Unit 5 易错题精练（语法讲解+分层精练）-2025-2026学年译林版八年级英语下册

译林版八年级下学期Unit 5 Good manners易错题精练 语法讲解+分层精练 · 语法讲解 语法类易错点（核心重点） （一）enough 的用法（形容词 / 副词 / 名词搭配） 1. 核心错误点 混淆 enough 与形容词 / 副词的位置关系，误将 enough 置于形容词 / 副词前； 忽略 enough 可直接修饰名词，名词可置于 enough 后； 固定搭配中漏用介词，如enough for sb to do结构中丢失 for sb。 2. 关键规则 修饰形容词 / 副词：enough 放后，结构为「adj./adv. + enough」； 修饰名词：enough 放前，结构为「enough + n. 」； 常用拓展结构：enough for sb to do sth（足够…… 让某人做某事）。 （二）too 的基本用法（修饰形容词 / 副词） 1. 核心错误点 与 enough 混淆位置，将 too 置于形容词 / 副词后； 误将 too 直接修饰名词，需加 many/much/few/little 构成「too + many/much + n.」。 2. 关键规则 修饰形容词 / 副词：too 放前，结构为「too + adj./adv.」； 修饰名词：必须搭配限定词，即「too many + 可数名词复数」/「too much + 不可数名词」/「too few/little + 名词」； 表 “也” 时，too 放句末，用逗号隔开（单元交际用语拓展）。 （三）enough to /too...to 句式结构辨析 1. 核心错误点 混淆两个句式的语义，将表否定的 too...to 误用于肯定语境； 句式中 to 后接动词原形，误接动名词； too...to 结构中，当主语与不定式逻辑宾语一致时，误加多余宾语； 忽略too...for sb to do结构的用法，直接用 too...to 接人称代词。 2. 关键规则 be + adj./adv. + enough + to do sth 足够…… 能做某事（肯定用法） be + too + adj./adv. + to do sth太…… 而不能做某事（否定用法） 拓展结构：be + too + adj./adv. + for sb + to do sth（对某人来说太…… 而不能做某事） · 分层精练 第一部分：基础过关 30 题（词汇运用 & 动词填空） 本部分侧重单元词汇与语法基础结合，考查 enough/too 的基础搭配、单元核心词汇变形。 一、词汇运用 根据句意及首字母 / 汉语提示完成单词，注意适当形式。 1. It's bad manners to d________ litter everywhere in public places. 2. Please wait in line p________ when you buy tickets. 3. We should a________ our teachers as "nin" in formal situations in China. 4. The host was so h________ that he kept putting food on my plate at dinner. 5. Chinese people are usually m________ and don't accept praise openly. 6. It's important to keep ________（安静的）in the library. 7. We should follow the traffic ________（规则）when we cross the road. 8. He was ________（高兴的）to hear that his son passed the exam. 9. The little boy is ________（太）young to go to school alone. 10. Do you have ________（足够的）time to finish your homework today? 11. It's polite to say "________（请）" and "thank you" in daily life. 12. Don't leave the tap ________（流）when you wash your hands. 13. We should show ________（尊重）for our elders and teachers. 14. The food is ________（太）hot for me to eat. 15. She is kind ________（足够的）to help the old man carry the bag. 16. It's a good ________（习惯）to keep the classroom clean. 17. British people usually ________（问候）each other with a hug. 18. Don't ________（采摘）flowers in the park. It's against the rules. 19. He didn't ________（意识到）his mistake until his teacher told him. 20. We should behave ________（适当地）in different situations. 二、动词填空 用所给动词的适当形式填空，结合 enough/too 句式和单元时态用法。 1. The boy is old enough ________（go）to school by bike. 2. The box is too heavy for me ________（carry）. 3. Please remember ________（keep）quiet in the museum. 4. She is too shy ________（speak）in front of a big group of people. 5. We have enough time ________（finish）the work before Friday. 6. Don't forget ________（turn）off the light when you leave the room. 7. The water is too cold ________（swim）in. 8. He is careful enough ________（avoid）making the same mistake. 