Unit 4 Healthy habits（易错题专项训练・语法提升）英语人教PEP版五年级上册（新教材）

Unit4 Healthy habits 专题02 语法提升·易错题专项训练 · 内容导航 · 1. 情态动词 should 完整句式变换 2. should 后动词原形规则，易错变形辨析 3. tooth teeth 不规则名词复数句法运用 4. What should…? 特殊疑问句及答句 5.人称主语变换，should 的人称不变规则 6.综合训练 高频易错点、易错点提示、小练笔、答题点拨 易错精讲 情态动词 should 完整句式变换规则 高频易错点01 should 为情态动词，表达建议、劝告；无人称和数的变化，所有人称后面都用 should；否定缩写 shouldn’t = should not，后面必须接动词原形。 1.肯定陈述句：主语 + should + 动词原形 + 其他 例：You should brush your teeth twice a day. 2.否定句变换：主语 + shouldn’t + 动词原形 + 其他 例：You shouldn’t check your phone in bed. 3.一般疑问句变换：Should + 主语 + 动词原形 + 其他？  肯定回答：Yes, 主语 + should.  否定回答：No, 主语 + shouldn’t. 例：—Should we exercise every day? —Yes, we should. 易错点提示 不能用 don’t should；should 不会随 he/she 变化变成 shoulds；否定直接加 not。 小练笔 01 一、用 should /shouldn’t 填空 1.You ____ eat too much candy. It’s bad for teeth. 2.We ____ get enough sleep every night. 3.He ____ play phone in bed. 4.They ____ exercise every day. 5.—____ I wash hands before meals? —Yes, you ____. 二、单项选择 ( ) 1. —Should we rest our eyes? —Yes, we ____. A. do B. shouldn’t C. should ( ) 2. You ____ check your phone so often. A. not should B. shouldn’t C. don’t should should 后面动词原形变形规则 高频易错点01 核心规则：should /shouldn’t 后面，无论什么主语，只能使用动词原形，不可以加s、ing、to。 ✅ You should wash hands. ❌ You should washes hands. / You should washing hands. / You should to wash hands. 易错点提示 学生经常给动词加 s，或者加 to；看到 should 立刻锁定动词原形。 小练笔 02 一、用所给动词正确形式填空 1.You should ____(brush) your teeth. 2.We shouldn’t ____(play) on the phone. 3.He should ____(exercise) every day. 4.They shouldn’t ____(eat) too much candy. 5.She should ____(get) enough sleep. 二、单项选择 ( ) 1. You shouldn’t ____ your eyes for long. A. tires B. tire C. tiring ( ) 2. We should ____ enough water. A. drink B. drinks C. drinking tooth teeth 不规则复数在句中的句法运用高频易错点03 tooth（单数）：描述单颗牙齿；teeth（复数）描述多颗牙齿；brush 后面固定搭配复数 teeth。 例句：I have a bad tooth. 我有一颗牙疼。 You should brush your teeth. 你应该刷牙。 易错点提示 不能写 tooths；在句子中要根据数量选择单数 tooth 或者复数 teeth。 小练笔 03 用 tooth /teeth 填空 1.I have a bad ____. 2.You must brush your ____ every day. 3.One ____, two ____. 4.His ____ hurt. 5.This ____ hurts. What should…? 特殊疑问句高频易错点04 1. 结构：What + should + 主语 + 动词原形？… 应该做什么？ 2. 答句：主语 + should /shouldn’t + 动词原形 + 其他。 例：—What should I do? —You should rest your eyes. 易错点提示 问句中 should 提前，后面动词继续使用原形，回答也要用 should 句型，不能用 do 回答 should 问句。 小练笔 04 按要求改写 1.You should brush your teeth twice a day.（对划线部分提问） 2.We should exercise every day.（对划线部分提问） 3.—What should I do?（回答：你应该喝足够的水） 4.What should we do to keep healthy?（回答：我们应该吃健康食物） 5.You shouldn’t play on a phone in bed.（改为一般疑问句） 主语人称变换，should 不变规则高频易错点05 should 不受主语 I /you/he /she/we /they 影响，主语变化，should 形式完全不变，只有后面实义动词保持原形。 例句： I should get enough sleep. He should get enough sleep. We should get enough sleep. 易错点提示 换主语只更换人称代词，should 不变，动词依旧原形。 小练笔 05 改写句子，变换主语 1.You should exercise every day.（改为 He 作主语） 2.He shouldn’t eat too much candy.