Unit1知识点-Grammar Focus语法讲义 （讲义）2026-2027学年人教版英语九年级上册

本讲义聚焦九年级英语上册Unit1核心语法，系统梳理一般过去时（表过去动作/状态）、现在完成时（表过去对现在影响/持续动作）及used to do结构（表过去习惯），通过例句解析、对比练习构建从基础到综合运用的学习支架。 资料以“讲练结合”为特色，含中英互译短语、分层练习（填空/对话/单选）及答案解析，助力学生提升语言能力（通过对话练习强化表达），培养思维品质（对比时态差异提升分析能力），课中辅助教师高效授课，课后帮助学生自主复习、查漏补缺。

九年级英语上册Unit1知识点-Grammar Focus语法讲义 【课文要点】 1. 一般过去时 (Simple past tense) 表示过去发生的动作或存在的状态，常与表示过去的时间状语连用。 结构： 主语 + 动词过去式 - He became a good friend of your grandfather about 20 years ago. 大约20年前，他成了你祖父的好朋友。 - became v. 成为（become的过去式） - ago adv. 以前 - e.g. He ____________ a good friend of your grandfather about 20 years ago. - We used to have to travel far to see a doctor. 我们过去常常不得不走很远去看病。 - used to do 过去常常做某事 - have to 不得不 - e.g. We ____________ to have to travel far to see a doctor. - Many people used to work in big cities. 许多人过去在大城市工作。 - e.g. Many people ____________ to work in big cities. - It opened last Friday. 它上周五开放的。 - open v. 开放（过去式 opened） - last Friday 上周五 - e.g. It ____________ last Friday. - I went there with my grandpa on Saturday night. 我周六晚上和我爷爷去了那里。 - go v. 去（过去式 went） - e.g. I ____________ there with my grandpa. - I also read some digital books on the computer. 我还在电脑上读了一些电子书。 - read v. 读（过去式 read，发音/red/） - digital adj. 数字的，电子的 - e.g. I also ____________ some digital books. - My grandpa listened to some audio books because he can't see well. 我爷爷听了一些有声读物，因为他视力不好。 - listen to 听 - audio adj. 音频的，有声的 - e.g. My grandpa ____________ to some audio books. 2. 现在完成时 (Present perfect tense) 表示过去发生的动作对现在造成的影响或结果，或表示动作从过去开始持续到现在。 结构： 主语 + have/has + 过去分词 - They haven’t seen each other for ages! 他们已经很久没见面了！ - see v. 看见（过去分词 seen） - for ages 很久，很长时间 - e.g. They ____________ seen each other for ages. - Our village has just built a new hospital. 我们村刚建了一所新医院。 - build v. 建造（过去分词 built） - just adv. 刚刚 - e.g. Our village has just ____________ a new hospital. - Now, more of them have come back to live and work here. 现在，更多的人已经回到这里生活和工作。 - come v. 来（过去分词 come） - come back 回来 - e.g. More of them have ____________ back. - Have you been to the new library yet? 你去过新图书馆了吗？ - been to 去过某地（去了已回来） - yet adv. 已经（用于疑问句和否定句） - e.g. ____________ you been to the new library yet? - It’s the most high-tech library I have ever visited. 这是我参观过的最具高科技含量的图书馆。 - ever adv. 曾经 - visit v. 参观（过去分词 visited） - e.g. It's the most high-tech library I have ____________ ever visited. 3. used to do 结构 表示过去常常做某事，但现在不再做了。 - We used to have to travel far to see a doctor. - Many people used to work in big cities. - In the past, there used to be no bridges to cross over mountains and rivers. 过去，山里河上没有桥梁。 - used to be 过去曾经是/有 - bridge n. 桥 - cross v. 穿过，横跨 4. 综合运用（课文例句） - In the past, it was difficult to travel in Guizhou. 过去，在贵州出行很困难。 - difficult adj. 困难的 - travel v. 出行，旅行 - e.g. In the past, it ____________ difficult to travel in Guizhou. - In many places, there used to be no bridges to cross over mountains and rivers. 在许多地方，过去没有桥梁来跨越山脉和河流。 - e.g. There ____________ to be no bridges to cross over mountains and rivers. - This made it difficult for locals to bring products to the market. 这使得当地人很难把产品运到市场。 - make it + 形容词 + for sb. to do 使某人做某事变得…… - bring v. 带来 - e.g. This ____________ it difficult for locals to bring products to the market. - Now great changes have taken place. 现在发生了巨大的变化。 - take place 发生 - e.g. Now great changes have ____________ place. - The government has built thousands of kilometres of highways, railways, and wide roads. 政府已经修建了数千公里的高速公路、铁路和宽阔的道路。 - thousands of 数千的 - e.g. The government has ____________ thousands of kilometres of highways. - A journey that used to take a day now takes only a few hours. 过去需要一天的路程现在只需要几个小时。 - journey n. 旅程，行程 - e.g. A journey that used to ____________ a day now takes only a few hours. - The lives of local people have improved. 当地人的生活已经得到改善。 - improve v. 改善 - e.g. The lives of local people have ____________. - They are much richer and happier than they once were. 他们比过去富裕得多，也幸福得多。 - once adv. 曾经，一度 - e.g. They are much richer and happier than they once ____________. 【高频短语汇总】中英互译 1. for ages __________ 2. __________ 很久 3. just __________ 4. __________ 刚刚 5. already __________ 6. __________ 已经 7. yet __________ 8. __________ 已经（疑问句/否定句） 9. ever __________ 10. __________ 曾经 11. take place __________ 12. __________ 发生 13. used to do __________ 14. __________ 过去常常做某事 15. thousands of __________ 16. __________ 数千的 17. have/has been to __________ 18. __________ 去过某地 19. make it + adj. + for sb. to do __________ 20. __________ 使某人做某事变得…… 【综合练习】 一、用所给动词的正确形式填空 1. He ____________ (become) a good friend of your grandfather about 20 years ago. 2. We ____________ (use) to have to travel far to see a doctor. 