Unit2知识点Understanding ideas练习2025-2026学年外研版八年级英语下册

八年级英语下册Unit2知识点-Understanding ideas练习 小试牛刀 A. 从故事中找出下列动词的过去式，并写出原形 过去式（从文中找） 动词原形 was __________ read __________ ran __________ promised __________ interrupted __________ realised __________ had to __________ noticed __________ was wearing __________ looked __________ asked __________ said __________ checked __________ gave __________ took __________ waited __________ was taken __________ came __________ was __________ thought __________ B. 用括号内情态动词的正确形式填空（could, had to, should） 1. On my way back, I realised that I __________ (had to) go back to get my phone. 2. I __________ (could not) call her family without my phone. 3. You __________ (should) never make your parents worried. 4. I __________ (had to) take her to the nearest police station. 5. Why __________ (could) you not phone me from the police station? C. 用 and, but, so, because 填空 1. I promised to be back before 9, __________ I was late. 2. I was heading back at 8:30, __________ I had to go back for my phone. 3. She couldn’t tell me her address, __________ I took her to the police station. 4. I gave her my jacket __________ took her to the police station. 5. I didn’t think of calling you, __________ I’m sorry. 配套练习 A. 单项选择（★） 从A、B、C、D中选择最佳答案。 1. “The son ran through the door.” 中的 “ran” 是： A. 动词原形 B. 过去式 C. 现在分词 D. 第三人称单数 2. 下列哪个动词的过去式是不规则变化？ A. promised B. interrupted C. realised D. gave 3. “I had to go back to get my phone.” 中的 “had to” 表示： A. 想要 B. 不得不 C. 可能 D. 愿意 4. “You should always keep your promises.” 中的 “should” 表示： A. 命令 B. 建议/义务 C. 能力 D. 可能 5. 下列连词中，表示“结果”的是： A. because B. but C. so D. and B. 完成句子（★★） 根据中文提示和短文内容，用正确的动词过去式、情态动词或连词完成句子。 1. 我答应9点前回来。 I __________ to be back before 9. 2. 我意识到我的手机落在了贾成家。 I __________ that my phone was at Jiacheng’s house. 3. 我不得不回去拿手机。 I __________ __________ go back to get my phone. 4. 没有手机，我无法联系她的家人。 I __________ call her family without my phone. 5. 我把我的夹克给了她，并且带她去了最近的警察局。 I __________ her my jacket __________ took her to the nearest police station. C. 补全对话（★★★） 根据短文内容和语法知识，从方框中选择合适的句子完成对话。 A. I had to go back to get my phone. B. I promised to be back before 9. C. I took her to the police station. D. I’m sorry for being cross with you. Mum: Look at the time! Do you remember your promise? Son: Yes. (1) __________ But I was late. Mum: Why? Son: On my way back, I realised my phone was at a friend’s house. (2) __________ Mum: Then why did it take so long? Son: I saw an old woman who was lost. (3) __________ Mum: I understand now. (4) __________ I’m proud of you. D. 拓展思考（★★★） 请根据要求完成以下任务。 Part 1（一般过去时） 用一般过去时写三句话，描述你曾经帮助别人的一次经历。 1. ____________________________________________________________ 2. ____________________________________________________________ 3. ____________________________________________________________ Part 2（情态动词） 用 had to 和 should 各写一个句子，描述家庭规则或义务。 4. (had to) ____________________________________________________ 5. (should) ____________________________________________________ Part 3（综合） 写一段话（至少4句）讲述一次你晚回家的经历。你为什么晚了？你做了什么？父母是什么反应？使用一般过去时、至少一个情态动词和一个连词。 ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ 参考答案与解析 小试牛刀 A 过去式 动词原形 was be read read ran run promised promise interrupted interrupt realised realise had to have to noticed notice was wearing wear looked look asked ask said say checked check gave give took take waited wait was taken take came come was be thought think 小试牛刀 B 1. had to 2. could not / couldn’t 3. should 4. had to 5. could 小试牛刀 C 1. but 2. so / and 3. so 4. and 5. so / and 配套练习 A 1. B 2. D 3. B 4. B 5. C 配套练习 B 1. promised 2. realised 3. had to 4. couldn’t 5. gave, and 配套练习 C 1. B 2. A 3. C 4. D 配套练习 D（参考示例） 1. Last week, I saw a lost child in the supermarket. 2. I asked him his name and took him to the service desk. 3. The staff called his parents, and they came to pick him up. 4. I had to finish my homework before dinner. 5. You should always tell the truth. 6. One day, I came home late because I helped an old woman carry her bags. I had to walk slowly with her. My mum was worried at first, but when I told her what happened, she smiled and said, “I’m proud of you.” 1 学科网（北京）股份有限公司 $