（改为 We 作主语） 3.I should wash my hands.（改为 She 作主语） 4.She should rest her eyes.（改为 They 作主语） 5.We should get enough sleep.（改为 I 作主语） 综合训练 一、选词填空&用单词正确形式填空 1.You ____(should / shouldn’t) ____(brush) your ____(tooth/teeth) every day. 2.He ____(should / shouldn’t) ____(eat) too much candy. 3.—____(Should / Do) we ____(exercise)? —Yes, we ____(should / do). 二、单项选择 ( )1. —____ I rest my eyes? —Yes, you ____ . A. Should; should B. Do; do C. Are; are ( )2. You ____ eat too much candy. A. not should t B. shouldn’ C. don’t should ( )3. He should ____ every day. A. exercises B. exercise C. exercising ( )4. —What should I do? —____ A. You should drink enough water. B. You drinks enough water. C. You drinking enough water. ( )5. We ____ play phone in bed. It’s bad for eyes. A. aren’t B. should C. shouldn’t ( )6. She should ____ her hands before meals. A. wash B. washes C. washing ( )7. I have a bad ____. A. tooth B. teeth C. tooths ( )8. You should brush your ____ twice a day. A. tooth B. teeth C. tooths ( )9. —Should we get enough sleep? —No, we ____. A. shouldn’t B. should C. don’t ( )10. They ____ eat healthy food. A. should B. shouldes C. should 三、句型转换 1.You should drink enough water.（改为否定句） 2.We should exercise every day.（改为一般疑问句） 3.Should he eat too much candy?（做否定回答） 4.You should brush your teeth twice a day.（对划线部分提问） 5.You should rest your eyes.（改为He作主语） 6.He shouldn’t check phone in bed.（改为We作主语） 四、短文选词填空 should, shouldn’t, brush, exercise, eat, tooth, teeth, see We ____ keep healthy. We ____ our ____ every day. We ____ too much candy. We ____ every day. If a ____ hurts, we ____ ____ a doctor. 五、单句改错（划出错误，写出正确单词） 1.You should brushes your teeth. ________ 2.He don’t should play phone in bed. ________ 3.You should brush your tooth every day. ________ 4.—Should we rest eyes? —Yes, we do. ________ 5.She shoulds exercise every day. ________ 六、连词成句（大小写、标点规范） 1.should, you, twice, teeth, brush, your, a, day (.) 2.shouldn’t, in, we, bed, phone, play, the (.) 3.should, every, we, exercise, day (.) 4.what, I, should, do (?) 七、阅读选择 Hello, I’m David. We should keep healthy. We should eat healthy food and drink enough water. We should exercise every day. We should brush our teeth twice a day. We should get enough sleep. We shouldn’t eat too much candy. We shouldn’t check our phone in bed. If your tooth hurts, you should go and see a doctor. ( )1. We ____ eat healthy food. A. do B. shouldn’t C. should ( )2. David thinks we should brush our ____ twice a day. A. teeth B. tooth C. tooths ( )3. What shouldn’t we do? A. Check phone in bed. B. Exercise every day. C. Drink enough water. ( )4. If a ____ hurts, we should see a doctor. A. hand B. tooth C. eye ( )5. —Should we get enough sleep? —____ A. No, we shouldn’t B. Yes, we do. C. Yes, we should. 