Unit 2 Family rules语法（专项训练）-2025-2026学年人教PEP版英语四年级下册

Unit 2 Family rules语法专项（分层闯关训练） 人教PEP四年级英语下册 考点 1：否定祈使句 Don’t + 动词原形 / Don’t be + 形容词 一、知识点归纳（学生必背） 1. 否定祈使句：表示 不要做某事 人教PEP四下英语 — 1 — 学科网（北京）股份有限公司 2. 结构 ① Don’t + 动词原形 Don’t run. / Don’t touch. 3. 结构 ② Don’t be + 形容词 Don’t be loud. / Don’t be messy. 4. 核心：Don’t 后面永远用动词原形 二、易错小提醒（考试避坑） 1. Don’t 后不能加 -s / -ing 2. 形容词前必须加 be 3. 句子开头首字母必须大写 第一关：基础小达人 （1–10 题） ( ) 1. Baby is sleeping. ______ be loud. A. Don’t B. Not C. Don’t be ( ) 2. Dad is cooking. Don’t ______ hot food. A. touch B. touches C. touching ( ) 3. Your room is messy. ______ be messy. A. Not B. Don’t C. Don’t be ( ) 4. ______ run in the house. It’s not safe. A. Don’t B. Not C. Can’t ( ) 5. Don’t ______ with balls in the living room. A. play B. playing C. plays ( ) 6. Don’t ______ TV for too long. A. watch B. watching C. watches ( ) 7. ______ shout. Dad is reading. A. Not B. Don’t C. Aren’t ( ) 8. Don’t ______ in the library. A. talk B. talks C. talking ( ) 9. Please ______ be late for school. A. not B. don’t C. no ( ) 10. Don’t ______ on the bed. A. jump B. jumping C. jumps 第二关：易错小勇士 （11–20 题） ( ) 11. ______ eat too much sweet food. A. Don’t B. Not C. Can’t ( ) 12. Don’t ______ in the river. It’s dangerous. A. swim B. swims C. swimming ( ) 13. ______ be so sad. We can help you. A. Not B. Don’t C. Don’t be ( ) 14. Don’t ______ your books in class. A. lose B. losing C. loses ( ) 15. ______ run in the classroom. A. Don’t B. Not C. No ( ) 16. Hurry up. Don’t ______ late. A. be B. is C. are ( ) 17. Don’t ______ close to the dog. A. go B. goes C. going ( ) 18. ______ be angry. I’m sorry. A. Not B. Don’t C. Don’t be ( ) 19. Don’t ______ in the water. A. play B. plays C. playing ( ) 20. ______ touch the door. It’s hot. A. Not B. Don’t C. Can’t 第三关：语法小冠军 （21–30 题） 21. Run in the room.（改为否定句） ________ ________ in the room. 22. Be loud.（改为否定句） ________ ________ loud. 23. Touch the hot things.（改为否定句） ________ ________ hot things. 24. Play football here.（改为否定句） ________ ________ football here. 25. Watch TV now.（改为否定句） ________ ________ TV now. 26. 不要在床上跳。 ________ ________ on the bed. 27. 不要吵闹。 ________ ________ loud. 28. 不要摸烫的东西。 ________ ________ hot things. 29. 不要在书房玩球。 ________ ________ balls in the study. 30. 不要太晚看电视。 ________ ________ TV too late. 考点 2：have to / has to （不得不、必须） 一、知识点归纳（学生必背） 1. have to / has to + 动词原形，表示不得不、必须 2. I / you / we / they 用 have to 3. he / she / it / 单数人名 用 has to 4. 否定：don’t / doesn’t have to（不必） 二、易错小提醒（考试避坑） 1. has to 只用于第三人称单数（he/she/人名） 2. to 后面必须加动词原形，不能加 s/ing 3. 