Unit 2 Discovering Useful Structures 预习ppt课件-（2019）新人教版高中英语选择性必修第一册.pptx

1、Discovering Useful Structures 预习课件预习课件 Unit 2 Looking into the future obey v. 服从；遵守服从；遵守 教材原句教材原句 The home system will obey 要点必记要点必记 obey用作及物动词时，后可接名词、代词作宾语。可用于被动结构。 e.g. Soldiers are expected to obey their orders without question. 军人应当绝对服从命令。 We should obey the law.我们应当遵守法律。 核心词汇核心词汇 constant adj.

2、连续的；固定不变的连续的；固定不变的 要点必记要点必记 continual, continuous, constant 这些形容词均有连续的，不断的之意。 continual : 强调重复或持续发生，但连续之间允许有间断。 continuous : 语意最强，强调在时间和空间上没有间断。 constant : 多指习惯性的重复和不变的持续。 critical adj. 严重的；关键的；批判性的严重的；关键的；批判性的 教材原句教材原句 If you have a critical illness 要点必记要点必记 critical, acute, urgent 这些形容词均有紧急的，严重的之意

3、。 critical : 指极为危急或缺乏的状况，而这种状况标志一种转折点。 acute : 通常指需要和缺乏的紧急程度。也指病情的严重。 urgent : 指情况紧急，急需解决问题。 potential adj. 可能的，潜在的；电势的可能的，潜在的；电势的 教材原句教材原句 .potentially save your life. 例句展示例句展示 1.潜在的，可能的潜在的，可能的 The enterprise should pay attention to their future potential income. 企业应该关注其未来可能获得的收益。 2.电势的，电位的电势的，电位的

4、The potential difference belongs to the field of physics. 电位差属于物理领域。 leak v. 透露；渗漏透露；渗漏 教材原句教材原句 if a water pipe starts leaking 重点归纳重点归纳 vi. 漏出,透露,（指消息，秘密等）泄密,漏电，漏水 vt. 使泄露 n. 泄漏，漏洞,裂缝,漏出物,（俚语）撒尿 变形：过去式: leaked； 现在分词：leaking； 过去分词：leaked； The kitchen roof is apt to leak when it rains. 厨房的屋顶下雨时容易漏雨。

5、The details were supposed to be secret but somehow leaked out. 这些细节原属秘密，可是不知怎么给泄露出去了。 将来进行时将来进行时 1. 将来进行时表示将来某一时间正在进行的动作将来进行时表示将来某一时间正在进行的动作 Dont phone me between 5 and 6. Well be having dinner then. 五点至六点之间不要给我打电话，那时我们在吃饭。 When I get home, my wife will probably be watching television. 当我到家时，我太太可能正在

6、看电视。 核心句式核心句式: : 2. 表示按计划或安排要发生的动作表示按计划或安排要发生的动作 I will be seeing you next week. 我下个星期来看你。 Ill be taking my holidays soon. 不久我将度假了。 We shall be going to London next week. 下周我们要去伦敦。 3. 将来进行时表示委婉语气将来进行时表示委婉语气, 有时用将来进行时可使语气更委婉有时用将来进行时可使语气更委婉 Will you be having some tea? 喝点茶吧。 Will you be needing anythi

7、ng else? 你还需要什么吗？ Unit 2 Looking into the future Discover useful structure 1Learn the future progressive tense Words: instant; command; obey; warning; constant; abnormal2 Phrases: early on3 Goals Look and discuss What do you think your home will be in the future? Lead in Learn 1. Look at the sentenc

8、es below. One is in the simple future tense. The other is in the future progressive tense. What different impressions do they make? In the future, we will use advanced technology every day for automatic control of just about everything in our home. In the future, we will be using advanced technology

9、 every day for automatic control of just about everything in our home. Learn 2. Find more sentences using the future progressive tense from the unit. Rewrite them using the simple future tense. Try to feel the different impressions they make. Learn 将来进行时将来进行时 表示按计划或安排要发生的动作。表示按计划或安排要发生的动作。 基本结构是：基本结

10、构是：主语主语+will do / 主语主语+be going to do 1. 将来进行时表示将来某一时间正在进行的动作：将来进行时表示将来某一时间正在进行的动作： Dont phone me between 5 and 6. Well be having dinner then. 五点至六点之间不要给我打电话，那时我们在吃饭。 When I get home, my wife will probably be watching television. 当我到家时，我太太可能正在看电视。 Learn 2. 表示按计划或安排要发生的动作表示按计划或安排要发生的动作 I will be seei

11、ng you next week. 我下个星期来看你。 Ill be taking my holidays soon. 不久我将度假了。 We shall be going to London next week. 下周我们要去伦敦。 3. 将来进行时表示委婉语气将来进行时表示委婉语气, 有时用将来进行时可使语气更委婉：有时用将来进行时可使语气更委婉： Will you be having some tea? 喝点茶吧。 Will you be needing anything else? 你还需要什么吗？ 4. 将来进行时与一般将来时的区别将来进行时与一般将来时的区别 两者基本用法不一样：

12、将来进行时表示将来某时正在进行的动作; 一般将来时表示将来某时将要发生的动作。 What will you be doing this time tomorrow? 明天这个时候你会在做什么呢？ What will you do tomorrow? 你明天干什么？ Learn 3. Read the passage and complete the following sentences. Jack goes to school every weekday. He leaves home at 6:45 and arrives at school at about 7:30. His morn

13、ing classes begin at 8:00 oclock and continue until 12:15. Then he has lunch, which takes about half an hour. His classes begin again at 1:30 in the afternoon and end at 3:50. He goes to the schools football club at 4:30 and finishes practice at 6:00. He arrives home at about 6:45. Every day he foll

14、ows the same routine and tomorrow will be no exception. Learn 1 At 6:30 a.m. tomorrow, . 2 At 8:10 a.m. tomorrow, . 3 At 12:30 tomorrow,. 4 At 5:00 p.m. tomorrow,. 5 At 6:45 p.m. tomorrow,. A hell be leaving the house. A hell be having a class. A hell be having lunch. A hell be practising football.

15、A hell be arriving home. B hell be at home. B hell have a class. B hell have lunch. B hell practise football. B hell arrive home. Learn 4. Fill in the blanks with the proper forms of the verbs in brackets. 1 You can call me then. I_(not sleep). 2 They set off at 9:00 a.m. and thought they_(reach) th

16、e airport an hour later 3 Will you_(wait) for me until I find the electrical wires? 4 Better not hang out with Sam then. He_(work) on his article on critical thinking. 5 I guess most parents_(support) the new plan at the meeting tomorrow. will not be sleeping will be reaching be waiting will be work

17、ing will be supporting Work in pairs 5. Work in pairs. Read the travel plan and make up a conversation using the future progressive tense. Monday “fly to Beijing from Melbourne, arrive at 10:00 a.m.; visit the Summer Palace in the afternoon Tuesday Morning： visit the Palace Museum； Afternoon： go to

18、Wangfujing Street Wednesday Go to the Great Wall, three hours drive there and back. Work in pairs Thursday Go sightseeing in Shichahai； Visit National Museum of China Friday Trip to Zhangjiakou. Saturday Back to Beijing in the afternoon； Watch Beijing Opera at the Mei Lanfang Theatre. Sunday Return to Melbourne. Words: instant; command; obey; warning; constant; abnormal Summary Phrases: early on PhrasesWords 预习 Unit 2 Make predictions about future changes3 1Recite new words and phrases. 2 Write a passage what your home will be like using the future progressive tense. Bye-bye!