Unit 4 Healthy habits 语法重点讲解及练习（专项训练）-2026-2027学年人教PEP版英语五年级上册

**基本信息** 聚焦情态动词should/shouldn't，通过“规则-句型-应用”三层体系构建语法逻辑，结合健康习惯主题实现语言能力与思维品质的协同培养。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |语法讲解|4要点（含义/句型/规则/搭配）|should表建议/shouldn't表禁止，动词原形规则，主题固定搭配|从语法概念（should/shouldn't）到主题逻辑（好习惯=should+健康行为）| |专项练习|8题型（填空/判断/单选等）|句型转换技巧，正误辨析方法，语境应用策略|通过多样化题型实现语法规则到语言运用的迁移|

【人教PEP版五年级上册】 Unit 4 Healthy habits 语法重点讲解及练习 单元语法小结 一、单元核心语法：情态动词 should / shouldn’t 1. 基本含义 - should：表示建议、劝告、正确做法（好习惯） - shouldn’t = should not：表示禁止、不建议、错误做法（坏习惯） 2. 固定句型 ---肯定句：主语 + should + 动词原形 ---否定句：主语 + shouldn’t + 动词原形 ---一般疑问句：Should + 主语 + 动词原形…? 回答：Yes, 主语 should. / No, 主语 shouldn’t. 3. 重点规则 should / shouldn’t 后面永远加动词原形， 不分人称、不分单复数、不加s/es、不加ing 例： You should get up early.（正确） He should eats less candy.（错误） 4. 单元固定搭配 - should eat fresh vegetables / fruit 应该吃新鲜蔬果 - should sleep early 应该早睡 - should do more exercise 应该多运动 - should drink enough water 应该多喝水 - shouldn’t stay up late 不应该熬夜 - shouldn’t eat too much sweet food 不应该吃太多甜食 二、一般现在时 - 主语三单 + 动词三单 - 主语非三单 + 动词原形 三、be good for / be bad for 固定短语 - be good for… 对……有益（健康） - be bad for… 对……有害（不健康） 主语单复数决定 be动词用 is / are 四、单元核心逻辑 should + 健康行为 = good habits shouldn’t + 不良行为 = bad habits 专项练习 一、根据句意，用 should 或 shouldn’t 填空 1. You ________ watch TV for too long. It’s bad for your eyes. 2. We ________ wash our hands before eating food. 3. Children ________ go to bed too late at night. 4. Everyone ________ do exercise every day to keep strong. 5. We ________ eat too much ice cream in winter. 二、判断正(T)误(F)，错误句子改正 ( ) 1. He should goes to bed early. _______________ ( ) 2. We shouldn’t eat dirty food. _______________ ( ) 3. Should she drinks more water? _______________ ( ) 4. You should not stay up late. _______________ ( ) 5. They shouldn’t to eat too much sugar. _______________ 三、单项选择 ( ) 1. Eating more vegetables ______ good for our health. A. is B. are C. should ( ) 2. You ______ exercise every day. It’s a good habit. A. shouldn’t B. should C. don’t ( ) 3. ______ I read books every morning? A. Do B. Should C. Am ( ) 4. Too much candy is ______ for your teeth. A. good B. bad C. healthy ( ) 5. My sister ______ get up early on weekdays. A. should B. shoulds C. does 四、按要求改写句子 1. You should drink warm water.（改为否定句） __________________________________________ 2. We should do morning exercises every day.（改为一般疑问句） __________________________________________ 3. Should he eat more fresh fruit?（肯定回答） __________________________________________ 4. You shouldn’t play computer games too much.（改为肯定句） __________________________________________ 5. Sleeping late is bad for us.（改为同义句：We…） __________________________________________ 五、用括号内动词的正确形式填空 1. You should ________ (brush) your teeth every morning. 2. We shouldn’t ________ (eat) too much junk food. 3. He should ________ (sleep) for nine hours every day. 4. Should they ________ (take) more outdoor exercise? 5. Students shouldn’t ________ (watch) TV before homework. 六、选词填空（shouldn’t / healthy / good / bad / should ） 1. Running every day is a ________ habit. 2. Eating too much sweet food is ________ for your body. 3. We ________ keep our room clean and tidy. 4. You ________ sit in front of the computer too long. 5. Fresh food makes us ________ and strong. 七、连词成句 1. early, we, get up, should (.) __________________________________________ 2. bad, late, up, getting, is, for, us (.) __________________________________________ 3. shouldn’t, food, we, dirty, eat (.) __________________________________________ 4. more, should, exercise, children, do (.) __________________________________________ 5. teeth, you, brush, should, your (.) __________________________________________ 八、根据中文补全英文句子（每空一词） 1. 你应该每天多喝水。 You ________ ________ more water every day. 2. 熬夜对我们有害。 Staying up late is ________ ________ us. 3. 我们不应该吃太多垃圾食品。 We ________ ________ too much junk food. 4. 多运动是好习惯。 Doing more exercise is a ________ ________. 5. 他应该早睡早起。 He ________ ________ up early and sleep early. 【参考答案】 一、 1. shouldn’t 2. should 3. shouldn’t 4. should 5. shouldn’t 二、 1. F goes → go 2. T 3. F drinks → drink 4. T 5. F 去掉 to 三、 1. A 2. B 3. B 4. B 5. A 四、 1. You shouldn’t drink warm water. 2. Should you do morning exercises every day? 3. Yes, he should. 4. You should play computer games too much. 5. We shouldn’t sleep late. 五、 1. brush 2. eat 3. sleep 4. take 5. watch 六、 1. good 2. bad 3. should 4. shouldn’t 5. healthy 七、 1. We should get up early. 2. Getting up late is bad for us. 3. We shouldn’t eat dirty food. 4. Children should do more exercise. 5. You should brush your teeth. 八、 1. should drink 2. bad for 3. shouldn’t eat 4. good habit 5. should get 学科网（北京）股份有限公司 $