否定句要用 don’t / doesn’t have to，不能用 hasn’t to 第一关：基础小达人（1–10 题） ( ) 1. I ______ tidy my room every day. A. have to B. has to C. must to ( ) 2. She ______ do her homework first. A. have to B. has to C. having to ( ) 3. They ______ keep their desks clean. A. have to B. has to C. must ( ) 4. He ______ go to school early. A. have to B. has to C. haves to ( ) 5. We ______ wash hands before dinner. A. have to B. has to C. having to ( ) 6. My brother ______ get up at 7:00. A. have to B. has to C. have ( ) 7. You ______ be quiet in the library. A. have to B. has to C. must to ( ) 8. Amy ______ help her mum cook. A. have to B. has to C. haves to ( ) 9. Tom and Mike ______ follow the rules. A. have to B. has to C. must to ( ) 10. The baby ______ sleep early. A. have to B. has to C. have 第二关：易错小勇士（11–20 题） ( ) 11. I ______ watch TV after I finish my homework. A. have to B. has to C. don’t have to ( ) 12. She ______ clean the room every weekend. A. don’t have to B. doesn’t have to C. hasn’t to ( ) 13. He ______ be late for school. A. has to B. doesn’t have to C. don’t have to ( ) 14. We ______ run in the house. A. don’t have to B. doesn’t have to C. has to ( ) 15. Mike ______ make his bed in the morning. A. have to B. has to C. haves to ( ) 16. You ______ touch hot things. It’s dangerous. A. don’t have to B. doesn’t have to C. has to ( ) 17. My dad ______ work every day. A. have to B. has to C. must to ( ) 18. They ______ play football in the room. A. don’t have to B. doesn’t have to C. has to ( ) 19. Lily ______ help her family. A. have to B. has to C. haves to ( ) 20. I ______ eat too much sweet food. A. don’t have to B. doesn’t have to C. has to 第三关：语法小冠军（21–30 题） 21. I (have to / has to) get up early.（圈出正确答案） 22. She ______ (have to / has to) read books. 23. We ______ (don’t have to / doesn’t have to) shout. 24. He ______ (not have to) be sad. 25. 我必须先做作业。 I ______ ______ do my homework first. 26. 她不得不整理房间。 She ______ ______ tidy her room. 27. 我们不必晚睡。 We ______ ______ ______ sleep late. 28. Mike必须遵守规则。（完成句子） Mike ______ ______ follow the rules. 29. 你不必摸烫的东西。 You ______ ______ ______ touch hot things. 30. 他们必须保持房间干净。 They ______ ______ keep the room clean. 考点 3：现在进行时 be + doing（正在做……） 一、知识点归纳（学生必背） 1. 结构：主语 + be (am/is/are) + 动词-ing 2. 意思：正在做某事 3. 标志词：look, listen, now, shh 4. be动词搭配： I → am he / she / it / 单数 → is you / we / they / 复数 → are 二、易错小提醒（考试避坑） 1. be 动词绝对不能漏 2. ing 拼写要正确 直接加：read → reading 去e加：make → making 以 ie 结尾变 y 加 ing：die → dying 双写加：run → running, swim → swimming 3. 不能和一般现在时混用 第一关：基础小达人（1–10 题） ( ) 1. Look! Mum ______ in the kitchen. A. cook B. is cooking C. cooking ( ) 2. Listen! Dad ______ now. A. is reading B. reads C. reading ( ) 3. Shh! The baby ______. A. sleeping B. is sleeping C. sleep ( ) 4. I ______ my room now. A. am tidying B. is tidying C. tidying ( ) 5. They ______ together. A. are cook B. are cooking C. is cooking ( ) 6. He ______ the floor. A. is sweeping B. sweeps C. sweeping ( ) 7. Look! The girls ______. A. are dance B. are dancing C. is dancing ( ) 8. My sister ______ a book. A. is reading B. reads C. reading ( ) 9. We ______ TV now. A. are watch B. are watching C. is watching ( ) 10. You ______ your homework. A. are doing B. is doing C. do 第二关：易错小勇士（11–20 题） ( ) 11. Don’t run! Dad ______. A. is work B. is working C. working ( ) 12. Listen! Who ______ A. is sing B. is singing C. sings ( ) 13. Look! I ______ a