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1、Grammar,Module 3 My First Ride on a Train,To learn the use of the -ed form. 2. To learn the use of past tense time expressions.,学习目标,Grammar 1过去分词,Observe the following sentences and talk about the differences among the four cooked.,1. My mum cooked jiaozi for me yesterday.,2.My mum has cooked for m
2、e for about 15 years.,4.Roast fish cooked by my mum is tasty.,3.The pork chop soup was cooked by my mum.,1. . cooked . 是_ 2. .has cooked . _ 3. .was cooked . 是_ 4. . cooked . 是过去分词作_,一般过去时,现在完成时,被动语态,后置定语,Read the sentences and pay attention to the words in red. 1.Trained animals carried food and ot
3、her supplies.2.We saw abandoned farms which were more than a hundred years ago.3. We ate meals cooked by experts!,Conclusion: The -ed form used as attributives（-ed分词定语）,a. 及物动词的过去分词具有被动和完成意义， 如: a broken cup 一个破杯子a wounded soldier一名伤员b. 不及物动词的具有主动和完成意义，如：a grown woman一位成年妇女an escaped prisoner一名逃犯,1.
4、 单个过去分词作定语, 通常前置,（1）the color TV set produced last year =the color TVset that were produced last year 去年生产的彩色电视机（2）a letter written to me by my daughter =a letterthat was written to me by my daughter 一封我女儿写给我的信,2. 过去分词短语作定语通常后置，其作用相当于定语从句，省去了主语和谓语，如：,常见的这类过去分词有:disappointed(失望的)，moved(感动的)，intereste
5、d(感兴趣的)，surprised(感到惊讶的) ,shocked(震惊的，震撼的) ,puzzled(迷惑不解的),frightened(受惊吓的)等。如:a frightened girl一个受惊吓的女孩。,3.有些表示情感或心理状态的过去分词已经完全形容词化。,如: a newly-arrived passengers 刚到的旅客 fallen leaves 落叶,4.不及物动词的过去分词一些不及物动词也有过去分词形式，由于不及物动词不可以直接跟宾语,所以不及物动词的过去分词作定语时只表示动作的完成，而没有被动意义。,5.过去分词常和形容词、副词或名词构成复合形容词作定语。,The ne
6、wly- built hotel was burnt in the fire.新建的宾馆在火灾中被烧掉了。,Grammar 2Past tense time expressions,1. Are you familiar with these sentences?They are all from Module 3.,1. During the day, I sat and looked out of the window.2. One night, at about midnight, I watched the night sky for about an hour. 3. A long
7、time ago, Australians needed a way to travel to the middle ofthe country.4. The Afghans and their camels did this until the 1920s.5. In 1935, the police in a town shot 153 camels in one day.6. A hundred and fifty years ago, they brought some camels from Afghanistan.7. Recently I had my first ride on
8、 a long-distance train.,They all use Past Present Tense.,总结:常用的表示过去的时间状语有:,recently, during the day, one night, a long time ago, until the 1920s, in 1925, for many years, just now, at that time, during his middle school years, then, last night/year/week /month, a week /month/ year ago, in the old da
9、ys ,2. 表示过去的习惯性、重复性的动作,常用一定的时间状语或频度状语, 如：（1） I played the piano every day when I was five. （2）I used to go to school by bike.,1. 用括号内所给动词的适当形式填空。(1) Prices of daily goods _ (buy) by computer can be lower than store prices.(2) Have you read the novel _ (write) by Dickens?(3) The girl let out a _ cry
10、at the sight of the_snake (frighten) .(4) The _ (lose) boy was last seen playing near the East Lake.,bought,written,frightened,frightening,lost,(6) The song, _ (record) in the studio, sounded wonderful.(7) The concert _ (give) by the twins was a great success.(10) The computer center _ (open) last y
11、ear is verypopular among the students in this school.,2. 用适当的时态补全句子。(1) _ when I was young. 年轻的时候，我每周打篮球。(2) I _ go shopping during weekdays. 我通常周末购物。,given,recorded,opened,I played football every week,used to,1. 熟记过去分词做后置定语的概念及用法；2. 熟记并能运用一般过去时的定义及搭配的时间状语。,1. Remember the rules in this lesson.2. Finish the exercises in the workbook.,Homework,