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1、,Unit 6 Nurturing nature,Section B Using Language,目录,Pre-class,01,While-class,02,After-class,03,01,Pre-class,Leading in,Vocabulary,disturb意思 _ 词性 _disturb, bother与interruptdisturb 侧重打扰某人；bother侧重费心，麻烦别人； interrupt 侧重打断，中断【单词积累】disturbing adj.使人烦恼的，令人不安的 disturbed adj.不安的，烦恼的练习：There was something ab
2、out him she found _ (disturb).,disturbing,Leading in,Vocabulary,in harmony with 意思 _【归纳拓展】out of harmony with与不协调【单词积累】harmonious adj.融洽的，和谐的练习：In this heavenly world, people live in perfect harmony _ nature and the outside world is forgotten.,with,Leading in,Vocabulary,use up意思 _【用法比较】use up及物动词短语，
3、后接宾语，可用于被动语态run out of 及物动词短语，后接宾语，但一般不用于被动语态give out/run out 不及物动词短语，不可接宾语，也不用于被动语态练习：By this time he had _（用尽）all his savings.,used up/ run out of,Activity 1,Look at the sentences from the reading passage and answer the questions.,a Wild animals such as these Tibetan antelopes have now been using
4、these passages for years.b . before I know it, we have reached Tanggula Station.,0,1 Which of these statements are true about sentence (a)?(1) Wild animals started using these passages in the past.(2) Wild animals used these passages only once.(3) Wild animals still use these passages now.,(1), (3),
5、0,2 What is the difference between the expressions in bold in sentences (a) and (b)?,2 They are different in form and meaning. For sentence (a) the form is have been doing, while for sentence (b) the form is have done. In meaning, the bold part in sentence (a) means the action is continuous from the
6、 past; while the bold part in sentence (b) means the action happened once in the past.,02,While-class,现在完成进行时,现在完成进行时的构成和用法构成：have/has + been +动词的现在分词用法：（1）表示从过去某时开始一直延续到现在并且有可能继续下去的动作。常与延续性动词连用，并常与all the time, this week, this month, all the night, all the morning, recently等状语以及since和for引导的状语连用。The
7、 Chinese have been making paper for more than two thousand years.中国人造纸已有两千多年的历史了。,（2）表示动作刚刚结束。Sorry！Im late. How long have you been waiting for me？对不起！我来晚了。你等我多长时间了？（3）表示近期内重复发生的动作。We have been discussing the matter several times this year我们今年已经讨论那件事好几了。（4）表示某种感情色彩。I have been telling you not to mak
8、e trouble.我一直劝你不要捣乱。,2. 现在完成时与现在完成进行时的区别（1）现在完成时往往强调动作的完成，现在完成进行时则强调动作的延续。He has written a letter.他写了一封信。（已经写好）He has been writing a letter.他一直在写一封信。（仍然在写）（2）现在完成时一般不表示动作的重复性，而现在完成进行时可表示动作的重复性。They have met lately.他们近来见过面。They have been meeting lately.他们近来经常见面。,Activity 2,Complete the passage with t
9、he correct form of the verbs in brackets.,I _ (hear) a strange sound for a while. Its a deep, loud roar, like a lions. But there arent any lions here. Or are there? Soon I see what 2_ (make) the noise: a howler monkey. Now I feel less worried. Realising that something 3 _ (move) on my shoulder, I tu
10、rn my head to look at it. Oh no! Its a giant spider! I brush it off and it runs under some leaves. I try to bat away the huge insects, which 4 _ (fly) around my head in a black cloud for quite a while.,have been hearing,has been making,is moving,have been flying,Activity 2,Complete the passage with
11、the correct form of the verbs in brackets.,I pull off the headset and Im back in my living room. Thank goodness! I 5 _ (give) the latest virtual reality headset and, for the last twenty minutes, I 6_ (use) it to explore the Amazon. This is an amazing experience and a reminder of how many species the
12、re are in the rain forest. We must do all we can to protect it.,have been given,have been using,Activity 3,Look at the charts and make sentences using the present perfect continuous tense.,Activity 3,Look at the charts and make sentences using the present perfect continuous tense.,1 The number of tr
13、ees has been increasing in the last 20 years.2 Desert areas have been reducing in the last 20years.3 Butterfly population has been increasing / has been becoming larger and larger in the last 20years.,03,After-class,01,2,03,0,小组讨论,Work in pairs. Talk about how the environment where you live has changed. Use the present perfect continuous tense where appropriate.,谢谢观看,