picture. A. am draw B. am drawing C. drawing ( ) 14. She ______ her hands now. A. is washing B. washes C. washing ( ) 15. Mike ______ in the study. A. is writing B. writes C. writing ( ) 16. They ______ balls in the room. A. are play B. are playing C. is playing ( ) 17. My grandma ______ now. A. is cook B. is cooking C. cooks ( ) 18. The dog ______ near the door. A. is sleeping B. sleeps C. sleeping ( ) 19. We ______ our room. A. are tidy B. are tidying C. is tidying ( ) 20. Look! Tom ______ . A. is run B. is running C. running 第三关：语法小冠军（21–30 题） 21. Look, I __________ (draw) a cat. 22. Listen! She __________ (sing). 23. Dad __________ (read) now. 24. They __________ (play) balls. 25. Mum __________ (cook) in the kitchen. 26. He __________ (sweep) the floor. 27. We __________ (watch) TV now. 28. I __________ (do) my homework. 29. You __________ (wash) your hands. 30. The baby __________ (sleep). 考点 4：keep 的用法（保持/使……保持某种状态） 一、知识点归纳（学生必背） 1. keep + 宾语 + 形容词 表示：使……保持…… 例：keep the room clean（保持房间干净） 2. keep + 动词-ing 表示：持续/一直做某事 例：keep talking（一直说话） 3. keep + 名词 表示：遵守/保管 例：keep the rules 遵守规则； keep sth. 保管某物 二、易错小提醒（考试避坑） 1. keep 后面用形容词，不能用副词 ❌ keep cleanly → ✅ keep clean 2. keep doing 不能换成 do / to do 3. us / me / him / her 作宾语时位置不变 第一关：基础小达人（1–10 题） ( ) 1. We should ______ our room clean. A. keep B. keeps C. keeping ( ) 2. Rules ______ us safe. A. keep B. keeps C. keeping ( ) 3. Please ______ quiet in the study. A. keep B. keeps C. keeping ( ) 4. You should ______ your desk tidy. A. keep B. keeps C. keeping ( ) 5. They ______ the room clean every day. A. keep B. keeps C. keeping ( ) 6. Dad ______ the family safe. A. keep B. keeps C. keeping ( ) 7. Let’s ______ our home happy. A. keep B. keeps C. keeping ( ) 8. Please ______ healthy. A. keep B. keeps C. keeping ( ) 9. We must ______ the rules. A. keep B. keeps C. keeping ( ) 10. She can ______ her room tidy. A. keep B. keeps C. keeping 第二关：易错小勇士（11–20 题） ( ) 11. Don’t keep ______. Dad is sleeping. A. talk B. talking C. to talk ( ) 12. Keep ______. The baby is sleeping. A. quiet B. quietly C. quietness ( ) 13. Exercise can ______ us strong. A. keep B. keeps C. keeping ( ) 14. We should keep ______. A. safe B. safely C. safety ( ) 15. Don’t keep ______ computer games. A. play B. playing C. to play ( ) 16. Please keep your room ______. A. tidy B. tidily C. tidiness ( ) 17. They keep ______ every day. A. run B. running C. to run ( ) 18. Water can ______ us healthy. A. keep B. keeps C. keeping ( ) 19. We must keep ______. A. clean B. cleanly C. cleaning ( ) 20. Keep ______ words. Use kind words. A. bad B. loud C. kind 第三关：语法小冠军（21–30 题） 21. We should ________ (keep / keeps) our classroom clean. 22. Please keep ________ (quiet / quietly). 23. Don’t keep ________ (talk / talking). 24. Rules keep us ________ (safe / safely). 25. She can ________ (keep) her room tidy. 26. 保持你的房间整洁。 ________ your room ________. 27. 规则保护我们安全。 Rules ________ us ________. 28. 不要一直说话。 Don’t ________ ________. 29. 