Unit 4 Section A Grammar Focus3a-3d 课件2024-2025学年人教版英语七年级上册

Unit 4 My Favourite Subject Section A Why do you like this subject? (3a—3d) 掌握连词and、but和because的用法并 能在语境中正确使用它们。 Learning aims 2 Grammar Focus Read the sentences and circle the conjunctions. 3a I have art and geography today. English is important, and my English teacher is really nice. and意为“和；又”，表示并列。 用来连接两个相同的句子成分，这两个句子成分可以是单词、短语或分句 【注意】当and连接两个分句时，如果第二分句的主语与第一个分句的主语相同，则第二个分句中的主语可以省略。 He often listens to music and watches TV on the weekend. 周末他经常听音乐跟看电视。 The girl has long hair and two big eyes. 这个女孩有着长头发和两只大眼睛。 My mother is a doctor and my father is a teacher. 我母亲是位医生，我父亲是位老师。 She has breakfast and goes to school. 她吃过早餐就上学去了。 Work hard and you'll get good grades. 努力学习，你就会取得好成绩。 连接名词短语，表并列关系 连接句子，表并列关系 连接动词短语，表顺承关系 连接句子，表条件和结果关系 5 Biology is difficult but important. History is my favourite subject, but my sister doesn’t like it. but意为“但是”，连接词汇或句子，表示转折的逻辑关系，用来连接两个相同的句子成分，表示语义上的转折。 My school is small but nice. 我学校很小但是很漂亮。 连接单词 My class teacher is strict, but he is good to us.. 我们班主任很严格，但是他对我们很好。 连接句子 I like Chinese because it’s fun. He doesn’t like maths because it’s boring to him. because意为“因为；由于”，用来说明原因或做出解释。 常用来回答由why提出的问题。 because引导的原因状语从句可在主句前也可在主句后，在主句前时，要用逗号与主句隔开。 Because he is ill, he can't go to school today. =He can't go to school today because he is ill. because后接句子，because of后接名词。 【注意】because与so不能同时使用 单项选项 1. He likes sunny days he doesn’t like summer. A. and B. but C. or D. because 2. Emma Ella are his good friends. A. and B. but C. or D. because 3. She likes maths she is good with numbers. A. and B. but C. or D. because 3a Now complete the statements with and, but or because. We use “ ” to give a reason. We use “ ” to give another idea. We use “ ” to give two different ideas. because and but 3b Match the two parts to make sentences. Grammar Focus 1. I have a bicycle, 2. I like to learn about it 3. She likes to listen to music 4. He is good at English, 5. My favourite subject is geography 6. 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. 听音乐 擅长 了解 旅行 很 走去 learn to do 学习做 3c Complete the passage with and, but or because. I love Thursday afternoon _______ 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. because and and but and but because 努力工作 ...是困难的 “It's+adj.+to do sth.” 句型的用法 “It's+adj.+to do sth.”意为“做某事是……的。” it作形式主语，真正的主语是后面的动词不定式（短语）。因动词不定式（短语）作主语较长，而谓语部分相对较短，用it代替后就避免了“头重脚轻”的现象。 ( )1. ________ is dangerous for us to swim in the river alone. A. It B. That C. This ( )2. It's important ________ a rest when you feel very tired. A. have B. having C. to have A C remember的用法 remember /rɪˈmembə(r)/ v.记住；记起。反义词为forget“忘记”。 remember to do sth. 记得做过某事(事情已经做过) remember doing sth. 记得去做某事(事情还没做) I remember doing my homework, but I forget to bring it to school.我记得我作业写了，但是我忘记把它带到学校。 Please remember to call your mother after school. 放学后请记得给你妈妈打电话。 3d Do a survey and make notes. Grammar Focus Which is your favourite school day? What subjects do you have that day? What subjects on that day do you like and why? Who likes the same subjects as you and why? prep.如同 as的用法： ① 作介词，“如同；作为”，其后可以接表示职业、用途等的名词。用在句首时，常用逗号与句子的主体隔开。 My sister Jenny works as a teacher at school.prep. 作为 ② “当……时”，用于引导时间状语从句。 We sing as we go home. conj. 当……时 ③ “由于”，用于引导原因状语从句。　 She may need some help as she’s new.  conj. 由于 ④ as + adj + as 和...一样 I am as tall as you.我和你一样高。 ⑤ the same... as 意为“和……一样” My shirt is the same colour as yours. prep. 如同　 感谢观看 $$