宾语从句时态 1 概念 在句子中起宾语作用的从句叫做宾语从句 宾语从句的时态 在宾语从句中 谓语动词的时态要和主句中谓语动词的时态保持一致 一 般规律为 1 主句中的谓语动词如果是一般现在时 从句中的谓语动词可以用相应地任 何时态 1 I don t know when he will come back 我不知道他什么时候回来 2 He tells me that his sister went to Bei jing yesterday 他告诉我他姐姐昨天去北京了 2 2 主句中的谓语动词如果是一般过去时 从句中的谓语动词要用相对应的 过去时态 1 Wang mei didn t know who he was 王梅不知道他是谁 2 She asked her father how the accident happened 她问她爸爸事故是如何发生的 3 He told me that he was preparing for the sports meeting 他告诉我他在为运动会做准备 3 3 如果宾语从句所表示的是客观事实 普遍真理 自然现象或习惯性动作 等 不管主句用什么时态 从句都用一般现在时 1 We all know that the sun rises in the east 我们都知道太阳从东方升起 2 The scientist said that the earth goes round the sun 科学家说地球绕着太阳转 4 1 I didn t know whom the letters The headmaster hopes everything well go 2 The radio says it cloudy tomorrow be 3 Tom says that they play basketball at six o clock yesterday evening 4 I hear he return it already 5 He said that they members of the Party since 1948 be 6 He asked what they at eight last night do 7 The teacher told his class that light faster than sound travel 8 I think you about the relay race now talk 练一练 5 6