我们必须保持健康。 We must ________ ________. 30. 请保持安静。 Please ________ ________. 考点 5：help 与 helpful 用法 一、知识点归纳（学生必背） 1. help（动词）：帮助 help sb. 帮助某人 help do sth. 帮助做某事 2. helpful（形容词）：乐于助人的、有用的 be helpful 有用的 a helpful girl 一个乐于助人的女孩 3. 核心区别： help = 动词（做动作） helpful = 形容词（描述人/东西） 二、易错小提醒（考试避坑） 1. help (to) do sth. to 可省略 2. helpful 前面必须加 be 动词（is/am/are） 3. 不能说：He helpful. → 正确：He is helpful. 第一关：基础小达人（1—10 题） ( ) 1. Let’s ______ Mum. A. help B. helpful C. helping ( ) 2. She is a ______ girl. A. help B. helpful C. helping ( ) 3. The rules are ______. A. help B. helpful C. helping ( ) 4. I can ______ you. A. help B. helpful C. helping ( ) 5. He ______ his dad every day. A. help B. helps C. helpful ( ) 6. You are very ______. A. help B. helpful C. helping ( ) 7. Let’s ______ clean the room. A. help B. helpful C. helping ( ) 8. My sister is ______. A. help B. helpful C. helping ( ) 9. They often ______ each other. A. help B. helpful C. helping ( ) 10. The book is ______. A. help B. helpful C. helping 第二关：易错小勇士（11—20 题） ( ) 11. We should ______ others. A. help B. helpful C. helping ( ) 12. She ______ her mum cook. A. help B. helps C. helpful ( ) 13. He is ______. He likes to help people. A. help B. helpful C. helping ( ) 14. Please ______ me. A. help B. helpful C. helping ( ) 15. These rules are very ______. A. help B. helpful C. helping ( ) 16. I want to ______ the old people. A. help B. helpful C. helping ( ) 17. My brother is a ______ boy. A. help B. helpful C. helping ( ) 18. They ______ us learn English. A. help B. helps C. helpful ( ) 19. Be ______ at home. A. help B. helpful C. helping ( ) 20. It’s ______ to help others. A. help B. helpful C. helping 第三关：语法小冠军（21—30 题） 21. Let’s ________ (help / helpful) Mum. 22. She is a ________ (help / helpful) girl. 23. I can ________ (help) you. 24. The rules are ________ (help / helpful). 25. He often ________ (help) his dad. 26. 帮助你的妈妈。 ________ your mum. 27. 他是一个乐于助人的男孩。 He is a ________ boy. 28. 这些规则很有用。 These rules are ________. 29. 让我帮助你。 Let me ________ you. 30. 我们应该帮助家人。 We should ________ our family. 考点 6：kind / kindly 用法（友善的 / 友善地） 一、知识点归纳（学生必背） 1. kind（形容词）：友善的、温和的 用法：be kind / kind + 名词 搭配：be kind to sb. 对某人友好，to 不可省 2. kindly（副词）：友善地、温和地 用法：修饰动词，放在动词后面 3. kindness（名词）：善良（小学只做了解） 二、易错小提醒（考试避坑） 1. 修饰名词/跟在be动词后 → 用 kind 2. 修饰动作（动词） → 用 kindly 3. 固定搭配：be kind to… 不能少 to 第一关：基础小达人（1—10 题） ( ) 1. We should use ______ words. A. kind B. kindly C. kindness ( ) 2. She is ______ to her brother. A. kind B. kindly C. kindness ( ) 3. Please speak ______. A. kind B. kindly C. kindness ( ) 4. He is a ______ boy. A. kind B. kindly C. kindness ( ) 5. We should be ______ to everyone. A. kind B. kindly C. kindness ( ) 6. Talk ______ to your sister. A. kind B. kindly C. kindness ( ) 7. She is a ______ girl. A. kind B. kindly C. kindness ( ) 8. Please write ______. A. kind B. kindly C. kindness ( ) 9. He is ______. A. kind B. kindly C. kindness ( ) 10. We use ______ words at home. A. kind B. kindly