（2020新版）外研版选择性必修一Unit 6(2)Using language.pptx

1、Unit 6 Using language Grammar： present perfect continuous TB P65 TB P65 Activity 1 have done 动作已完成动作已完成 have been doing 动作一直持续动作一直持续 Thanks to our efforts, passengers from all over the country have been enjoying these magical landscapes 现在完成进行时现在完成进行时 1 1构成构成 have/hasbeendoing 2 2用法用法 (1)(1)表示过去某一时刻

2、发生的动作一直持续到现在，并表示过去某一时刻发生的动作一直持续到现在，并 有可能继续持续下去。有可能继续持续下去。 Eg. He has been playing computer games all day. Eg. I have been working for this company for three years. (2)表示某一动作从过去开始表示某一动作从过去开始，一直持续到说话时刚刚一直持续到说话时刚刚 结束结束。 Eg. Sorry! Im late. How long have you been waiting for me? (3)表示一直到说话时为止的一段时间内一再重复发

3、生表示一直到说话时为止的一段时间内一再重复发生 的动作的动作。 Eg. The teacher has been telling us to be careful all the term. (4)表达较重的感情色彩表达较重的感情色彩。 Eg. You have been daydreaming but never make an effort. 现在完成进行时现在完成进行时 3时间标志时间标志 现在完成进行时常与现在完成进行时常与all the time, all the morning, these few days, all night等表示一段时间的状语连用等表示一段时间的状语连用。另

4、外另外， 如果表示某一动作的起点如果表示某一动作的起点，可用可用since引导的短语或从引导的短语或从 句句，如果表示某一动作的全部时间如果表示某一动作的全部时间，可用可用for引导的短引导的短 语语。 He has been hoping for a raise in salary all the time. 他一直盼着加薪他一直盼着加薪。 They have been quarreling since two days ago. Activity2 complete the passage with the correct form of the verbs in brackets 1.

5、have been hearing 2. has been making 3. is moving 4. have been flying 5. have been given 6. have been using Activity3 look at the charts and make sentences using the present perfect continuous tense The number of trees _ in the last 20 years. has been increasing Activity3 look at the charts and make

6、 sentences using the present perfect continuous tense Desert areas _ in the last 20 years. have been reducing Activity3 look at the charts and make sentences using the present perfect continuous tense Butterfly population _ _ has been increasing in the last 20 years. Notes: 37. roar 吼叫；咆哮；轰鸣吼叫；咆哮；轰鸣

7、 38. brush off 擦掉，刷掉擦掉，刷掉 39. bat away 击打，甩掉击打，甩掉 40. put off (the headset) 摘掉摘掉/脱掉（头盔）脱掉（头盔） 推迟，延期推迟，延期 41. ecotourism 生态旅游生态旅游 tourism tourist 42. conserve 保存；保护保存；保护 protect conservation conservational conservationist 43. involve 包含，使卷入，使忙于包含，使卷入，使忙于 44. economy 经济经济 economic 经济学的；有利可图的经济学的；有利可图的

8、 economical 节约的，节俭的节约的，节俭的 45. count 计算；数计算；数 46. option 选择权，可选物选择权，可选物 47. hike 徒步旅行徒步旅行 48. compromise 妥协妥协 49. jungle 丛林丛林 Tourism and the environmentTourism and the environment P66 P66 Did you know?Did you know? Activity 6 Listen again and complete the notes Activity 8 Complete the passage with the expressions in the box.