Unit 12 课时3 Grammar(学生版)-【帮课堂】2022-2023学年九年级英语全一册同步精品讲义(人教版)

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Unit 12 Life is full of the unexpected
Grammar 过去完成时
知识点 01 定义与结构
【语法详解】过去完成时的概念
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了的动作,即“过去的过去( past-in-the-
past )”。
----|-------------------------- |-------------------------------|---------------------------->
那时以前  那时  现在      
Mr Black told me that he had seen the movie three times. 布莱克先生告诉我这部电影他已经看过三遍了。
过去完成时的结构:主语+had+动词过去分词(done)
(1)肯定句:主语+had+动词过去分词+其他
He had already been to New York earlier in the week.
本周早些时候他去过纽约。
(2)否定句:主语+hadnot+动词过去分词+其他。
At that time we hadn't met her.
那时我们还没有见到她
(3)疑问句:Had+主语+动词过去分词+其他
肯定回答:Yes,主语+had.
否定回答:No主语+hadn't.
Had you visited here before?
——你以前参观过这里吗?
YesI had./No, I hadn't.
——是,我去过。/没有,我以前没有去过
(4)特殊疑问句:特殊疑问词或词组had+主语+过去分词+其他?
Where had you been before you came here?
你来这里前还去过哪儿
(5)被动语态:主语had (not)been动词过去分词+其他。
By the end of last year all the preparatory work had been done.
到去年底为止,所有的准备工作都完成了。
【即学即练】The house ________ at the foot of a hill. When we arrived, the host had ________ snacks out on the
table.
Alies; laid Blays; lied Clies; lay Dlays; lay
知识点 02 过去完成时的主要用法
【语法详解】过去完成时的主要用法 
过去完成时是一个相对的时态,表示的是“过去的过去”,只有和过去某一时间或某一动作相比较时
才使用它。需要与一个表示过去的时间状语连用,它不能离开过去时间而独立存在。多与 alreadyyet
still justbeforenever 等时间副词及 by before until 等引导的短语或从句连用。如:
He told me that he had written a new book. (had written 发生在 told 之前 )
When I woke up, it had stopped raining.
Before she came to China, Grace had taught English in a middle school for about five years. 
  Peter had collected more than 300 Chinese stamps by the time he was ten.
【即学即练】What happened to you on April Fool’s Day?
I was the only one at school on Saturday, I realized that I ________ by my classmates.
Aam fooled Bhad fooled Chad been fooled
知识点 03 过去完成时的判断依据
【语法详解】过去完成时的判断依据
1. 由时间状语来判定
一般说来,各种时态都有特定的时间状语。与过去完成时连用的时间状语有:
1 by, by the end of, before + 过去的时间点。如:
I had finished reading the novel by nine o'clock last night.
We had learned over two thousand English words by the end of last term.
They had planted six hundred trees before last Wednesday.
Unit 12 课时3 Grammar(学生版)-【帮课堂】2022-2023学年九年级英语全一册同步精品讲义(人教版).docx

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