Unit 4 Adversity and Courage Discover useful structures 课件-2023-2024学年高中英语人教版（2019）选择性必修第三册

Period 3 the Present Perfect Continuous Tense Discover useful structures Unit 4 Adversity and Courage 1 To learn the present perfect continuous tense. To practice the present perfect continuous tense by completing some exercises. 1. learn about the form and function of the present perfect continuous tense --- have/has been doing; 2. learn to review and sum up the differences between have/has done and have/has been doing; 3. learn to talk about and write the things about hobbies and recent activities with the present perfect continuous tense --- have/has been doing. 2 Enjoy an English song & fill in the blanks. 01 Lead-in: I __________________ with a shadow overhead I __________________ with a cloud above my bed I have been lonely for so long Trapped in the past, I just can’t seem to move on I __________________ all my hopes and dreams away Just in case I ever need them again someday I __________________ aside time to clear a little space in the corners of my mind…… have been living have been sleeping have been hiding have been setting The Present Perfect Continuous Tense Way back into love 3 基本结构 基本用法 常用的时间状语 现在完成进行时和 现在完成时的区别 Contents 02 Contents 4 1 Basic forms 现在完成进行时的结构 肯定式：have/has been doing 否定式：have/has + not + been doing 一般疑问式：Have/Has + 主语 + been doing...? 特殊疑问式：疑问词+一般疑问式 2 经常与现在完成进行时连用的时间状语 for +时间段/since+时间点 this week/this month all day/all the morning/all the time recently; these days; lately; up to now; till now; so far over/in the past five years, 等表示一段时间的时间状语 The usage of the tense 2 He has been watching TV for 3 hours, but he is still watching now. 动作发生在过去，还将继续下去。 Present Past Future Where have you been? I have been waiting for you for a long time. Present Past Future 动作发生在过去，刚终止，不再继续下去。 The usage of the tense 2 Jack has been phoning Jane every night for the last week. Tom has always been working hard. (赞许） What have you been doing to my dictionary? （不满） 表示动作并不是一直不停地进行，而是在断断续续地重复。