宾语从句的相关语法知识
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解决时间 2021-02-26 16:00
- 提问者网友:山高云阔
- 2021-02-26 11:26
宾语从句的相关语法知识
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- 五星知识达人网友:平生事
- 2021-02-26 12:05
宾语从句(The Object Clause)在复合句中作主句的宾语.宾语从句通常由下面一些词引导. 1、由that 引导的陈述句性的宾语从句,在很多动词如say, think, wish , hope, see, believe, agree, expect, hear , feel等后.连词that只起连接作用,在从句中不做任何成分,也无词汇意义,在口语中常被省略,但在大多数情况下还是以不省为好. 例:I told him that he was wrong. 2、 由wh-引导的宾语从句,连接代词who,whom,whose, what, which,和连接副词when, where, why, how 等连接的宾语从句,它们在句中即有连接从句的作用,又在句中充当句子的成分. 例:Do you know which film they are talking about? (which做定语) I don’t know where he lives. (where 做地点状语) 3、 由连词whether 或 if 引导(一般情况下两者可替换,口语中常用if).我们应注意的几个问题: 1、 宾语从句的语序.宾语从句的语序必须是陈述语序,既连接词+主语+谓语+其他成分 例:I believe that they will come soon. He asked me whether I was a teacher. They wanted to know what they can do for us. 2、 宾语从句的时态 1)宾语从句的时态受主句的限制,主句用一般现在时,从句也用现在时态. 如:He says Mary is playing with the cat . He says Mary often plays with the cat. 2) 主句是一般过去时态,从句用相应的过去的时态.如果从句的动作发生在主句之前,则从句要用过去完成时态. He said Mary was playing with the cat. He said he hoped to be back soon.. 3) 当从句所表示的是客观真理、自然现象或事实时,这时宾语从句都用一般现在时. 如:He said light travels much faster than sound. The teacher said that the earth goes round the sun. 3、 宾语从句中的否定转移.如果主句谓语动词是think , believe suppose 等,而从句的意思是否定的,这时主句的谓语动词用否定式,从句用肯定式.如: I don’t think you are right. 我认为你不对. 4、 将特殊疑问句变成宾语从句时,从句的语序要由疑问句变成陈述句的语序. When will the meeting begin?-------I want to know when the meeting will begin. 5、 将一般疑问句变成宾语从句时,则用if /whether连接,同时变成陈述句语序,同时注意人称的变化. Are you an English teacher ?-------He asked if I was an English teacher. 注意:由连词if、 whether 引导的表示“是否…”的宾语从句.Whether,if 在从句中不做句子的成分,一般情况下,whether和if 可以替换.但在下列情况下只能用whether,不能用if 1) 介词后的宾语从句 I’m thinking about whether we should go fishing. 2) 宾语从句提前时 Whether this is true or not, I can’t say. 3) 宾语从句中有or not时 I don’t know whether or not he was ready. 4) 和动词不定式连用作宾语时 She hasn’t decided whether to go or not. 当 if 引导条件状语从句,(主
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- 1楼网友:归鹤鸣
- 2021-02-26 13:06
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