9. It's impolite ________（talk）with food in your mouth. 10. They are too busy ________（have）a rest during the work time. 第二部分：能力提升（单项选择）20 题 核心易错点：enough/too 的位置 & 搭配、enough to/too...to 辨析、单元固定搭配、情景交际。 三、单项选择 1. —Is the box light enough ________? —Yes, I can carry it easily. A. carry B. to carry C. carrying D. carried 2. The little girl is ________ young ________ go to school. She is only three years old. A. too; to B. enough; to C. so; that D. such; that 3. We have ________ time to get to the station. Don't worry. A. too many B. too much C. enough D. little 4. It's ________ noisy in the room. I can't hear you clearly. A. too B. enough C. so D. very 5. She is ________ kind ________ help the homeless man with food and water. A. too; to B. enough; to C. so; that D. so; as 6. Don't take ________ food. We can't finish it all. A. too many B. too much C. enough D. few 7. The boy runs ________ fast ________ catch up with him. A. too; to B. enough; to C. so; that D. such; that 8. Do you have ________ books to read during the holiday? A. enough B. too many C. too much D. little 9. It's important ________ polite to others in all situations. A. to be B. being C. be D. to being 10. The classroom is ________ for us to study in. A. enough clean B. too clean C. clean enough D. enough to 11. —What should we do in the library? —We ________ keep quiet and not run around. A. must B. have to C. don't have to D. mustn't 12. He is ________ modest ________ accept the praise from his teacher openly. A. too; to B. enough; to C. so; that D. such; that 13. There is ________ milk in the fridge. Let's buy some. A. too much B. too little C. enough D. many 14. The girl is tall ________ to reach the apples on the tree. A. enough B. too C. so D. very 15. It's bad manners ________ the tap running when you don't use it. A. leave B. to leave C. leaving D. left 16. This question is ________ difficult for the students ________ answer it. A. too; to B. enough; to C. so; that D. as; as 17. We should ________ our teachers with respect in school. A. address B. call C. name D. speak 18. He was pleased ________ ________ hear the news that he won the competition. A. too; to B. enough; to C. so; that D. much; to 19. Don't talk ________ loudly in the dining hall. It's impolite. A. too B. enough C. so D. much 20. —When in Rome, do as the Romans do. —Yes, we should behave ________ in different countries. A. properly B. good C. well enough D. enough well 第三部分：高阶综合（句型转换 & 完形填空）14 题 本部分侧重语法综合运用，考查 enough/too 句式转换、单元语境完形，贴合单元主题和中考题型。 四、句型转换 按要求改写句子，每空一词，核心考查 enough/too 句式互换、否定句、提问等。 1. The boy is old enough to go to school alone.（改为同义句，用 so...that） The boy is ________ old ________ he can go to school alone. 2. The box is too heavy for her to carry.（改为同义句，用 so...that） The box is ________ heavy ________ she can't carry it. 3. He has enough time to finish the work.