Unit 8 Section A(Grammar Focus-3c)课件 2025-2026学年人教版（2024）八年级英语上册

Unit 8 Let’s Communicate! Section A Grammar Focus-3c running late for a flight meeting a friend who didn't arrive on time preparing for an exam but not bringing all the materials Free Talk If you want to solve the problem, a face-to-face talk usually works the best. Texting can make things worse if you're not careful with your words. If the rehearsal ends at 7:00 p.m., I'll pick you up at 7:15 p.m. If you stay calm and say sorry, it will help. If I go there, I will try all the delicious local food. 连词if "如果，假如"，它引导的句子表示某事发生所需的条件，从句是主句动作发生的前提或条件 定义 3a. Read the sentences. Find more sentences with if-clauses in Section A. 闯关 第一关 第三关 第四关 第二关 第六关 战斗力：0 帮助哪吒通关 If it snows , we will make snowmen . We will make snowmen if it snows. 如何划分主从句? 找 if, 划从句，if后面是从句，if可放主句前，也可放其后。 tips 从句 从句 第一关 第三关 第四关 第二关 第六关 战斗力：0 帮助哪吒通关 判断主从句 1. If you miss the train I'm on, you will know that I am gone. 2. You will succeed if you work hard. 3. If she doesn't finish her homework, she can't watch TV. 4. Don't forget to lock the door if you go out. 从句 从句 从句 从句 找出下列句子的主从句 第一关 第一关 第三关 第四关 第二关 第六关 第五关 战斗力：0 帮助哪吒通关 主句 ，从句一般现在时 结构1：主 将 从现 主句 主句 从句 从句 主从句的构成有什么特点？ If you are sad, I will be here. If you feel lost, I will hold your hand. 一般将来时 第一关 第三关 第四关 第二关 第六关 第五关 帮助哪吒通关 go swimming go to the zoo fly kites If it’s sunny in summer, they will 第二关 第一关 第三关 第四关 第二关 第六关 第五关 战斗力：0 帮助哪吒通关 If you help me, I can finish it on time. If you get up late, you must hurry up. 主句有 ，从句一般现在时 结构2：主情从现 主从句的构成有什么特点？ 情态动词 主句 主句 情态动词 闯关 第一关 第三关 第四关 第二关 第六关 战斗力：0 帮助哪吒通关 practice 1 1. If you up late, you can take a taxi. A. get B. got C. getting D. gets 2. If he to pass the exam, he must be careful. A. want B. wants C. will want D. wanted 3. She should see a doctor if she a cold. A. had B. has C. have D. will have 第三关 第一关 第三关 第四关 第二关 第六关 战斗力：0 帮助哪吒通关 If you go to London, visit the Science Museum. If you want to be a writer, read more books. 主句 ,从句一般现在时 结构3：主 祈 从现 主句 主句 从句 从句 主从句的构成有什么特点？ 祈使句（V.原） 第一关 第三关 第四关 第二关 第六关 战斗力：0 帮助哪吒通关 1. ______ hard if you want to pass the exam, A. Work B. To work C. Working D. Worked 2. If he ____ back, tell me. A. comes  B. will come  C. come   D. may come 3. If you _____ Beijing tomorrow, call me. A. will reach B. reached C. reach D. is reaching practice 2 第四关 第一关 第三关 第四关 第二关 第六关 第五关 战斗力：0 帮助哪吒通关 1. If we have a face-to-face meeting, 2. If I have good news, 3. If you need to leave, 4. If you can finish your work early today, 5. If the old man has difficulties in hearing, 6. If you can't reach her by phone, 3b. Match the two parts to make sentences. A. try texting. B. we'll understand each other better. C. you can write things down for him. D. I'll call you right away. E. I'll call a taxi for you. F. will you join me for dinner? go will see drop will give start will perform Give let think 3c. Fill inthe blanks with the correct forms of the verbs in brackets. Then discuss what the situations are and whom the information is for. 1.You can feel better ________ you take a walk in the park just for 20 minutes. A．if B．before C．until D. so 2.—Betty, you will miss the school bus ________ you don’t get up early tomorrow morning. —I won’t, Dad. A．so that B．if C．though D. because A B Exercise 一、单项选择。 3. — Lily, ________ you are free after school, let’s go to the shop and buy a gift for Father. —OK, Lucy. Tomorrow is Father’s birthday. I almost forgot it. A．until B．if C．unless D. although 4.—Lucy, the Dragon Boat Festival is coming. I want to learn how to make zongzi. —OK. If my grandma ________ free tomorrow, she will teach us. A．is B．are C．am D．will be 5.There ________ a volleyball game next Saturday. If it ________ we’ll have to put it off. A．is going to be; rains B．is going to be; will rain C．is going to have; will rain D．is going to have; rains B A A Eye contact means looking into other _______ (people) eyes. This is a very important part of body language. It can be the key to communication. Eye contact can ______ (show) feelings such as friendliness, interest and understanding. In Western ________ (country), using eye contact in conversations __ (be) very important. If you do not use eye contact, Westerners may think that you are not listening. And if you look away, they may also think that you are lying. _____ in many Asian countries, looking down when talking ____ an older person, like a teacher or a parent, is polite. people's show countries is But to 二、语法填空。 _______ (this) differences can cause (造成) problems. For example, _____ Asian person might look down while listening to a Western speaker. The Western speaker might think this person is not interested in he or she is saying. Not using eye contact can cause problems, but using too _____ (many) is not polite either. In many countries, _________ (watch) other people, especially strangers, for a long time is impolite. This may make them feel nervous. These an much watching BOSS关 第一关 第三关 第四关 第二关 第六关 第五关 战斗力：0 帮助哪吒通关 If fate is unfair, fight it to the end. 若命运不公，就和它斗到底。 2.If there is no way, I’ll make a way. 若前方无路，我就踏出一条路。 If you are brave like Nezha, you will succeed! Homework 必做： 1.Recite the three basic structures of if-clauses , and write from memory the definitions and example sentences for each structure. 2.Provide 5 simple sentences and ask students to rewrite them using if-clauses, paying attention to the tense consistency between the main clause and the subordinate clause.Example: Original sentence: Study hard. You will pass the exam. Rewritten: If you study hard, you will pass the exam. 选做： Collect if-clauses from daily life (such as advertisements, movie lines, books, etc.), with at least 5 examples. Analyze the logical relationships they express and their functions, and organize them into a document. 8352.0 $$