Unit 1-4单元 期中复习课件 2025-2026学年人教版英语八年级下册

复习课件 Units 1-4 Mid-term review 期中复习 英语人教版八年级下册 Lead in 13. 邮票 ________ 14. 沮丧的 ________ 15.骄傲的________ 16. 处理________ 17. 力量________ 18. 奇迹________ Write down the words according to Chinese. 1. 咳嗽 ________ 2. 减少________ 3. 成就 ________ 4. 疼痛 ________ 5. 失败 ________ 6. 决定 ________ 7. 霸凌 ________ 8.环境 ________ 9.帮助 ________ 10.硬币________ 11.压力________ 12.物体________ cough stamp achievement upset failure decision bully environment aid coin pressure object pain proud deal strength wonder reduce Lead in 1. My parents are p________ of me because I won the first prize in the English competition. 2. To protect the earth, we should r________ the use of chopsticks as much as possible. 3. The scientist’s great a__________ in medicine helped many sick people. 4. T________ students often face the problem of balancing study and hobbies. Complete the sentences with the right words or phrases from U1-4. educe eenage roud chievement Lead in 5. Don’t give up easily because f________ is the mother of success. 6. Our math teacher is s________ with us, but we all know she cares about us. 7. After thinking for a long time, she finally made a difficult d________. 8. We must take action to make the natural e__________ better and better. Complete the sentences with the right words or phrases from U1-4. trict ailure nvironment ecision 语法梳理 Unit 3 Unit 2 Unit 1 情态动词should、could表示建议的用法； 反身代词的用法； 动词不定式的功能与用法； although、until、if、so that引导状语从句的用法； Unit 4 形容词的比较级与最高级的用法； 数字的英文表达法。 语法突破 动词不定式的基本形式是to + ________，常用来作目的状语，表示目的。不定式可放在句末或句首，放句首时需用______隔开。 不定式to do可换成in order to do（可句首/句末）、so as to do（仅可放句末），三者表达的目的含义完全一致。 动词不定式的否定形式：直接在______前加not。 1．Infinitive of verbs (动词不定式) 动词原形 逗号 to 语法突破 根据句意完成英语句子： (1) She studies hard ______ (get) good grades.（她努力学习，为了取得好成绩） (2) I practise English every day __________ (improve) my speaking.（我每天练英语，为了提高口语） (3)________ (catch) the early bus, he gets up at 6 o’clock every morning.（为了赶上早班车，他每天早上6点起床） 1．Infinitive of verbs (动词不定式) to get to improve To catch 语法突破 动词不定式在感官动词和使役动词后省to的情况： 常见感官动词：see、watch、hear、notice、feel等，后接宾语+________，表看到/听到/感觉到动作的全过程；若表动作正在进行，则接宾语+doing。 例句填空: 1. I saw him ______ (run) on the playground just now.（看到全程） 2. She heard someone _________ in the next room when she passed by.（听到正在唱） 1．Infinitive of verbs (动词不定式) 动词原形 run singing 语法突破 常见使役动词：make、let、have，后接宾语+__________，变被动语态时，需补回____。 试着完成以下句子： 1. The teacher made us ______ (clean) the classroom. 2. He was made _________ (finish) his homework first. 3. My mom helps me ______ (learn) English every day. 1．Infinitive of verbs (动词不定式) 动词原形 to clean to finish learn 语法突破 should和could都可以用来表建议，后面都接________。should意为“______”，语气直接、中肯，否定式为________，一般疑问句把______提前。 could表建议，意为_______，语气比should更委婉、客气，否定式为________，could表建议时，可以使用OK, I will./Good idea.等进行回答。 2．