2024届高三英语一轮复习时态之完成式 课件

时态之完成式 完成式的本质 表示“回顾”，即从一个时间点回顾到另外一个时间点。 现在完成时： • • 过去完成时： 将来完成时： • • • • 课程目标 一. 完成式的结构 二. 完成式的使用场景 三. 完成式的解题 一、完成式的结构 一. 完成式的结构 主动 被动 现在完成时 过去完成时 结构 have /has done have/has been done had done had been done Exercise 判断下列结构是否为完成式 1. have been arranged 3. has been bothering 4. having worked 5. have had 6. had coughed 7. having been taken 8. had been wanting 9. are being built 10. had been painted 2. was being doubted 二、完成式的使用场景 (一) 现在完成时的场景 1. 过去事件延续或重复到现在 • • • • • • • 赏析： （1）An old woman walked out into the middled of the street. The policeman yelled to her, “Don’t you know what it means when I hold up my hand?” The lady said, “Sure, I do. I have been a school teacher for 28 years now.” （2）In all the work I have done as a president, every decision I have made, every executive action(决策) I have taken, every bill(法案) I have proposed(提出)and signed, (1) 时间状语： since+时间点 / 从句 for +时间段 迄今为止：until now, up to now, up to the present, so far… 在最近几月/年以来：during the last three months / in / over the past few years / throughout history… many times /a couple of times… (2) 固定句式： This (It, That) is the first (序数词) time that (用现在完成时) This (It) is the +(形容词最高级) that (用现在完成时) This is the most interesting story that I have read. It is the first time that we have visited the city. (一) 现在完成时的场景 2. 过去事件对现在的影响 • (1)时间状语： 与“不确定的时间状语”连用： already / yet / lately / just / never / ever /before… 赏析： A modern girl went to the theater with a vest and a pair of slippers(拖鞋). The ticket-examiner turned her away very politely : “ Miss, NO admission with slippers.” “Really?” the girl took off the slippers and carried them in her hands, “ Then I will go in barefootedly(光脚).” “Oh, my god!” the ticket-examiner cried out, “Fortunately, I haven’t told her No admission with a vest!” 特殊点： 现完 VS 现完进行 试比较： 1. My hands are very dirty. I have been painting the house. 2. I have painted the house green. The house was white, but now it’s green. 现完强调“结果”，现完进行强调“延续过程”。 (二) 过去完成时的场景 1. 过去之前的动作延续或重复到过去 • • • •