3. They ____________ (not see) each other for ages. 4. Our village ____________ (just build) a new hospital. 5. More of them ____________ (come) back to live and work here. 6. ____________ you ____________ (be) to the new library yet? 7. I ____________ (go) there with my grandpa on Saturday night. 8. It ____________ (open) last Friday. 9. It's the most high-tech library I ____________ ever ____________ (visit). 10. I ____________ (read) some digital books on the computer. 二、完成对话（4b） A: ________ you ________ (be) to the new library yet? B: No, I ________ (not know) there was a new library. When did it ________ (open)? A: It ________ (open) last Friday. I ________ (go) there with my grandpa on Saturday night. B: ________ you ________ (like) it? A: Of course! It’s the most high-tech library I ________ ever ________ (visit). B: Oh, what ________ you ________ (see) there? A: There are sections with books about science and Chinese culture, as well as a huge section with children's books. I also ________ (read) some digital books on the computer. My grandpa ________ (listen) to some audio books because he can’t see well. B: Cool! I ________ (bring) my little brother there tomorrow. 三、用所给动词的正确形式填空（4c） In the past, it ________ (be) difficult to travel in Guizhou. In many places, there used to ________ (be) no bridges to cross over mountains and rivers, and most roads were just dirt tracks. This ________ (make) it difficult for locals to bring products to the market or to develop industry. Now great changes ________ (take) place. The government ________ (build) thousands of kilometres of highways, railways, and wide roads. It has also built many high bridges over mountains and rivers. A journey that used to ________ (take) a day now takes only a few hours. As a result, the lives of local people ________ (improve). They are much richer and happier than they once ________ (be). 四、单项选择 ( ) 1. He ________ a good friend of your grandfather about 20 years ago. A. become B. became C. becomes D. has become ( ) 2. They ________ seen each other for ages. A. have B. has C. haven’t D. hasn't ( ) 3. Our village ________ just built a new hospital. A. have B. has C. is D. was ( ) 4. ________ you been to the new library yet? A. Have B. Has C. Are D. Were ( ) 5. It opened ________ last Friday. A. on B. in C. at D. / ( ) 6. It’s the most high-tech library I have ________ visited. A. ever B. never C. yet D. just ( ) 7. Many people ________ to work in big cities. A. used B. use C. are used D. using ( ) 8. A journey that used to take a day now takes ________ a few hours. A. only B. yet C. ever D. already ( ) 9. They are much richer than they once ________. A. are B. were C. have been D. had been ( ) 10. Now great changes have ________ place. A. taken B. took C. take D. taking 五、根据汉语意思完成句子 1. 大约20年前，他成了你祖父的好朋友。 He ________ a good friend of your grandfather about 20 years ________. 2. 他们已经很久没见面了！ They ________ seen each other ________ ages! 3. 我们村刚建了一所新医院。 Our village ________ just ________ a new hospital. 4. 你去过新图书馆了吗？ ________ you ________ to the new library yet? 5. 这是我参观过的最具高科技含量的图书馆。 It's the most high-tech library I have ________ visited. 6. 过去，在贵州出行很困难。 In the past, it ________ difficult to ________ in Guizhou. 7. 现在发生了巨大的变化。 Now great changes have ________ place. 8. 政府已经修建了数千公里的高速公路。 The government ________ built ________ of kilometres of highways. 9. 当地人的生活已经得到改善。 The lives of local people have ________. 10. 他们比过去富裕得多，也幸福得多。 They are much richer and happier than they once ________. 六、用所给动词的正确形式填空（综合） 1. I ________ (go) to the library with my grandpa last Saturday. 2. They ________ (not see) each other since 2010. 3. Many people used to ________ (work) in big cities. 4. Our village ________ (change) a lot over the last 20 years. 5. The government ________ (build) many new roads in our town. 6. It ________ (be) difficult for locals to bring products to the market in the past. 7. I ________ (read) some interesting books in the new library yesterday. 8. ________ you ever ________ (visit) the Great Barrier Reef? 【答案】 一、 1. became 2. used 3. haven’t seen 4. has just built 5. have come 6. Have, been 7. went 8. opened 9. have, visited 10. read 二、 Have, been; didn't know; open; opened; went; Did, like; have, visited; did, see; read; listened; will bring 三、 was; be; made; have taken; has built; take; have improved; were 四、 1. B 2. C 3. B 4. A 5. D 6. A 7. A 8. A 9. B 10. A 五、 1. became, ago 2. haven’t, for 3. has, built 4. Have, been 5. ever 6. was, travel 7. taken 8. has, thousands 9. improved 10. were 六、 1. went 2. haven't seen 3. work 4. has changed 5. has built 6. was 7. read 8. Have, visited 1 学科网（北京）股份有限公司 $