can(could)you tell me 表示疑表示疑问不确定意义的词之后；从句句意完整，不
4、缺成分。问不确定意义的词之后；从句句意完整，不缺成分。We discussed whether we should close the shop.2.当与or not连用，或 or 提出两种选择时:I dont know whether hes free or not.Tell me whether youd like to go shopping or tidy the room.3.用在动词不定式之前时用whether不用if。I dont know whether to go there at once.4.为了强调宾语部分，也可把从句提提在主主句前。前。Whether this is
5、true or not，I cant say.在引导主语从句、表语从句时如：Whether it is true remains a question.The question is whether it is true.注意：只能用 whether不能用 if 的情况 1.在介词后面：在介词后面：Im thinking of whether we should go fishing.Practice time选择选择 if/whether。1.I asked her _ she had a bike.2.Were worried about _ he is safe.3.I wonder _
6、 he is well.4.I dont know _ or not he is well.5.I dont know _ to go.if/whetherwhetherwhether/ifwhetherwhether 1.Do you know_?2.He asked_.whom they are waiting for whose spoken English was the best in the class由连接代词由连接代词 Who,whom,whose,which,what 引导的宾语从句引导的宾语从句主句谓语动词，表示疑问不确定含义，要主句谓语动词，表示疑问不确定含义，要用疑问代
7、词引导宾语从句，并在从句中担用疑问代词引导宾语从句，并在从句中担任句子成分，具有一定的意义，不可省略。任句子成分，具有一定的意义，不可省略。连接副词 where,how,why,when 引导的宾语从句1.Do you know _?2.Please tell me _.3.Can you tell me _?4.Could you tell me _?主句谓语动词，表示疑问不确定含义，要用主句谓语动词，表示疑问不确定含义，要用疑问引导宾语从句，并在从句中担任句子成疑问引导宾语从句，并在从句中担任句子成分分(状语状语)，具有一定的意义，不可省略。，具有一定的意义，不可省略。when well
8、have a meeting where he is how I can get to the station why the train is late宾语从句的语序用宾语从句的语序用陈述语序陈述语序：连接词连接词+主语主语+谓语谓语+其他成分其他成分His brother asks when the library.I dont know what buy.主句主句+连接词连接词+从句（主从句（主+谓谓+其他成分）其他成分）即：即：助动词不能放在主语前面助动词不能放在主语前面。he will go to he wanted to Whats wrong?Whats the matter?W
9、hats happening?Who is over there？注：当从句的原句为以下句子注：当从句的原句为以下句子 以及以及what,who作主语时，作主语时，语序不变语序不变：Do you know what happened over there？做主语做主语vI know she lives here .vI know she lived here five years ago.1.主句用现在时或将来时，从句可用任主句用现在时或将来时，从句可用任何时态，根据实际情况而定。何时态，根据实际情况而定。2.2.如果主句是过去的时态（一般过去时，过去进行如果主句是过去的时态（一般过去时，过去
10、进行时），从句的时态一定要用相对应的过去的某种时时），从句的时态一定要用相对应的过去的某种时态（一般过去时，过去进行时，过去将来时，过去态（一般过去时，过去进行时，过去将来时，过去完成时）完成时）She asked me if I had turned off the light.They said they were playing games at this time yesterday.3.从句说明的是一般真理、客观事实、自然从句说明的是一般真理、客观事实、自然 现象时，仍用一般现在时。现象时，仍用一般现在时。Dad told us that it is better to do tha
11、n to say.He told the boy that three and three is six.He told me the earth moves around the sun.Mr.Li told me the sun rises in the east.注意：否定前移 若主句（主语为第一人称时）谓语动若主句（主语为第一人称时）谓语动词为词为think,guess，imagine，suppose,believe等等其后的宾语从句若含其后的宾语从句若含有有否定否定意义，一般要把否定词意义，一般要把否定词转移转移到到主句谓语上，从句谓语用肯定式；主句谓语上，从句谓语用肯定式；其其反意
12、疑问句，疑问从句反意疑问句，疑问从句。I dont think this dress fits you well,does it?我认为这件衣服不适合你穿,是吗？I dont think you are right，are you?我认为你是错的,是吗？I dont believe you will finish the work today，will you?我认为你今天无法完成工作,是吗？1.The radio says it _ cloudy tomorrow.(be)2.The headmaster hopes everything _ well.(go)3.I hear they _ (return)it already.4.He said that they _ members of the Party since 1948.(be)5.Our teacher told us in class the sun _ in the east.(rise)6.I dont think he can swim,_ _?will be goes have returned had been risesPractice timecan he
