Unit 4 语法 课件 2024-2025学年人教版英语七年级上册

hh Unit 4 My Favorite Subject 语法精讲 授课人:Jelly 日期:2024.11 CONTENTS 连词and、but和because的用法 课后作业 ONE 连词and、but和because的用法 语法概述 语法示例 1.I have art and geography today. 我今天上美术课和地理课。 2.English is important, and my English teacher is really nice. 英语很重要,而且我的英语老师真的很好。 3.Biology is difficult but important. 生物很难但很重要。 4.I like Chinese because it’s fun. 我喜欢语文,因为它很有趣。 语法概述 英语中的连词是连接单词、短语或句子的词。 连词主要分为两类:并列连词和从属连词。并列连词可以用来表示顺承关系、递进关系、转折关系、选择关系或因果关系等。本单元主要讲解并列连词and、but和because的用法。 —Are you in Class 5? 你在五班吗? —Yes, I am. 是的,我在。 考向1:and的用法 and意为“ _”,用来连接两个或两个以上的单词、短语或句子,表示并列、递进或顺承关系;连接三个或三个以上的单词、短语或句子时,and一般置于最后的单词、短语或句子之前。 My sister and I study in the same school. 我和我的妹妹在同一所学校上学。(表示_关系) He did the work and did it well. 他做了那项工作,而且做得很好。 (表示_关系) He knocked on the door and went in. 他敲敲门走了进去。 (表示_关系) I really loved studying different time periods, countries and cultures. 我真的很喜欢研究不同的年代、国家和文化。(表示 _关系) 和;又 并列 递进 顺承 并列 —Are you in Class 5? 你在五班吗? —Yes, I am. 是的,我在。 考向1:and的用法 【特别提醒】 (1)当and连接的并列成分作主语时,谓语动词通常用_(单数/复数)形式。 Amy and Daniel _ (be) good students. 埃米和丹尼尔都是好学生。 (2)如果and连接的两个并列连词表示的是同一人、事物或概念,则两个名词共用一个限定词,谓语动词用 _(单数/复数)形式。 The singer and dancer _ (be) going to attend the party. 那位歌唱家兼舞蹈家将参加这次聚会。(表示同一个人) (3)在简单句的否定句中常用并列连词_而不用and。 I don’t like bread _ hamburgers. 我不喜欢面包和汉堡包。 复数 are 单数 is or or —Are you in Class 5? 你在五班吗? —Yes, I am. 是的,我在。 考向2:but的用法 but意为“_”,用来连接单词、短语或句子,表示 _关系,所连接的内容意思往往相反或相对。 The garden is small but beautiful. 这个花园很小但很漂亮。 She is not my cousin but my sister. 她不是我的表妹,而是我的妹妹。 He went to bed, but he could not fall asleep. 他去睡觉了,但睡不着。 但是 转折 —Are you in Class 5? 你在五班吗? —Yes, I am. 是的,我在。 考向3:because的用法 because意为“ _”,用来说明原因或作出解释,语气较强。 (1)用来回答由疑问词_引导的疑问句。 —Why do you like art? 你为什么喜欢美术? —Because it’s fun. 因为它很有趣。 (2)引导原因状语从句,多置于主句之后,有时也可放在主句之前。 We stay at home because it rains. 因为下雨了,所以我们待在家里。 Because I want to be a scientist, I study very hard. 因为我想成为科学家,所以我学习很努力。 因为;由于 why —Are you in Class 5? 你在五班吗? —Yes, I am. 是的,我在。 【拓展延伸】 (1)so意为“_”,常用于连接两个具有因果关系的并列分句。 The girl is very kind, so we all like her. 这个女孩非常友善,所以我们都喜欢她。 (2)在英语中,because(因为)和so(所以)不能同时用在一个句子中。because连接的句子为“前果后因”,so连接的句子为“前因后果”。 Tom is late for school because he gets up late. 因为汤姆起晚了,所以他上学迟到了。 = _. 考向3:because的用法 所以 Tom gets up late, so he is late for school. —Are you in Class 5? 你在五班吗? —Yes, I am. 是的,我在。 【即学即用】阅读下面短文,用and、but、because、so填空。 I live far away from my school, 1._ I have to get up early in the morning. I like maths 2._ English very much. They are difficult 3._ interesting. I don’t like science. I study hard at school 4._ I want to be a teacher in the future. I’m interested in Thai culture. 5._ I love Thai food. I hope to visit Thailand one day. 考向3:because的用法 so and but because and Two 课后作业 课后作业 一、单项选择 ( )1.Mary thinks Chinese is difficult _ useful, _ she wants to learn it well. A. and; so B. but; so C. and; because D. but; because ( )2.Mike _Tim are in the restaurant, _ Milly is not. A. and; and B. but; but C. and; but D. but; and ( )3.I don't eat hamburgers _ I don't think they're healthy. A. because B. but C. so D. after ( )4.My daughter likes to eat dumplings _ noodles. She doesn't like cooking _ swimming. A.and; and B. and; or C. or; or D. or; and ( )5.The teachers in our school are very strict, _ they're nice when we have problems. A.but B. so C. because D. and 课后作业 ( )6.Jack's father can play computer games _ his mother _. A.because; can B. but; can C. because; can't D. but; can't ( )7.He likes watching sports games, _ he _ play them. A.and; doesn't B. but; don't C. but; doesn't D. and; don't ( )8.—Why do you like your science teacher? —_ he's friendly to us. A.So B. But C. Though D. Because ( )9.She wants to be an actor _ it's an interesting _ exciting job. A.and; or B. because; and C. because; or D. but; and ( )10._ I can feed her carrots and I like her long cars, _ I like my rabbit. A.Because; so B. Because; / C. So; because D. So; so 课后作业 ( )11.My cousins and I live in the same city, _ we don't see each other very often because we are too busy. A.so B. and C. but D. or ( )12.Some _ and _ are on sale in the supermarket. A.tomato; egg B. tomatoes; egg C. tomatoes; eggs D. tomato; eggs ( )13.—Hi, Sally! Where are Tom and David? —Tom _ in the classroom _ David isn't. A.is; but B. is; and C. are; but D. are; and ( )14.Linda goes to school early, _ she's never late for school. A.because B. but C. so D. or ( )15.—She can't come to our party today _ she has to go to see her grandparents. —Oh, what a pity! A.because B. but C. so D. and 课后作业 ( )16.I want to call you _ my phone isn't working, so I'm writing to you. A.or B. and C. but D. because ( )17.My book _ my radio are on the sofa, _ my schoolbag is not. A. and; and B. but; but C. but; and D. and; but ( )18. Read the book Cute Pets, _ you will know how to look after your cat. A.or B. so C. and D. but ( )19.Andrew doesn’t eat cakes _ sweets because they are bad for his health. A.or B.but C.and D.also ( )20.I want to play basketball, but I can’t, _ I must go to see my grandparents now. A.so B.because C.and D.or 课后作业 二、按要求完成句子,每空一词 1.I like music and art. (改为否定句) I _ like _ _ _. 2.萨姆很高,但是汤姆很矮。(完成译句) Sam is tall, _ Tom is short. 3.—Why can’t you do it now? —_ I’m too busy. (补全句子) 4.I can’t go to the party because I am very busy on that day. (改为同义句) I am very busy on that day _ I can’t go to the party. 5.He likes music because it's interesting. (对划线部分进行提问) _ _ he _ music? don’t music or art but Because so Why does like 感谢您的观看! Thanks for your watching! 授课人:jelly 日期:2024.11 $$