情态动词should和could表建议的用法 应该 动词原形 shouldn’t should 可以 couldn’t 语法突破 例句： 1. You should eat more vegetables. They are good for you. 2. Should we go to the cinema this weekend? 3. You should not play computer games too much. 4. We could take a bus to the park. It’s far from here. 5. —You could ask the teacher for help. —Good idea. 2．情态动词should和could表建议的用法 语法突破 反身代词表示某人自己，常见反身代词有：myself、yourself、himself、herself、itself、ourselves、yourselves、themselves 反身代词必须与表示同一人或者同一事物的名词、代词等搭配使用，不能够单独使用。固定搭配：by oneself（_______）、enjoy oneself（_________）、help oneself to（_________________）、teach oneself/learn from oneself（_________）等。 3． Reflexive pronouns(反身代词) 独自 玩得开心 随便吃（喝）点…… 自学 语法突破 例句填空： 1. She taught ______ (she) English last year. 2. I cleaned the room ________(I) . 3. He went to the park by ______ (he). 4. Help ___________ (you) to some fruit, kids. 5. We enjoyed ________ (we) at the party yesterday. 3． Reflexive pronouns(反身代词) herself myself himself ourselves yourselves 语法突破 although（虽然/尽管）引导______状语从句，不能和______连用。 从句可放句首（用逗号隔开），也可放句末。 until（直到……为止）引导______状语从句。在肯定句中，主句用___________，表“动作持续到until从句的时间”； 否定句（not…until）：主句可以用延续性动词或者短暂性动词，表“动作直到until从句的时间才发生”。 4．although/until/if/so that引导状语从句的用法 让步 but 时间 延续性动词 语法突破 if（如果）引导______状语从句遵循“_________”原则：主句用 一般将来时/情态动词/祈使句，从句用_________时。 so that（为了/以便）引导______状语从句，从句常使用 can/ could/ may/ might/ will/ would + 动词原形 要注意与so…that（______________）区分，so后接形容词/副词的原形，that引导结果状语从句。 4．although/until/if/so that引导状语从句的用法 条件 主将从现 一般现在 目的 如此……以至于 语法突破 例句填空： 1. ________ it rained hard, we still went to school. 2. I will wait for you ______ you come back. 3. She _________ (not go) to bed until her mom came back. 4. If it ______ (rain) tomorrow, we will stay at home. 5. She studies hard ______ she can get good grades. 4．although/until/if/so that引导状语从句的用法 Although until didn’t go rains so that 语法突破 要想正确地用英文表达数字，核心是掌握_____位分节法和千、百万、十亿三个核心单位。 核心基础单位： thousand千（1,000） million百万（1,000,000）billion十亿（1,000,000,000） 这三个词前面加具体数字时，永远用____数，比如5 thousand（5千）。 5．Numbers (数字) 三 单 语法突破 核心规则：三位分节法： 百位数的基础读法：数字 + hundred + and + 十位/个位，比如： 356 = three hundred (and) fifty-six，108 = one hundred and eight。 英文里没有“万、十万、千万、亿”这些计数单位，所有大数字都按“每三位分一节” 来读，从右往左数，每三位画一个逗号，依次对应千（thousand）、百万（million）、十亿（billion）。 5．Numbers(数字) 语法突破 分节口诀： 从右数，三位一节，一节一个单位，节内按百位数读法，节间加单位。例如： 5,234 → five thousand two hundred (and) thirty-four 89,017 → eighty-nine thousand and seventeen 2,345,678 → two million three hundred (and) forty-five thousand six hundred (and) seventy-eight 10,008,009 → ten million eight thousand and nine 5．Numbers (数字) 语法突破 句型1：A + be动词/实义动词 + 比较级 + than + B 表示“A比B更……”。 Tom is taller than Mike. （汤姆比迈克高。） She runs faster than her brother. （她比她哥哥跑得快。） 句型2：Which/Who + be动词/实义动词 + 比较级，A or B? “A和B，哪个/谁更……？” Which is cheaper, the pen or the pencil? （钢笔和铅笔，哪个更便宜？） Who sings better, Lily or Lucy? （莉莉和露西，谁唱得更好？） 6．Comparative and superlative(比较级和最高级) 语法突破 句型3：A + be动词 + 比较级 + than + any other + 单数名词 表示“A比同一范围内的其他任何一个都……”，隐含最高级含义。 