Unit 4 Adversity and Courage 学案（含解析）—高二英语人教版（2019）选择性必修第三册下学期期末复习

Unit 4 Adversity and Courage 学案（含答案）—高二英语人教版（2019）选择性必修第三册下学期期末复习 一、学习目标整合 1 learn some new words and expressions 2 have a further understanding of the unit 3 learn and master present perfect continuous 二、思维导图回顾知识 三、重难知识易混易错 现在完成进行时 1. 构成：have/has+been+v-ing 2. 用法： (1)表示动作从过去某时开始，一直延续到现在，将来还可能延续下去，强调动作的延续性。 例：I have been waiting for an hour, but she hasn't come yet. 我都等了一个小时了，但是她还没来。 Tom has been working hard since the new term began. 自新学期开始，汤姆一直在努力学习。 (2)表示从过去某时开始到现在这一段时间内动作一再重复发生。 例：She has been phoning Jim every night for the past two weeks. 两星期以来，她每天晚上都给吉姆打电话。 You have been telling me not to be late all the way. 一路上你一直在告诉我不要迟到。 (3)表示动作刚刚结束，该动作一般不再继续，有时会指出结果。 例：I have been playing ping-pong all morning, so I'm sweating. 整个上午我一直在打乒乓球，所以我浑身是汗。 I've been painting the door, so my hands are very dirty. 我一直在给门刷油漆，所以我的手很脏。 (4)表示某种感彩。 例：You have been daydreaming but never make an effort. 你一直在做白日梦，但从不努力。(指责) You have been lying to me. 你一直在对我说谎。(气愤) 3. 现在完成进行时与现在完成时的区别 (1)现在完成时强调的是某个刚刚完成的动作或某个过去的动作对现在的影响或产生的结果；现在完成进行时则强调动作的延续性。 试比较： I have thought it over. 我已经考虑过这件事了。 I have been thinking it over. 我一直在考虑这件事。 (2)现在完成进行时可以表示动作的反复性；现在完成时一般不表示反复性。 试比较： Have you been meeting him recently 你最近经常见他吗？ Have you met him recently 你最近见过他吗？ (3)现在完成进行时有时含有感彩；现在完成时一般表示平铺直叙。 试比较： 亨利工作有条不紊。 Henry has been doing his work orderly. (含表扬的意味) Henry has done his work orderly. (描述事实) 练习： 1. Now that she is out of work , Lucy _____ (think) about going back to school, but she hasn't decided yet. 2. I believe that Tom will pass the driving test this time, for he _____ (prepare) for the test for the last three weeks. 3. For the past years, I _____ (share) a flat with other people, trying to save money to open my own business. 4. Wild animals such as these Tibetan antelopes now _____ (use) these passages for уears. 5. Since last month, George, along with some of his former classmates, _____ (desire) to have a 20-year gathering during this summer. 6. Tom _____ (talk) about his wonderful experience during the holiday without noticing the time. 7. Several companies _____ (approach) Anderson these few days; he's had job offers of all sorts. 8. All these years they _____ (contribute) articles to our magazines. 9. For the past two years, they _____ (study) ways to kill bacteria under zero gravity. 10. They _____ (work) on their program all year and are hoping to finish it soon. 答案： 1. has been thinking 2. has been preparing 3. have been sharing 4. have been using 5. has been ... ...