（改为否定句） He ________ ________ enough time to finish the work. 4. The water is too cold to swim in.（改为同义句，用 not...enough to） The water ________ ________ warm enough to swim in. 5. She is careful enough to avoid making mistakes.（对划线部分提问） ________ is she ________ to avoid making mistakes? 6. It's impolite to drop litter everywhere.（改为反意疑问句） It's impolite to drop litter everywhere, ________ ________? 7. We should wait in line patiently.（改为否定句） We ________ ________ wait in line patiently. 五、完形填空 阅读短文，从 A、B、C、D 四个选项中选出最佳答案，贴合 Unit 5 中西方礼仪差异主题，穿插语法考点。 Manners are important in every country, but they are different in different countries. When you travel to other countries, you should learn about their manners first, or you may make some mistakes. In the UK, people always say "please" and "thank you" in daily life. They are 1 ________ polite to jump the line in public places. They also like to greet their friends with a hug or a kiss. In China, we usually use "nin" to 2 ________ others in formal situations. Chinese people are usually 3 ________ modest to accept praise openly. When someone praises us, we often say "Nali, nali" instead of "Thank you". When it comes to dining manners, there are also many differences. In China, eating is a special time for people to connect. The host is usually 4 ________ hospitable to let guests eat little. He or she keeps putting food on the guest's plate. In the UK, the host usually asks if the guest wants more food or drinks 5 ________ of putting food on the plate. It may be 6 ________ difficult for you to get used to the differences at first, but if you remember the saying "When in Rome, do as the Romans do", you will get on well with people there. It's 7 ________ important to respect the local manners. Only in this way can you enjoy your trip in other countries. 1. A. too B. enough C. so D. very 2. A. call B. address C. name D. speak 3. A. too B. enough C. so D. such 4. A. too B. enough C. so D. very 5. A. instead B. because C. instead of D. as 6. A. too B. enough C. so D. very 7. A. too B. enough C. so D. very 答案与详细解析 第一部分：基础过关 20 题 一、词汇运用 1. drop（drop litter 乱扔垃圾，It's bad manners to do sth 做某事是不礼貌的） 2. patiently（副词修饰动词 wait，wait patiently 耐心等待） 3. address（address sb 称呼某人，should 后接动词原形） 4. hospitable（hospitable（形容词，好客的；so+adj.+that... 表如此好客以至于一直往我盘子里夹菜，符合句意） 5. modest（形容词，谦虚的，be modest 谦虚的） 6. quiet（keep quiet 保持安静，固定搭配） 7. rules（traffic rules 交通规则，固定短语，用复数） 8. pleased（be pleased to do sth 高兴做某事，固定搭配） 9. too（too...to 太…… 而不能，固定句式） 10. enough（enough 修饰名词 time，放名词前） 11. Please（please 请，日常交际用语，首字母大写） 12. running（leave sth running 让某物一直运转，固定搭配） 13. respect（show respect for sb 尊重某人，固定短语） 14. too（too...to 太…… 而不能，固定句式） 15. enough（kind enough to do sth 足够善良做某事，enough 放形容词后） 16. habit（a good habit 一个好习惯，可数名词单数） 17. greet（greet each other 互相问候，一般现在时，主语是复数，用原形） 18. pick（pick flowers 摘花，Don't 后接动词原形） 19. realize（实义动词，意识到，didn't 后接动词原形） 20. properly（副词修饰动词 behave，behave properly 举止得体） 