Shanghai is bigger than any other city in China. （上海比中国其他任何城市都大。） 句型4：比较级 + and + 比较级，表示“越来越……” The weather is getting colder and colder. （天气变得越来越冷了。） He studies harder and harder. （他学习越来越努力了。） 6．Comparative and superlative (比较级和最高级) 语法突破 句型5：the + 比较级，the + 比较级，表示“越……，就越……” The more you practice, the better you will speak English. （你练习得越多，英语说得就越好。） 句型6：A + be动词/实义动词 + the + 最高级 + (in/of/among + 比较范围) 说明：表示“A在……范围内是最……的”，形容词最高级前必须加the，比较范围常用in（后接地点/集体）、of（后接人物/事物）。 This is the most interesting book in the bookstore. （这是这家书店里最有趣的书。） 6．Comparative and superlative (比较级和最高级) 语法突破 句型7：Which/Who + be动词/实义动词 + the + 最高级, A, B or C? 用于三者及以上的选择疑问，“A、B、C中，哪个/谁最……？” Which season is the best, spring, summer or winter? （春、夏、冬，哪个季节最好？） 句型8：one of + the + 最高级 + 复数名词 表示“最……的……之一” Beijing is one of the biggest cities in the world. （北京是世界上最大的城市之一。） 6．Comparative and superlative (比较级和最高级) 语法突破 句型9： the + 序数词+ 最高级 + 名词 说明：表示“第几……的……” The Yellow River is the second longest river in China. （黄河是中国的第二长河。） This is the third tallest building in our city. （这是我们城市里第三高的建筑。） 6. Comparative and superlative (比较级和最高级) 语法专练 一、用所给动词的适当形式填空 1. It’s important ________ (learn) English well for us students. 2. You could ________(visit) that old man at 9:00 in the morning. 3. The little boy gets some money _________(buy) a toy car as his brother’s birthday gift. 4. We saw the girl _______(sing) a song in the park yesterday. 5. I heard someone _______(knock) at the door just now. to learn visit to buy sing knock 二、翻译句子 1. 他昨天独自完成了这项工作。 2. 露西太小了，还不能照顾自己。 3. 虽然他很累，但他还是继续工作。 4. 如果明天不下雨，我们就去野餐。 语法专练 He finished the work ______ ______ yesterday. Lucy is too young ______ _____ _____ _____. _______ he was very tired, he still ______ _______. If it ______ ______tomorrow, we ______ ______for a picnic. by himself to look after herself Although kept working doesn’t rain will go 语法专练 5. 他打开门让他的猫可以进来。 6. 这本书比那本书更有教育意义。 7. 黄河是中国第二长的河流。 8. 你锻炼得越多，身体就越健康。 He opened the door______ ______ his cat could come in. This book is _________ __________ ________ that one. The Yellow River is ______ _______ _______river in China. ______ ______ you exercise, ______ ______ you will be tomorrow. so that more educational than the second longest The more the healthier 语法专练 三、用 although / until / if / so that 填空 1. I will take a walk after dinner ______ the weather is fine tomorrow. 2. She stayed in the library ______ it got dark, finishing her research paper. 3. ________ he is young, he has read hundreds of classic books already. 4. They study hard every day ______ they can pass the final exam successfully. if until Although so that Summary 要点回顾 （1）Infinitive of verbs (动词不定式) （2）情态动词should和could表建议的用法 （3）Reflexive pronouns (反身代词) （4）although/until/if/so that引导状语从句的用法 （5）Numbers(数字) （6）Comparative and superlative(比较级和最高级) Homework 1. Review what we learned in this class. 2. Preview Unit 5 Section A. $