Unit 12 重点知识点讲解及练习册2022-2023学年人教版九年级英语全册

Unit 12 Life is full of the unexpected 语法知识:过去完成时态 过去完成时表示在过去某一时间以前即“过去的过去”已发生的动作。 Mr. Black told me that he had seen the movie three times. 过去完成时要注意以下几个方面 (1) 过去完成时表示在过去某一时间或动作之前已经发生或完成的动作。它表示动作发生的时间是“过去的过去”。 (2) 过去完成时的结构是: 肯定由“助动词had(用于各种人称和数) + 过去分词”构成 否定式:had not + 过去分词 缩写形式:hadn’t (3) 过去完成时的时间状语: ① 表示过去某一时间可用by, before等构成的短语。 We had finished our homework before 10 o’clock. ② 可能通过when, before等引导的从句表示。 When I got there, the train had left. ③ 过去某一时间通过上下文来表示。 Kate hadn’t studied hard, so she didn’t pass the exam yesterday. 【实战演练】 I. 用所给词的适当形式填空。 1. When I got there the bus _ (go). 2. By the time I got to class, the teacher _ (start) teaching. 3. We _ (learn) over 1,000 words by the end of last term. 4. I _ (clean) the room before he arrived here. 5. His brother _ (leave) home for a year when he got back. II.单项选择 1.He asked me _ during the summer holidays. A. where I had been B. where I had gone C. where had I been D. where had I gone 2. What _ Jane _ by the time he was seven? A. did, do B. has, done C did, did. D. had, done 3. I _ 900 English words by the time I was ten. A. learned B. was learning C. had learned D. learnt 4. “Where _ you _ Mr. Li?” “In his office, half an hour ago.” A. will; see B. did; see C. have, seen D. do; see 5. By the time my parents reached home yesterday, I _ the dinner already. A .had cooked B. cooked C. have cooked D. was cooked 6. She said she_ the principle already A .has seen B. saw C. will see D. had seen 7. She _ in Shanghai for ten years since 1992. A. has lived B. had lived C. lived D. will live 8. The famous writer _ one new book in the past two year . A. is writing B. was writing C. wrote D. has written 9. —These farmers have been to the United States . —Really ? When _ there ? A. will they go B. did they go C. do they go D.have they gone 10. He said a new school _ in two weeks. A. will be built B. would be built C. had built D. was being built 语言知识要点 1. Life is full of the unexpected. be full of = be filled with 充满;装满 Our life