二、动词填空 1. to go（enough to do sth 足够…… 做某事，to 后接动词原形） 2. to carry（too...to do sth 太…… 而不能做某事，to 后接动词原形） 3. to keep（remember to do sth 记得去做某事，还未做，固定搭配） 4. to speak（too...to do sth 太…… 而不能做某事，to 后接动词原形） 5. to finish（enough time to do sth 足够的时间做某事，不定式 to finish 作后置定语修饰名词 time） 6. to turn（forget to do sth 忘记去做某事，还未做，固定搭配） 7. to swim（too...to do sth 太…… 而不能做某事，to 后接动词原形） 8. to avoid（enough to do sth 足够…… 做某事，to 后接动词原形） 9. to talk（It's + adj. + to do sth 做某事是…… 的，固定句型） 10. to have（too busy to do sth 太忙而不能做某事，固定句式） 第二部分：能力提升（单项选择） 1. B 解析：enough to do sth 足够…… 做某事，to 后接动词原形，选 B。 2. A 解析：由 “only three years old” 可知 “太小不能上学”，too...to 太…… 而不能，选 A。 3. C 解析：由 “Don't worry” 可知 “有足够的时间”，enough 足够的，修饰不可数名词 time，选 C。 4. A 解析：too noisy 太吵了，too 修饰形容词 noisy，符合 “听不清” 的语境，选 A。 5. B 解析：kind enough to do sth 足够善良做某事，enough 放形容词后，故选 B。 6. B 解析：food 是不可数名词，too much 太多，修饰不可数名词，符合 “吃不完” 的语境，选 B。 7. A 解析：句意为 “这个男孩跑得太快，追不上他”，too...to 太…… 而不能，选 A。 8. A 解析：enough books 足够的书，enough 修饰名词放前，too many 后接名词但表 “太多”，与语境不符，选 A。 9. A 解析：It's important to do sth 做某事是重要的，to 后接动词原形，be polite 有礼貌的，选 A。 10. C 解析：enough 修饰形容词时需后置，结构为「adj. + enough」，clean enough 表示 “足够干净”，符合 “教室足够干净，适合我们在里面学习” 的句意；enough clean 为位置错误，too clean（太干净）无此语境，enough to 为句式结构，无法单独作表语。 11. A 解析：图书馆保持安静是主观必须遵守的规则，must 必须（主观），have to 侧重客观被迫，选 A。 12. A 解析：句意为 “他太谦虚，不愿公开接受老师的表扬”，too...to 太…… 而不能，选 A。 13. B 解析：由 “Let's buy some” 可知 “冰箱里牛奶太少”，milk 是不可数名词，too little 太少，修饰不可数名词，选 B。 14. A 解析：tall enough 足够高，enough 修饰形容词放后，选 A。 15. B 解析：It's bad manners to do sth 做某事是不礼貌的，固定句型，选 B。 16. A 解析：句意为 “这个问题对学生来说太难，做不出来”，too...to 太…… 而不能，选 A。 17. A 解析：address sb with... 用…… 称呼某人，贴合单元知识点，call 后直接接 sb，选 A。 18. B 解析：本题考查 enough/too/so 的句式辨析，核心为 enough 修饰形容词的后置用法。 19. A 解析：too loudly 太大声，too 修饰副词 loudly，符合 “不礼貌” 的语境，选 A。 20. A 解析：behave properly 举止得体，副词 properly 修饰动词 behave；well enough 虽语法正确，但本语境无‘足够好’的含义，故选 A。 第三部分：高阶综合（句型转换 & 完形填空） 四、句型转换 1. so; that 解析：enough to 的肯定句式转换为 so...that 的肯定从句，so+adj.+that 如此…… 以至于。 2. so; that 解析：too...to 的否定句式转换为 so...that 的否定从句，so+adj.+that 如此…… 以至于。 3. doesn't have 解析：一般现在时，主语 he 是第三人称单数，否定用 doesn't，后接动词原形 have。 4. is not 解析：too...to（太凉不能游泳）转换为 not...enough to（不够暖和不能游泳），主语 water 是不可数名词，be 动词用 is。 5. How; careful 解析：对形容词 careful 提问用 how，How is sb enough to do sth 某人足够…… 做某事吗？ 6. isn't it 解析：反意疑问句，前肯后否，It's 的否定是 isn't it。 7. should not 解析：should 的否定直接加 not，should not 不应该。 五、完形填空 1. A 解析：too...to 太…… 而不能，句意为 “他们太有礼貌，不会在公共场合插队”，选 A。 2. B 解析：address sb 称呼某人，贴合单元知识点，用 “nin” 称呼他人，选 B。 3. A 解析：too...to 太…… 而不能，句意为 “中国人太谦虚，不会公开接受表扬”，选 A。 4. A 解析：too...to 太…… 而不能，句意为 “主人太好客，不会让客人少吃”，选 A。 5. C 解析：instead of 是介词短语，后接动名词形式，意为 “代替、而不是”，符合 “主人会询问客人是否需要更多食物，而非直接往盘子里夹菜” 的句意；instead 为副词，不可接 of，故选 C。 6. C 解析：so difficult 意为 “如此困难”，so 修饰形容词后接陈述句，本句无否定含义，故不用 too...to；enough 修饰形容词需后置，very 修饰形容词无 “如此” 的语义，故选 C。 7. D 解析：very 修饰形容词 important，表 “非常重要”，符合 “尊重当地的礼仪是非常重要的” 的句意；so 修饰形容词后常接 that 从句，本句无从句；enough 修饰形容词需后置；too...to 表否定，均不符合语境，故选 D。 学科网（北京）股份有限公司 $