C. kindness 第二关：易错小勇士（11—20 题） ( ) 11. She ______ helps her mum. A. kind B. kindly C. kindness ( ) 12. Be ______ to animals. A. kind B. kindly C. kindness ( ) 13. He speaks ______ to others. A. kind B. kindly C. kindness ( ) 14. My teacher is ______. A. kind B. kindly C. kindness ( ) 15. ______ words make people happy. A. Kind B. Kindly C. Kindness ( ) 16. Please listen ______. A. kind B. kindly C. kindness ( ) 17. We should be ______. A. kind B. kindly C. kindness ( ) 18. She smiles ______. A. kind B. kindly C. kindness ( ) 19. He is ______ to his classmates. A. kind B. kindly C. kindness ( ) 20. We should talk ______. A. kind B. kindly C. kindness 第三关：语法小冠军（21—30 题） 21. We should be ________ (kind / kindly). 22. Please speak ________ (kind / kindly). 23. She is ________ (kind / kindly) to me. 24. Use ________ (kind / kindly) words. 25. He talks ________ (kind / kindly). 26. 做个友善的孩子。 Be a ________ boy/girl. 27. 对家人友善。 Be ________ to your family. 28. 请温和地说话。 Please talk ________. 29. 她很友善。 She is very ________. 30. 友善的话语使人温暖。 ________ words make people warm. 考点 7：字母组合 er 发音 /ə/ 一、知识点归纳（学生必背） 1. er 在词尾非重读音节，通常读 /ə/（轻读“呃”） 2. 本单元高频词： father, mother, brother, sister, dinner, water, computer, ruler 3. 发音特点：短、轻、模糊 二、易错小提醒（考试避坑） 1. er = /ə/ 是小学最常考，见到词尾 er 优先选 /ə/ 2. 不要和 ir / ur / or 混淆 3. 判断发音相同看重读位置+er读音 第一关：基础小达人（1—10 题） 判断划线部分发音是否相同，相同写 T，不同写 F。 ( ) 1. father 　 mother ( ) 2. sister　 water ( ) 3. dinner　 computer ( ) 4. brother　 ruler ( ) 5. tiger　 dinner ( ) 6. her　 sister ( ) 7. teacher　 worker ( ) 8. winter　 after ( ) 9. eraser under ( ) 10. girl　 father 第二关：易错小勇士（11—20 题） 选出划线部分发音不同的一项。 ( ) 11. A. water B. sister C. bird ( ) 12. A. father B. girl C. mother ( ) 13. A. dinner B. ruler C. hamburger ( ) 14. A. brother　 B. computer　 C. third ( ) 15. A. teacher　 B. her　 C. under ( ) 16. A. winter　 B. paper　 C. shirt ( ) 17. A. near　 B. sister　 C. mother ( ) 18. A. finger　 B. first　 C. worker ( ) 19. A. after　 B. doctor　 C. word ( ) 20. A. grandma　 B. nurse　 C. grandpa 第三关：语法小冠军（21—30 题） 根据发音规则，选出含有 /ə/ 音的单词。 ( ) 21. A. shirt B. sister ( ) 22. A. water B. bird ( ) 23. A. mother B. girl ( ) 24. A. hamburger　B. father ( ) 25. A. ruler　 B. third ( ) 26. A. under　 B. her ( ) 27. A. teacher　 B. shirt ( ) 28. A. dinner　 B. turtle ( ) 29. A. computer　 B. purple ( ) 30. A. worker　 B. curly 考点 8：祈使句肯定形式（Let’s… / Please…） 一、知识点归纳（学生必背） 1. 肯定祈使句：表示请做某事、让我们做某事 2. 结构1：动词原形 + 其他 Clean your room. / Open the door. 3. 结构2：Let’s + 动词原形（让我们……） Let’s go home. / Let’s help Mum. 4. 结构3：Please + 动词原形（请……） Please come in. / Please be quiet. 二、易错小提醒（考试避坑） 1. Let’s 后面永远用动词原形 2. Please 后面用动词原形 3. 