Unit 4 My Favorite Subjectl 单元语法：连词 and, but 和 because 的用法（精讲课件）-2024-2025学年七年级英语上册单元语法精讲精练（人教版2024）

人教版初中英语 语法专项 七年级上册 Unit 4 My Favorite Subject 1 人教版7上（单元） 语法点 Unit 1 You and Me *be 动词的用法 * 人称代词 * 物主代词 Unit 2 We’re Family *主谓一致 *‘S型所有格 Unit 3 My School *方位介词及短语 *there be 句型 Unit 4 My Favorite Subject *连词 and, but 和 because 的用法 Unit 5 Fun Clubs *情态动词 can *play+乐器/球类/棋牌 Unit 6 A Day in the Life *时间表达法 * 问时间 *频率副词 Unit 7 Happy Birthday *基数词和序数词 *日期的表达 * 疑问副词 2 CONTENTS 02 03 01 从属连词because 并列关系连词and 转折关系连词but 3 什么是连词？ 连词是一种虚词, 不能独立承担句子成分,它只起连接词与词、短语与短语以及句子与句子的作用。常见的连词有and, but, because等。 4 and 并列关系 和，又，及 5 and可用来…… 连接句子 连接短语 连接单词 表示对等 顺承关系 1. She and I are both very brave. 她和我都很勇敢。 2. We are reading and they are writing. 我们在读书,他们在写字。 3. They study Chinese, maths, English and other subjects. 他们学习语文、数学、英语和其他课程。 代词+and+代词 句子 + and + 句子 名词 + 名词+ 名词+ and + 短语 and用来构成 “祈使句+ and+简单句”结构 使前句具有条件的含义 Run faster and you will catch up with your classmates. = If you run faster, you will catch up with your classmates. 只要你再跑快点儿，你就能赶上你们同班同学。 Be careful and you will pass the examination. = If you are careful, you will make fewer mistakes. 认真一点儿，你就会通过考试的。 祈使句 祈使句 but 转折关系 但是，可是 10 but可用来…… 连接句子 连接短语 连接单词 表示但是 然而可是 He is old, but very healthy. 他虽岁数大了，但身体很健康。 The man was very poor, but he is rich in mind. 他虽然很穷，但是他精神富足。 My father likes to read, but my mother doesn’t like it. 我爸爸喜欢读书，但是我妈妈不喜欢。 注意：but不能与 although/ though连用。 连接两个作表语的形容词 连接两个分句 连接两个分句 He tried, but he failed.他努力了，但失败了。　 It's expensive, but it's worth it.它很贵，但是很值得。 She likes tea, but she doesn't like coffee. 她喜欢茶，但不喜欢咖啡。 His brother won't attend the party, but his sister might. 他的哥哥不会参加会议，但他的妹妹可能会。 He is not a doctor, but a teacher. 他不是医生，而是老师。 跟我读一读 13 because 引导原因 状语从句，因为 14 通常用来回答 why提出的问题。 Why can't you do it now? 你为什么不现在就做呢? Because I'm too busy. 因为我太忙。 because 表示的是必然的因果关系，语气最强，通常放在主句之后，若需强调则放在主句之前… 可引导从句作表语。 Why can he be NO.1 你为什么能得第一? It is because he is clever. 那是因为他太聪明了。 课本练一练 because and but 18 课本练一练 19 课本练一练 because and and and and but because 20 拓展练一练 用because, but或and填空。 1．My sister likes music, she doesn’t like art. 2．I don’t like history, it’s boring. 3．He is late for school this morning he gets up too late. 4．My sister likes art I like it, too. 5．Math is difficult, she likes it very much. but because because and but 6．between 7．in front of 8．across from 9．next to 10．behind 21 拓展练一练 1．This is Betty ___ she is my friend, ___ she is not in my class. A．and ; and B．but ; and C．and ; but D．but ; but 2．I want to go to Yunbe Park ____ there are many beautiful flowers there. A．or B．but C．because D．so 3．I want to buy something special for my mother, ___ her birthday is coming. A．so B．although C．because D．but 4．I’m afraid I can’t go with you ___ I have to look after my sick sister at home. A．and B．but C．so D．because C C C D 22 拓展练一练 5．It’s hard for us to say goodbye _____ we have so many happy days to remember. A．so        B．because      C．although        D．until 6．I like green a lot ____ it makes me happy. A．Because B．so C．but D．or 7．Mary is twelve years old ____ she’s a student. A．but B．and C．or D．so 8．Take exercise every day, ____ you’ll become stronger and healthier. A．or B．and C．but D．while B A B B 23 THE END 24 $$