Unit 12 Life is full of the unexpected Grammar语法 过去完成时-2023-2024学年九年级英语全一册单元语法精讲精练（人教版）

班级 姓名 学号 分数 Unit 12 Life is full of the unexpected. 过去完成时 （时间：60分钟，满分：100分） 概念：表示在过去的某一时间或动作之前已经发生或完成了的动作 现在完成时的结构：have/has done 过去完成时的结构：had done 判断依据：由时间状语来决定 一、时间标志词： 1. by+过去的时间点 “截止到...” 例句：I had finished reading the novel by nine o’clock last night. 2. by the end of +过去的时间点 “到...末” 例句： we had learned over two thousand English words by the end of last term. 直到上个学期末，我们已经学了2000个英语单词了。 3. before +过去的时间点 “在...之前” 例句：They had planted six hundred trees before last Wednesday.上周三之前他们已经种了600棵树。 二、由“过去的过去”来判定 指过去某一动作之前已经发生或完成的动作，有先后关系 动作在前的用过去完成时，动作在后的用一般过去时。 1. 宾语从句中，当宾语从句的主句为一般过去时且从句的动作先于主句的动作时，从句要用过去完成时。 例句：She said that she had seen the film before.她说以前看过这部电影。 He told me that he had finished reading a series of Harry potter .他告诉过我，他读过哈利波特这本书了。 2. 条件状语从句中 在时间，条件，原因，方式等状从句中，主、从句的动作发生有先后关系。 动作在前的，要用过去完成时 动作在后的，要用一般过去时 例句：when i got to the station,the train had already left.当我到车站时，火车已经离开了。 After he had finished his homework ，he went to bed.他完成作业后，睡觉了。 1、 单项选择(本大题共50小题，每小题2分，共100分) 1．By the time I got to school, Mr. Wang ______ teaching. A．started B．has started C．was starting D．had started 2．When I got home, I realized I ________ my keys in the classroom. A．left B．leave C．leaving D．had left 3．The match ________ already ________ when we ________ there. A．has; begun; get B．will; start; get C．had; started; got D．have; get; reach 4．By the end of last year they ________ thousands of orange trees on the mountains. A．had planted B．have planted C．were planting D．would plant 5．By the time he was fourteen, he ________ up a small chemistry lab. A．had set B．has set C．set D．sets 6．When I got up, my parents had already gone out and they hadn’t ________ me a note. A．given B．leave C．shown D．left 7．We were told that Tom’s hometown ________ greatly in the past five years. A．has changed B．had changed C．will change D．would change 8．The house ________ at the foot of a hill. When we arrived, the old man had ________ snacks out on the table. A．lie