Unit 6 Nurturing nature Using language课件 2023-2024学年外研版（2019）高中英语选择性必修第一册

Unit 6 Nurturing nature Using language 新标准《英语》高中选择性必修第一册 Activity 1 Look at the sentences from the reading passage and answer the questions. They are different in form and meaning. For Sentence (a) the form is “have been doing”, while for (b) is “have done”. In meaning, the bold part Sentence (a) means the action is continuous from the past; while the action happened once in the past. 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)? Present perfect continuous 3.现在完成进行时的状语 现在完成进行时所用的时间状语:this month/week/year,these days,recently/lately,in the past few+时间段,since+时间点,for+时间段。 We’ve been waiting for him and he has been working in the office for six hours. 我们一直在等待他，他已经在办公室工作了六个小时了。I have been studying English recently and have been learning for 11 months since I started classes last year. 我最近一直在学习英语，自从我去年开始上课以来，我已经在学了11个月了。 4.现在完成进行时的用法 (1)表示动作的延续。 But I have been writing all my life. 我一生都在坚持写作。(动作还将继续下去) She has been training for the marathon for six months now. 她已经为马拉松比赛训练了六个月。 (2)表示在说话之前刚刚结束的动作。 I have just finished washing the dishes. 我刚刚洗完了碗。(动作不再继续下去) (3)有些现在完成进行时的句子等同于现在完成时的句子。 I have been living in this city for three years. = I have lived in this city for three years. 我已经在这个城市生活了三年。 She has been working on this project since last year. = She has worked on this project since last year. 她从去年开始一直在做这个项目。 (4)大多数现在完成进行时的句子不等同于现在完成时的句子。 I have been studying English for two hours every day this week. 我这周每天都学习了两个小时的英语。(动作还将继续下去) I have studied English for two hours every day this week. 我这周每天都学习了两个小时的英语。(动作已经完成) She has been running every day this month. 她这个月每天都跑步。 She has run every day this month. 她这个月每天都跑步了。 (5)表示状态的动词不能用于现在完成进行时。 She has been loved pizza for a long time. 她爱吃披萨很长时间了。 She has loved pizza for a long tim