1.I don’t know whether he’ll come tonight or not.2.Did you know whom they are waiting for?3.I wonder if the teacher will come to our house.4.I’m not sure how often Mr Black goes to see his parents.5.Do you know who he thinks will buy new books for us?6.Our teacher told us that the earth goes around the sun.在复合句中用作宾语的从句叫宾语从句 .宾语从句:宾语从句引导词时态语序1 、 That2 、 Whether/ if3 、疑问词1 、主句为现在时,从句的时态可以为任何时态。2 、主句为过去时,从句的时态为过去时的一种。3 、从句为客观真理,自然现象,永恒不变的规律,只用一般现在时。宾语从句的语序为陈述句语序。当由陈述句充当宾语从句时,用 that 引导,that 无词义,在口语或非正式文体中通常省略。当由一般疑问句充当宾语从句时,用 if 或 whether 引导,意为“是 否“。 如果宾语从句原来是特殊疑问句,只需用原来的特殊疑问词引导。 Do you remember ?1. 引导词为疑问词时 , 有时可以转换为“疑问词 + 不定式”的简单句 .2. 从句中有 or not 时只用 whether.3. 前面有介词时只用 whether.Examples:1.I don’t know whether he will come to the party or not.2.He always thinks of whether he can do more for the peaple.3.I don’t know what I should wear. I don’t know what to wear.1. 确定连接词 ( 根据从句的句式 )2. 确定从句语序 ( 把从句变成陈述句 )3. 确定从句的时态 ( 根据主句时态 )1. 确定引导词 ( 根据从句句式 )从 句 的 句 式连 接词 陈 述 句 that一般疑问句if (whether)特殊疑问句特殊疑问词祈使句肯定句to+ 动词原形否定句not to+ 动词原形找引导词 :1.I don't know ______ he will come tomorrow . A. if B. whether C. what D. both A and B2. I don't know______ it is going to rain or not tomorrow . A. if B. whether C. both A and B3.I think _____ someone forgot to sweep the floor . A. that B. / C. where D. both A and B4.He asked me ______ she put the books . A. what B. where C. who D.that答案: 1. D 2. B 3. ...