（新教材）2020-2021学年英语外研版必修第三册课件：UNIT 5　WHAT AN ADVENTURE! PERIOD 3 .ppt

1、Unit 5 What an adventure!Period 3Using language语法精析课 过去将来时【体验悟】阅读下面课文原句,分析其时态类型及其时间状语。A组原句1Last year,hundreds of people spent good money on an experience that they knew would include crowds,discomfort and danger.原句2In 2011,words similar to those of Mollary were spoken by American mountain climber Al

2、an Arnette,who climbed Qomolangma in that year and was going to climb other high mountains around the world.B组原句1This year,hundreds of people will spend good money on an experience that they know will include crowds,discomfort and danger.原句2In 2011,words similar to those of Mollary were spoken by Am

3、erican mountain climber Alan Arnette,who has climbed Qomolangma is going to climb other high mountains around the world.【生成得】通过比较两组句子可以看出:A组的两个句子为_,B组的两个句子为_。两组句子中有明显不同的时间状语,如A组中的 _,_ _B组中的_.过去将来时一般将来时last year in thatyearthis year【研学析】过去将来时态1.定义:过去将来时的基本特征就是“立足过去,展望未来”。它表示从过去某一时间看将要发生的动作或存在的状态。但这个动

4、作不会持续到“现在”,而仅限于“过去时间区域内”。由此可以看出,含有这个时态的句子常带一个表示“过去某一时间点”的状语。例如:He said he would come here next Friday.他说他下周五来这儿。2.过去将来时态的构成过去将来时态主要由would/should do,was/were going to do,was/were to do,was/were about to do,was/were on the point of doing等构成。(1)过去将来时态由“should/would do”构成,表示对过去某一时刻来说将要进行或发生的动作或状态。Mary t

5、old us that she would go to Paris next Monday.玛丽告诉我们她下周一要去巴黎。The scientist could not calculate when the spaceship would reach the Jupiter.那位科学家没有算出那艘宇宙飞船什么时候会到达木星。【警示误区】过去将来时态常可用来表示过去习惯性的动作。此时,不管什么人称,一律用would。Whenever he had time,John would help us with our work.过去约翰一有时间就帮我们干活。(2)“was/were going to

6、do”表示过去的“预见”或“意图”,也可表示根据计划安排即将发生的事,可以和表示将来的时间状语连用。Johnson was going to start work the following week.约翰逊打算下星期开始工作。She said she was going to set out at once.她说她将立即出发。(3)“was/were to do”通常指过去的计划安排或注定要发生的事情,可以和表示将来的时间状语连用。These first words Ive learnt were to change my world.我最早学到的这些单词将会改变我的生活。The disco

7、very of gold in Australia led thousands to believe that a fortune was to be made.澳大利亚金矿的发现使得许多人认为要发财了。(4)“was/were about to do”“on the point of doing”表示过去即将发生的事情。I felt that something terrible was about to happen.我感到某种可怕的事情即将发生。I was on the point of going out when the phone rang.我正要出去,这时电话响了。【警示误区】这

8、种结构不能和表示将来的时间状语连用。(5)表示位移的动词,如come,go,leave,arrive,return,start等严格按照时间表发生的表示起止的动词,可用过去进行时态代替过去将来时态。She told me she was coming to see me.她告诉我她要来看我。【内化用】语法填空The manager was concerned to hear that two of his trusted workers _(leave).The novels written by Mo Yan sell best,but ten years ago no one could

9、have imagined how great a role he _(play).were leavingwould playThe scientists said that the population of the world _(increase)slowly in the future.would increase3.过去将来时的基本用法(1)主句为过去时,宾语从句常表示将要发生的事。Nobody knew what would happen after a hundred years.没人知道100年后将会发生什么事。We wanted to know whether she wa

10、s going to speak at the meeting.我们想知道她是否准备在会议上发言。(2)在叙述过去的事情或事情发生的经过时,用过去将来时表示在当时看将来会发生的事。It was a Sunday afternoon.A young woman named Maria had just left school.She was going to start to work the next week,so she decided to buy some new clothes and a new pair of shoes.一个星期天的下午,一个叫玛丽亚的年轻女子刚离开学校。因为她

11、准备下周开始工作,所以,决定买些新衣服和一双新鞋子。(3)过去将来时还可以表示非真实的动作或状态If I had a chance to study abroad,I would study at Harvard University.如果我有机会出国学习的话,我就去哈佛大学。【内化用】句式转换“Where are you going?”the father asked his son.=The father asked his son _.I asked him“will you take a bus or take a train.”=I asked him _ _.where he wa

12、s goingwhether he would take a bus or take atrainMr Wang said to his children“I am leaving for Shanghai on business next month.”=Mr Wang told his children that _ _next month.he was leaving forShanghai on business【常温故勤总结】1.过去将来时的常用结构:would do/was(were)going to do/was(were)to do/was(were)about to do/was(were)on the point of e,go,leave等常用进行时表将来3.be about to do=be on the point of doing不能与表将来的时间状语连用