Unit 3 The world of Science Grammar 学案-2023-2024学年高中英语外研版（2019）必修第三册

必修三 Book 3 Unit 3 using language (Grammar) 学案 Present perfect passive 自主预习 一、词块英汉互译。 1.例如__________________ 2.破门而入__________________ 3. change beyond recognition__________________ 4.(right)down to__________________ 5. to date__________________ 二、根据构词法知识及所给提示填空。 1.__________________(adj被动的;消极的)→__________________(adv被动地;消极地) 2.__________________(adj重要的;影响深远的;大的;显著的)→__________________(n重要 性;重大)→significantly(adv重大地;显著地;明显地)→insignificant(adj微不足道的;无足轻重的)→insignificance(n不重要;无足轻重) 3.__________________(adj受伤的;委屈的)→injury(v使受伤;伤害)→__________________(n伤;损伤;伤害) 三、用被动语态改写下列句子,并完成填空。 Active voice Passive voice People have made important advances in medicine and environmental science thanks to increasing computer power. Important advances 1.____________________ in medicine and environmental science thanks to increasing computer power. Someone has told me that you're an inventor yourself. I 2.____________________that you're an inventor yourself. They haven't published Tom's novel. Tom's novel 3.____________________ Has the Internet changed your life? 4.____________________by the Internet? How much money have they spent on the earthquake recovery? 5.____________________on the earthquake recovery? 现在完成时的被动语态(Present perfect passive)表示过去发生的动作对现在造成的影响或结果,或从过去某时一直延续到现在的动作或状态;主语是行为动作的承受者。现在完成时的被动语态结构为: 肯定式 6.____________________ 否定式 7.____________________ 一般疑问式 8.____________________ 特殊疑问式 疑问词+have/has+主语+been done 下面几种情况一般用被动语态: 不知道或没有必要说明动作的执行者是谁; ◆强调动作的承受者,而不强调动作的执行者; ◆动作的执行者很模糊; ◆有时为了礼貌的需要,避免说出动作的执行者。 课堂巩固 ◆词汇过关◆ 一、写出下列句子中画线部分精准的汉语释义。 1.I had no plans beyond listening to my favorite records for the spring break.[beyond 基本义:超出](2021新高考改) 2.Our Standard Course guarantees(确保)a significant increase in your confidence in a foreign language.(2016天津) 3.They are spending a significant amount of time in fruitless efforts as they multitask(同时执行多项任务).(2008重庆) 4.Experts have been warning of the health risks caused by passive smoking. 二、根据所给汉语,用适当的词块完成下列句子。 1.I spent my