宾语从句课件2022-2023学年外研版八年级英语下册

Object Clause 宾语从句的概念。 包含宾语从句的句子结构。 宾语从句三要素。 一 宾语从句的概念 宾语从句即句子作宾语,而不再是一个词或短语作宾语。 I like my teacher. I want to drink water. I believe he is a good student. 二 包含宾语从句的句子结构 主句+连接词(引导词)+宾语从句 I know that he is honest. I want to know whether/if he will come tomorrow. Can you tell me why you like drawing? 三 宾语从句三要素 连接词 语序 时态 (一)连接词 1.That,引导陈述句,表确定概念,常省略 2.Whether/if: 引导一般疑问句,意为“是否”表不确定概念不可省略。 3.特殊疑问词:when ,where, what, who, how etc. (1.) 陈述句的转换 陈述句转化成宾语从句时,引导词用that,常可省略。 She told me. She will go with us. She told me (that) she would go with us. I can hardly believe. We are in the city center. I can hardly believe (that) we are in the city centre. I am sure. It will be fantastic to see the city from the top. I am sure (that) it will be fantastic to see the city from the top. (2). 一般疑问句转化成宾语从句引导词多用whether/if I asked her, “Will you have a picnic tomorrow?” I asked her if/whether she would have a picnic tomorrow. I wanted to know. Was he doing his homework? I wanted to know if/whether he was doing his homework. Could you tell me? Does Mr. Green live in Shanghai? Could you tell me whether/if Mr. Green lives in Shanghai? If与whether的区别 1.与or not连用只能用whether I don’t know _he will come or not. 2. 介词后只能用whether I don’t care of _ he is handsome. whether whether 3.特殊疑问词引导的宾语从句 (从句中想表达什么时间,什么地点,什么原因等意思需用特殊疑问词来引导) 初中常见的疑问词:when, where, why, what, who, etc. I don’t know where he lives. I don’t know who he is. I want to know what he is doing. I want to know when you will be back. 二 语序:陈述句语序 陈述句结构:主+谓+其他成分 I know that he likes English. She thinks that the flower is beautiful. Tom said that he could speak French. 三 时态(时态一致性) 1.如果主句时态是一般现在时,宾语从句的时态根据具体情况来定,可以是任意时态。 Please tell us where we’ll go fishing. 2.如果主句的时态是一般过去时,宾语从句只能用相应的过去时态(一般过去时,过去进行时,过去将来时,过去完成时) He told me that he was born in Beijing in 1997. 3.如果宾语从句所陈述的是客观真理,即使主句用了过去时,从句仍用一般现在时。 The teacher said that the earth moves around the sun. 宾语从句的小结 结构 1.当陈述句作宾语从句时,结构: 主句+that+主语+谓语+其他部分。 2.当一般疑问句作宾语从句时,结构: 主句+if/whether+主语+谓语+其他部分。 3.