新外研社版高中英语选择性必修一Unit6Nurturing nature-Using Language教学设计

新外研社版高中英语选择性必修一 Unit6 Nurturing nature Using Language教学设计 教学目标： By the end of this period, students will be able to: 1.Understand the function of the present perfect continuous tense by observing the examples,and then use it in a specific context; 2.Work together to understand the two tenses through discussing and teaching; 3.Make relevant exercises to strengthen the grammar content. 教学重难点： 1. Understand the usage and concept of the present perfect continuous tense. 2. Know the differences between the present perfect continuous tense and the present perfect tense. 教学方法： Task-based teaching method 教学资源： 教材、多媒体课件、学案、黑板和粉笔。 教学设计： Step Ⅰ　Lead-in Look at the sentences from the reading passage and answer the questions. a Wild animals such as these Tibetan antelopes have now been using these passages for years. b ...before I know it,we have reached Tanggula Station. Questions: 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. 2.What is the difference between the expressions in bold in sentences (a) and (b)? Suggested answers: 1.(1),(3) 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 past;while the bold part in sentence (b) means the action happened once in the past. Step Ⅱ　Analysis and identification Activity 1　Complete the passage with the correct form of the verbs in brackets I 1.__________(hear) a strange sound for a while.It’s a deep,loud roar,like a lion’s.But there aren’t 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 turn my head to look at it.Oh no!It’s a giant spider!I brush it off and it runs under some leaves.I try to bat aw