Unit 12 Section A Grammar Focus-4c 动词的时态之过去完成时（课件）-2024-2025学年人教版英语九年级全册

过 去 完 成 时 Past Perfect Tense 金徽酒 目录 01 定义 02 结构 03 用法 Past Perfect Tense 04 判断依据 你好 定义 表示在过去某一时间或动作之前已经发生或完成了的动作,即“过去的过去”(past -in -the- past)。 (将来) (过去完成) (一般过去) When Tom got to the airport, the plane had already taken off. (现在) Past Perfect Tense got to had taken off 你好安 Past Perfect Tense 结构 肯定形式 主语 + had + done + ... Tom had fininshed his homework by 10 o’clock last night. Past Perfect Tense 结构 否定形式 主语 + hadn’t + done + ... Tom hadn’t fininshed his homework by 10 o’clock last night. Past Perfect Tense 结构 疑问形式 Had+主语 + done + ...? Had Tom fininshed his homework by 10 o’clock last night? 肯定回答: 主语+ had. Yes, he had. 否定回答: 主语+hadn’t. No, he hadn’t. Past Perfect Tense 用法 常与by、before等构成的时间短语连用 By the time the teacher came, Tom had finished cleaning the classroom. 1 Past Perfect Tense 用法 常用于在said、told、knew、realized、thought等后面宾语从句中 Tom said that he had made full preparations for the exam. Tom realized that he had made a big mistake. 2 Past Perfect Tense 用法 常用于when、 before等引导的时间状语从句中的复合句中 When Tom woke up, it had stopped raining. Tom had learned English for three years before he went to the UK. 3 Past Perfect Tense 判断依据 1.时间状语 by + 过去的时间点 Tom had worked out two math questions by 10 o’clock last night. by the end of+ 过去的时间点 Tom had learned 2000 words by the end of last term. before+ 过去的时间点 Tom had finished six tasks before last Friday. 过去的时间点 Past Perfect Tense 判断依据 2.上下文语境 Tom told me that he had given back the book to me. When Tom got to school, the bell had rung. 过去的过去 had painted 1. He _ (paint) the house before he moved in. Past Perfect Tense 练习 had gone 2. By ten yesterday evening, she _ (go) to bed. Past Perfect Tense 练习 had watched 3. He told me that he _ (watch) the movie. Past Perfect Tense 练习 hadn’t finished 4. He _ (not finish) his task by the end of last month . Past Perfect Tense 练习 Thanks! $$