第8讲 语法专题复习讲解3-2021年新初三英语暑假讲义

第八讲 语法专题复习讲解3 一、 知识整合 1. 连接代词和连接副词引导宾语从句 由连接代词who, whom, whose, what, which和连接副词when, where, why, how引导的宾语从句。这些连接代词和连接副词在宾语从句中充当某个成分。 例如：Do you know who (whom) they are waiting for? He asked whose handwriting was the best. Can you tell me where the No.3 bus stop is? I don’t know why the train is late. 宾语从句的语序应为陈述句的语序。 例如：No one knows what he is doing. Can you tell me how I can get to zoo? 宾语从句的时态受主句的限制: 主句是一般现在时态，从句根据实际情况而定；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。 例如：She says that she is a student. She said that she was a student. She says that she will fly to Japan in a week. She said that she would fly to Japan in a week. She says that she has finished her homework already. She said that she had finished her homework already. 如果宾语从句说的是客观真理、自然现象或事实时，这时宾语从句要用一般现在时态。 例如：The teacher said that the earth goes round the sun. He told me that Japan is an island country. 2. 提建议的句型 ① Why not...是Why don’t you...的缩写形式，表示“为什么...”，后接动词原形。 Why not help me?=Why don’t you help me? ② What a