Unit 1 The Changing World 语法精讲-同步精练 2026-2027学年人教版英语九年级上册

**基本信息** 聚焦一般过去时与现在完成时区别，分层设计从词汇到语篇渐进，通过基础巩固与情境应用提升语言能力，适配新授课语法教学需求。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础认知|核心词汇拼写与辨析|含泥土、数字等主题词汇填空，强化语言基础| |语法应用|时态形式转换|通过动词适当形式填空，直接训练两种时态结构| |语境辨析|时态情境判断|选择填空结合对话场景，考查时态与时间标志词关联| |语篇综合|时态语篇运用|短文填空融入教育变化主题，综合运用时态描述过去与现在，提升思维品质|

Unit 1 The Changing World 语法精讲-同步精练 语法精讲 一般过去时与现在完成时的区别。 时态 用法 课本例句 分析 一般过去时 描述过去发生、已经结束的动作,只说明“过去发生了什么”,和现在没有直接关系。常搭配明确的过去时间,如:about 20 years ago、used to、last Friday、at that time等 He became a good friend of your grandfather about 20 years ago. 动作发生在20年前,已经结束,只说明过去的事 We used to have to travel far to see a doctor. 描述过去的习惯,现在已经不这样了 It opened last Friday. I went there with my grandpa on Saturday night. 动作发生在上周五和周六晚上,已经结束,有明确的过去时间 现在完成时 描述从过去开始,持续到现在的动作,或过去的动作对现在有影响/结果。强调“到现在为止的经历、状态或结果”,常搭配:for ages、ever、already、just等 They haven't seen each other for ages! 从过去到现在一直没见面,强调持续到现在的状态 Our village has just built a new hospital. 医院刚建成,这个结果对现在的生活有影响 It's the most high-tech library that I have ever visited. 强调“到现在为止”的经历,是“我”参观过的最高科技的图书馆 解题口诀 1. 过去时间若出现,一般过去记心间。 1. 至今经历仍相连,完成时态记最牢。 同步精练 一、根据句意及汉语、首字母或音标提示填空 1. There is a lot of (泥土) on your shoes. 1. The train passed by, leaving clear t on the wet ground. 1. My father bought me a d camera for my birthday so I could take clear photos. 1. It’s nice to walk along a (宽阔的) street with many green trees on both sides. 1. The /’ di / tape recorder in our classroom still works well after many years. 1. It’s unsafe to walk through (地下通道) on rainy days. 二、用括号内所给词的适当形式填空 1. My cousin (visit) the new high-tech library in our town with his classmates last Sunday afternoon. 1. Mr Li, our English teacher, (work) in this middle school for 15 years and he knows all the students very well. 1. The two old friends (not see) each other since they moved to different cities after graduation. 1. Our family (move) to the new community near the highway because my father’s office is closer there. 1. My sister (read) three classic novels already this month and she plans to share them with her friends. 1. The students (play) basketball on the school playground before the rain started suddenly. 三、选择填空 ( )1. — Have you told your mother what happened? — Of course I have. I her half an hour ago. A. told B. will tell C. was telling D. have told ( )2. Many foreign students to visit our school since last year. A. are coming B. have come C. came D. will come ( )3. — Since 2023, our school free breakfasts to students in need. — That’s a great way to help poor kids. A. offered B. has offered C. was offering D. had offered ( )4. — Peter, did you play table tennis with your friends after school yesterday? — No, I didn’t. We vegetables in our school garden. A. water B. have watered C. watered D. are going to water ( )5. — So far, our community 300 books for children in mountain villages. — How wonderful! These books will help with their education and help them to realize their dreams. A. collects B. collected C. will collect D. has collected 四 综合填空 阅读下面短文,根据上下文或括号内单词等提示,在空白处填入适当的单词或括号内单词的正确形式。 Education is very important for everyone. In the past, it 1 (be) very hard for children in my hometown to get a good education. The old school was small and dark, with only a few broken desks and chairs. There 2 (use) to be no modern labs or libraries, and most books were old and worn out. Teachers had to write on a small blackboard, and students 3 (learn) only from textbooks. This 4 (make) it difficult for them to know about the outside world. Now great changes have taken place in our school. The government 5 (build) a new teaching building with bright classrooms and a large playground. It has also set up a high-tech computer room and a new library 6 thousands of new books. A class that used to seem boring now 7 (become) lively and interesting with videos and online lessons. Students can search for information easily 8 talk with teachers at any time. As a result, the lives of local students 9 (improve) a lot. They are much more confident and creative 10 they once were. We are thankful for the better education and will study hard for our future. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 参考答案 一、1. dirt 2. tracks 3. digital 4. wide 5. audio 6. tunnels 二、1. visited 2. has worked 3.haven't seen 4. moved 5. has read 6. played 三、1~5 ABB CD 四、1~5 was; used; learned/learnt; made; has built 6~10 with; becomes/has become; and; have improved; than ( 第 1 页 共 4 页 ) 学科网(北京)股份有限公司 $