Unit2知识点-Understanding ideas-Grammar练习2025-2026学年外研版八年级英语上册

**基本信息** 本练习以八年级英语Unit 2现在完成时中for/since用法为核心，通过“小试牛刀-配套练习-拓展思考”三层递进设计，实现从基础应用到语篇输出的知识巩固，适配新授课分层教学需求，提升语言运用与思维辨析能力。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |小试牛刀|for/since基础搭配与句型转换|选词填空（A）、一般疑问句转换（B），聚焦单一知识点直接应用| |配套练习|for/since辨析及现在完成时结构|单项选择（★）强化介词辨析，完成句子（★★）提升语境运用，动词填空巩固时态形式| |拓展思考|现在完成时语篇综合表达|撰写含for/since的段落，融合语法与意义建构，培养语言输出能力|

八年级英语上册Unit2知识点-Understanding ideas-Grammar练习 小试牛刀 A. 选用方框中的词或短语填空 | for | since | for the past | has been away | haven't seen | 1. The Giant __________ for a long time. When he comes back, he is angry. 2. __________ he built the high wall, he __________ a child in his garden. 3. Jimmy Teng has sold ice creams __________ 17 years. 4. He has given away free ice creams __________ his 70th birthday. B. 句型转换（改为一般疑问句并作肯定或否定回答） 1. The Giant has been away for a long time. 一般疑问句：_________________________________________________ 肯定回答：_________________ 否定回答：_________________ 2. We have been friends since Grade 3. 一般疑问句：_________________________________________________ 肯定回答：_________________ 否定回答：_________________ 3. Uncle Jimmy has made many friends online since then. 一般疑问句：_________________________________________________ 肯定回答：_________________ 否定回答：_________________ 配套练习 A. 单项选择（★） 从A、B、C、D中选择最佳答案。 1. We have been friends ______ Grade 3. A. for B. since C. in D. on 2. They have been together ______ three years. A. for B. since C. after D. before 3. ______ last year, we’ve shared a lot of happy moments. A. For B. Since C. In D. At 4. He has worked here ______ he left school. A. for B. since C. after D. before 5. I haven't seen him ______ a long time. A. for B. since C. from D. in B. 完成句子（★★） 用 for 或 since 填空。 1. The Giant has been away __________ a long time. 2. __________ then, he hasn’t seen a child in his garden. 3. Jimmy Teng has sold ice creams __________ the past 17 years. 4. He has done this __________ his 70th birthday. 5. Sharing has made him feel happy __________ the past four years. C. 用括号内动词的正确形式填空（现在完成时） 1. He __________ (offer) free ice creams on his birthday every year. 2. People __________ (be) quite stressed recently. 3. Many of them __________ (become) his friends since they first met. 4. He __________ (make) many friends online since then. 拓展思考 写一段话（至少5句）介绍自己或他人从过去一直持续到现在的一件事（例如：学习一项技能、保持一个习惯、住在一个地方等）。使用 for 和 since 各至少一次，并注意使用现在完成时。例如：I have learned English for three years. I have played the piano since I was six. _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ 参考答案与解析 小试牛刀 A 1. has been away 2. Since; haven't seen 3. for 4. since 小试牛刀 B 1. Has the Giant been away for a long time? Yes, he has. / No, he hasn’t. 2. Have we been friends since Grade 3? Yes, we have. / No, we haven't. 3. Has Uncle Jimmy made many friends online since then? Yes, he has. / No, he hasn’t. 配套练习 A 1. B 2. A 3. B 4. B 5. A 配套练习 B 1. for 2. Since 3. for 4. since 5. for 配套练习 C 1. offers 2. have been 3. have become 4. has made 拓展思考（示例） I have played the guitar for two years. I started learning it since I was twelve. My teacher has taught me a lot since then. I have practised almost every day for the past two years. Music has made me feel happy and relaxed. I hope I can keep playing forever. That's my promise. Yes, I will. Thank you. I’m proud of myself. I will never give up. Music is my passion. It has changed my life. That's why I love it. Thank you. Goodbye. 1 学科网（北京）股份有限公司 $