Unit 4 语法讲练 2026-2027学年人教版英语七年级上册

该初中英语学习任务单聚焦并列连词and/but/because的核心用法，以“含义-场景-结构”为学习支架，先详解三大连词的基本含义、使用场景及句式注意事项，再通过易混对比表格梳理逻辑关系，构建从理解到应用的完整学习脉络。 资料特色在于专项分层训练体系，涵盖基础填空、句式匹配、短文应用到句型合并与改错，梯度提升语言运用能力。通过对比表格强化逻辑辨析，口语小语段任务促进真实情境表达，有效培养学生的语言能力与思维品质，习题设计贴近学情，助力语法知识的内化与迁移。

Unit 4语法精讲精练 并列连词 and /but/because 一、三大连词核心用法详解 1 连词 and 含义:和、并且,用于并列递进、顺承两个相近 / 同类信息,前后句意同向、无转折。 使用场景: ① 并列科目、物品、人物:I have art and geography today. ② 顺承补充观点:English is important, and my English teacher is really nice. 2 连词 but 含义:但是,表转折,前后内容意思相反、形成对比。 例句:Biology is difficult but important. 历史是我最喜欢的科目,但我姐姐不喜欢。 3 连词 because 含义:因为,用来引出动作、喜好的原因,回答 why 类问题。 结构:主句 + because + 原因句子 例句:I like Chinese because it’s fun. 他不喜欢数学,因为对他来说很枯燥。 填空总结(对应 3a 习题) We use “because” to give a reason.(表原因) We use “and” to give another idea.(补充同类信息) We use “but” to give two different ideas.(对比相反信息) 二、句式结构注意事项 and /but 连接两个完整句子时,前面加逗号: It’s fun, and I love it. It’s hard, but useful. because 引导原因从句,可放主句后,也可放句首(句首时主句前加逗号) I like biology because it’s exciting. Because it’s exciting, I like biology. 易错:but 和 because 不能同时出现在同一个句子里。 3、 易混对比表格 连词 功能 逻辑关系 例句 and 并且、和 顺承、并列(同向) I read and draw. but 但是 转折、对比(反向) It’s hard but fun. because 因为 解释原因 I love art because it’s colourful. 专项分层训练 专项一 3a 基础填空(填 and /but/because) We use “_” to give a reason. We use “_” to give another idea. We use “_” to give two different ideas. 专项二 3b 连线匹配(连词句式组合) I have a bicycle, — I like to learn about IT — She likes to listen to music — He is good at English, — My favourite subject is geography — I don’t like drawing, — A. and he often helps me with my English. B. because I like travelling. C. but I like my art teacher a lot. D. and draw pictures. E. but I often walk to school. F. because it’s fun to learn to use computers. 专项三 3c 短文填空(and /but/because) I love Thursday afternoons _ we have a fun class then. It’s biology class, _ it’s exciting! Miss Baker is the teacher, _ she works hard to make the class interesting. I’m not good at science, _ I like the class very much. We learn about different plants _ animals. Sometimes it’s difficult to remember all the information, _ Miss Baker helps me. She’s my favourite teacher _ she makes everyone in the class feel special. 专项四 单项选择 ( )1. I like geography _ I can know different places. A. and B. but C. because ( )2. PE is tiring _ it makes me strong. A. and B. but C. because ( )3. I have maths _ Chinese every morning. A. and B. but C. because ( )4. He doesn’t like history _ it’s boring. A. and B. but C. because ( )5. English is easy, _ many students still don’t like it. A. and B. but C. because ( )6. I read books _ draw pictures in art class. A. and B. but C. because ( )7. She likes IT _ computers are interesting. A. and B. but C. because ( )8. My desk mate is good at biology, _ he often helps me. A. and B. but C. because 专项五 选词填空(and /but/because) 1. I love music _ it brings me happiness. 2. Maths is hard _ useful for our life. 3. We have music _ art on Wednesday. 4. He walks to school _ he has no bike. 5. The story is short _ very wonderful. 专项六 句型合并(用 and /but/because 合并两句) 1. I like art. It is colourful. 2. History is boring. I still learn it well. 3. I have PE. I also have music on Friday. 4. She loves geography. She likes travelling. 5. He can’t stand maths. It’s too difficult. 专项七 句子改错(划出错误连词并改正) 1. I like English but because it’s interesting. _ 2. PE is hard, and I love it. _ 3. He reads books but draws pictures every day. _ 4. Because art is fun, but I love it. _ 5. I don’t like science because it is difficult, but I still try my best.(无错标注√) 专项八 口语小语段(3d 调查写作) 仿照问题写 5 句话,用上 and /but/because 参考问题: Which is your favourite school day? What subjects do you have that day? What subjects do you like and why? 学科网(北京)股份有限公司 $