Unit 7 现在完成时的用法课件2025-2026学年人教版八年级英语下册

该初中英语课件聚焦现在完成时，系统梳理“已完成有现在结果、持续状态、经历经验、重复次数”四大用法，结合标志词识别、易混句型辨析及与一般过去时对比，搭建从基础用法到综合应用的学习支架。 其亮点在于通过“标志词秒判”“绝杀口诀”等策略，强化语言能力培养，对比辨析提升思维品质，分层练习题巩固学习效果。学生能高效掌握时态用法，教师可直接用于课堂教学，提升教学效率。

现在完成时的用法 用法1：已完成，有现在结果（最常考）  动作发生在过去，不用时间点，强调现在的结果  - I have finished my homework.我已经写完作业（现在可以玩了） 1. I _____________ (finish) my homework. I can relax now. ​ 2. He ___________ (close) the window. It’s not windy now. have finished has closed 练习题 用法2：持续状态  动作从过去一直持续到现在 搭配：for + 一段时间 / since + 过去起点  -He has lived here for 10 years. -She has studied English since 2016. 练习题 She ___________ (learn) English for 6 years. We ____________ (live) here since 2018. has learned​ have lived 用法3：经历、经验  表示一生经历、曾经做过/从未做过 标志：ever / never  -I have ever been to Beijing. 我去过北京 -I have never seen this movie. 我从没看过这部电影 I _______ never _______ (visit) the museum. _______ you ever _______ (see) this film? 练习题 have visited​ Have seen 用法4：重复次数  动作反复发生多次  - I have read this book three times. I ___________ (read) this story twice. ​ He ___________ (be) to Shanghai three times. have read has been 练习题 1. 不确定时间  already 已经（肯定句中） yet 已经/还（否定、疑问句句尾） just 刚刚 ever 曾经 never 从不 before 以前 recently 最近 so far 到目前为止 once / twice / three times 次数 最全标志词（考试秒判时态）  2. 时间段持续标志  for + 一段时间 for two days / for five years  since + 过去时间点/过去句子 since 2010 since I was young 1. I have _______ finished my math homework. yet B. already C. just now ​ 2. Have you cleaned the room _______? A. already B. ever C. yet 3. He has known me _______ two years. since B. for C. in ​ 一秒识别标志词，快速判断现在完成时✨ 答案：B（肯定句用already） 答案：C（疑问句句尾专用yet）​ 答案：B（for + 一段时间） 4. She has lived here _______ she was five. for B. since C. until ​ 5. _______ you _______ been to Hong Kong? Do; ever B. Have; ever C. Did; never 6. I haven’t seen him _______. recently B. yesterday C. just now 答案：B（since + 过去时态句子） 答案：B​ 答案：A 1. have been to去过某地（人已回来） I have been to Qingdao. 我去过青岛  2. have gone to去了某地（人未回，现在不在这） He has gone to Qingdao. 他去青岛了（现在不在）  3. have been in待在某地多久（接时间段） He has been in Beijing for 3 years.  💡绝杀口诀： been to 去过已归 gone to 去了未归 been in 持续待着 三大超级易混句型  1. —Where is Tom? —He _______ the library. He isn’t back. has been to B. has gone to C. has been in 2. I _______ Beijing twice. I know it well. have gone to B. have been to C. have been in ​ 3. My father _______ Wuhan _______ five years. has gone to; for B. has been in; for C. has been to; since ​ 答案：B（去了某地，尚未返回）​ 答案：B（去过某地，现已返回，表经历） 答案：B（在某地持续停留） 4. She _______ Qingdao. She will come back tomorrow. ​5. I _______ never _______ America. 6. He _______ this city _______ 2019. 答案：has gone to 答案：have; been to​ 答案：has been in; since 一般过去时  只讲过去，和现在无关，有过去时间点 yesterday / last year / just now / in 2010  现在完成时  不讲具体时间，只看现在结果  例句对比：  1. I lost my key yesterday.（过去事，现在不一定丢）2. I have lost my key.（现在钥匙还是找不到！） 现在完成时 VS 一般过去时  1. I _______ my homework, so I am free now. finish B. finished C. have finished​ 2. —Have you _______ been to Xi’an? —No, never. ever B. just C. yet ​3. She hasn’t finished her homework _______. already B. yet C. just​ 4. Tom _______ Shanghai. He will come back in three days. has been to B. has gone to C. have gone to​ 5. My mother _______ this city for 10 years. A. has been in B. has been to C. has gone to​ 综合练习 C A B B A ​6. I _______ Beijing many times. It’s very beautiful. have been to B. have gone to C. have been in​ 7. We have known each other _______ 2015. for B. since C. in ​8. He has lived here _______ five years. since B. for C. until ​9. I have _______ seen this movie, so I don’t want to watch it again. already B. yet C. never ​10. _______ you _______ the new storybook yet? A. Do; read B. Have; read C. Did; read​ A A B B B 11. He _______ the book twice. It’s interesting. reads B. read C. has read​ 12. So far, we _______ many new words. learn B. learned C. have learned ​13. —Where is your father? —He _______ Guangzhou. has been to B. has gone to C. went to​ 14. I have never _______ to a foreign country. be B. been C. gone​ 15. She _______ English since she was six years old. A. studies B. studied C. has studied​ B B C C C ​16. They have stayed here _______ two days ago. for B. since C. in​ 17. Have you _______ been late for school? ever B. just C. already ​18. I haven’t seen him _______. recently B. yesterday C. just now​ 19. My brother _______ just _______ his breakfast. has; finish B. has; finished C. is; finishing ​20. We _______ in this school for three years. A. are B. was C. have been B B C A A $