祈使句主语通常省略，直接以动词开头 第一关：基础小达人（1—10 题） ( ) 1. ________ tidy your room. A. Let’s B. Let C. Let’s is ( ) 2. ________ help Mum cook. A. Let’s B. Let C. Let’s are ( ) 3. ________ quiet in the study. A. Be B. Is C. Are ( ) 4. Please ________ your hands. A. wash B. washes C. washing ( ) 5. Let’s ________ football. A. play B. playing C. plays ( ) 6. Please ________ late. A. not be B. don’t be C. be ( ) 7. ________ the door, please. A. Open B. Opens C. Opening ( ) 8. Let’s ________ our classroom clean. A. keep B. keeps C. keeping ( ) 9. Please ________ kind to others. A. be B. is C. are ( ) 10. ________ your homework first. A. Do B. Does C. Doing 第二关：易错小勇士（11—20 题） ( ) 11. Let’s ________. A. go B. going C. goes ( ) 12. Please ________ noisy. A. not be B. don’t be C. be ( ) 13. ________ careful! It’s hot. A. Be B. Is C. Are ( ) 14. Let’s ________ the room. A. clean B. cleans C. cleaning ( ) 15. Please ________ here. A. come B. comes C. coming ( ) 16. ________ good care of your books. A. Take B. Takes C. Taking ( ) 17. Let’s ________ to school. A. walk B. walks C. walking ( ) 18. Please ________ quiet. A. be B. is C. are ( ) 19. ________ your room tidy. A. Keep B. Keeps C. Keeping ( ) 20. Let’s ________ kind words. A. use B. uses C. using 第三关：语法小冠军（21—30 题） 21. Let’s ________ (go) home. 22. Please ________ (be) quiet. 23. ________ (clean) your room, please. 24. Let’s ________ (help) Mum. 25. Please ________ (wash) your hands. 26. 让我们保持房间整洁。 ________ ________ the room tidy. 27. 请打开门。 ________ ________ the door. 28. 做你的家庭作业。 ________ your homework. 29. 让我们一起读书。 ________ ________ books together. 30. 请对弟弟友善。 Please ________ ________ to your brother. 参考答案 考点1 1.A 2.A 3.B 4.A 5.A 6.A 7.B 8.A 9.B 10.A 11.A 12.A 13.B 14.A 15.A 16.A 17.A 18.B 19.A 20.B 21.Don’t run 22.Don’t be 23.Don’t touch 24.Don’t play 25.Don’t watch 26.Don’t jump 27.Don’t be 28.Don’t touch 29.Don’t play 30.Don’t watch 考点2 1.A 2.B 3.A 4.B 5.A 6.B 7.A 8.B 9.A 10.B 11.A 12.B 13.B 14.A 15.B 16.A 17.B 18.A 19.B 20.A 21. have to 22. has to 23. don’t have to 24. doesn’t have to 25. have to 26. has to 27. don’t have to 28. has to 29. don’t have to 30. have to 考点3 1.B 2.A 3.B 4.A 5.B 6.A 7.B 8.A 9.B 10.A 11.B 12.B 13.B 14.A 15.A 16.B 17.B 18.A 19.B 20.B 21. am drawing 22. is singing 23. is reading 24. are playing 25. is cooking 26. is sweeping 27. are watching 28. am doing 29. are washing 30. is sleeping 考点4 1.A 2.A 3.A 4.A 5.A 6.B 7.A 8.A 9.A 10.A 11.B 12.A 13.A 14.A 15.B 16.A 17.B 18.A 19.A 20.C 21. keep 22. quiet 23. talking 24. safe 25. keep 26. Keep; tidy 27. keep; safe 28. keep talking 29. keep healthy 30. keep quiet 考点5 1.A 2.B 3.B 4.A 5.B 6.B 7.A 8.B 9.A 10.B 11.A 12.B 13.B 14.A 15.B 16.A 17.B 18.A 19.B 20.B 21. help 22. helpful 23. help 24. helpful 25. helps 26. Help 27. helpful 28. helpful 29. help 30. help 考点6 1.A 2.A 3.B 4.A 5.A 6.B 7.A 8.B 9.A 10.A 11.B 12.A 13.B 14.A 15.A 16.B 17.A 18.B 19.A 20.B 21. kind 22. kindly 23. kind 24. kind 25. kindly 26. kind 27. kind 28. kindly 29. kind 30. Kind 考点7 1.T　2.T　3.T　4.T　5.T 6.T　7.T　8.T　9.T　10.F 11.C　12.B　13.C　14.C　15.B 16.C　17.A　18.B　19.C　20.B 21.B　22.A　23.A　24.B　25.A 26.A　27.A　28.A　29.A　30.A 考点8 1.A 2.A 3.A 4.A 5.A 6.B 7.A 8.A 9.A 10.A 11.A 12.B 13.A 14.A 15.A 16.A 17.A 18.A 19.A 20.A 21. go 22. be 23. Clean 24. help 25. wash 26. Let’s keep 27. Please open 28. Do 29. Let’s read 30. be kind $