Unit 4 知识点 Grammar Focus 语法讲义 2026-2027学年人教版英语七年级上册

本讲义聚焦七年级英语上册Unit4核心语法点，系统梳理连词and（并列递进）、but（转折）、because（原因）的用法，通过作用解析、例句示范构建基础认知，再以易混辨析（because与so、but与although不可同用）形成学习支架，帮助学生逐步掌握连词运用逻辑。 该资料突出语言能力与思维品质培养，设计中英短语互译、语境填空等多样化练习提升语言理解与表达，易混点对比分析助力学生形成分析比较能力。课中辅助教师分层教学，课后参考答案便于学生自查自纠，有效查漏补缺，强化学习效果。

七年级英语上册Unit4知识点-Grammar Focus语法讲义 【要点】 1. 连词的作用 连词用来连接单词、短语或句子。本课重点学习三个连词:and, but, because。 2. and —— 表示“并列、递进” - 用来连接同类事物或表示“补充另一个信息”。 - 例句: - I have art and geography today. - English is important, and my English teacher is really nice. - 用法:表示“而且”“和”。 3. but —— 表示“转折” - 用来连接两个意思相反或对比的信息。 - 例句: - Biology is difficult but important. - History is my favourite subject, but my sister doesn’t like it. - 用法:表示“但是”。 4. because —— 表示“原因” - 用来引出理由或原因,回答“为什么”的问题。 - 例句: - I like Chinese because it’s fun. - He doesn’t like maths because it’s boring to him. - 用法:表示“因为”。 【易混辨析】 - because 和 so 不能同时出现在一个句子中(中文“因为……所以……”在英语里只用一个)。 Because he was tired, so he went to bed. Because he was tired, he went to bed. 或 He was tired, so he went to bed. - but 和 although 也不能同时使用。 Although he is young, but he knows a lot. Although he is young, he knows a lot. 或 He is young, but he knows a lot. 【高频短语汇总】(中英互译) 1 学科网(北京)股份有限公司 1. learn about the past _ 2. be good with numbers _ 3. _ 听音乐 4. _ 擅长英语 5. _ 喜欢旅行 6. _ 绘画 7. _ 努力学习使课堂有趣 8. _ 记住所有信息 9. _ 使每个人感到特别 10. _ 和……一样 【综合练习】 一、读句子,用 and, but, because 完成下列陈述 1. We use “_” to give a reason. 2. We use “_” to give another idea. 3. We use “_” to give two different ideas. 二、用 and, but, because 完成短文 I love Thursday afternoons (1) _ we have a fun class then. It’s biology class, (2) _ it’s exciting! Miss Baker is the teacher, (3) _ she works hard to make the class interesting. I’m not good at science, (4) _ I like the class very much. We learn about different plants (5) _ animals. Sometimes it’s difficult to remember all the information, (6) _ Miss Baker helps me. She’s my favourite teacher (7) _ she makes everyone in the class feel special. 三、用 and, but, because 连接句子(补充练习) 1. I like English. It is useful. I like English _ it is useful. 2. He is good at maths. He is not good at Chinese. He is good at maths, _ he is not good at Chinese. 3. She has a bike. She walks to school. She has a bike, _ she walks to school. 4. We study history. We study geography. We study history _ geography. 5. I like art. My sister likes art too. I like art, _ my sister likes it too. 6. He didn’t go to school. He was ill. He didn’t go to school _ he was ill. 【参考答案】 一、 1. because 2. and 3. but 二、 (1) because (2) and (3) and (4) but (5) and (6) but (7) because 三、 1. because 2. but 3. but 4. and 5. and 6. because $