参考答案 小练笔 01 一、用 should /shouldn’t 填空 1. shouldn’t 2. should 3. shouldn’t 4. should 5. Should；should 二、单项选择 1.C 2.B 小练笔 02 一、用所给动词正确形式填空 1.brush 2.play 3.exercise 4.eat 5.get 二、单项选择 1.B 2.A 小练笔 03 用 tooth /teeth 填空 1.tooth 2.teeth 3.tooth；teeth 4.teeth 5.tooth 小练笔 04 按要求改写 1.What should I do? 2.What should we do? 3.You should drink enough water. 4.We should eat healthy food. 5.Shouldn’t you play on a phone in bed? 小练笔 05 改写句子，变换主语 1.He should exercise every day. 2.We shouldn’t eat too much candy. 3.She should wash her hands. 4.They should rest their eyes. 5.I should get enough sleep. 综合训练 一、选词填空&用单词正确形式填空 1.should；brush；teeth 2.shouldn’t；eat 3.Should；exercise；should 【解析】 1.表达健康建议应该每天刷牙，should后接动词原形brush；刷牙用复数teeth。 2.不应该吃太多糖果，shouldn’t后接动词原形eat。 3.should引导一般疑问句，后接动词原形exercise；should引导问句，回答用should。 二、单项选择 1.A 2.B 3.B 4.A 5.C 6.A 7.A 8.B 9.A 10.C 【解析】 1.should引导一般疑问句，回答用should，选A。 2.should的否定形式为shouldn’t，没有not should / don’t should用法，选B。 3.should后面必须接动词原形exercise，选B。 4.should问句答句要使用should句型，选A。 5.躺在床上玩手机是不好的习惯，用shouldn’t，C。 6.should后接动词原形wash，选A。 7. a bad tooth 一颗牙疼，用单数tooth，选A。 8.brush your teeth刷牙，固定搭配用复数teeth，选B。 9.should引导疑问句否定回答用shouldn’t，选A。 10.should为情态动词，无人称数变化，选C。 三、句型转换 1.You shouldn’t drink enough water. 2.Should we exercise every day? 3.No, he shouldn’t. 4.What should I do? 5.He should rest his eyes. 6.We shouldn’t check phone in bed. 【解析】 1.should变否定直接加not，缩写shouldn’t。 2.一般疑问句把should提到句首大写。 3.should引导一般疑问句，否定回答：No, 主语+shouldn’t。 4.对动作提问用What should I do? 5.更换主语为He，should不变，物主代词改为his。 6.更换主语为We，shouldn’t保持不变。 四、短文选词填空 1.should 2.brush；teeth 3.shouldn’t eat 4.exercise 5.tooth 6.should；see 【解析】 1.should keep healthy 应该保持健康。 2.brush our teeth 刷我们的牙齿，用复数teeth。 3.shouldn’t eat too much candy 不应该吃太多糖果。 4.should exercise every day，填exercise。 5.a tooth hurts 一颗牙疼，单数tooth。 6.should see a doctor 应该去看医生。 五、单句改错（划出错误，写出正确单词） 1. 错误：brushes → 改正：brush 【解析】should情态动词后面接动词原形。 2. 错误：don’t should → 改正：shouldn’t 【解析】should否定直接变为shouldn’t，不能用don’t should。 3. 错误：tooth → 改正：teeth 【解析】brush one’s teeth为固定搭配，要用复数teeth。 4. 错误：do → 改正：should 【解析】Should引导的问句，回答要用should，不能用助动词do。 5. 错误：shoulds → 改正：should 【解析】should是情态动词，无人称变化，没有shoulds形式。 六、连词成句（大小写、标点规范） 1.You should brush your teeth twice a day. 2.We shouldn’t play the phone in bed. 3.We should exercise every day. 4.What should I do? 【解析】 1.陈述句：主语You+should+动词短语brush your teeth，twice a day作时间状语放句末。 2.主语We，shouldn’t+动词短语play the phone，in bed地点放句末。 3.主语We+should+exercise，every day时间状语放末尾。 4.特殊疑问句，What置于句首，should提前。 七、阅读选择 1.C 2.A 3.A 4.B 5.C 【导语】通读短文，区分should与shouldn’t，提取健康习惯相关信息匹配题干作答。 1.原文We should eat healthy food，选C。 2.原文We should brush our teeth twice a day，用复数teeth，选A。 3.原文We shouldn’t check our phone in bed，选A。 4.原文If your tooth hurts, you should go and see a doctor，单数tooth，选B。 5.Should引导问句，肯定回答Yes, we should.，选C。 第 11 页 共 12 页 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $