Unit 1 Helping at Home知识点与重点易错（专项训练）-2026-2027学年人教PEP版英语四年级上册

**基本信息** 该专项聚焦Unit 1核心语言知识，通过三级梯度训练系统提炼语法规则与解题方法，强化语言运用能力与逻辑思维品质。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |情态动词can|9题|can后接动词原形（如I can help）|从基础单句到拓展短语运用，层层递进| |一般疑问句|9题|do/does问对应do/does答（如Yes, I do）|覆盖不同人称及否定回答，强化一致性| |特殊疑问句|9题|家务与职业问句区分（如答具体行为vs职业）|语境辨析中深化语义理解| |名词所有格|8题|'s表所属（如Olivia's mother）|从单一个体到共同拥有，逻辑清晰| |三单动词变化|9题|动词加-s规则（如he cleans）|结合日常行为场景，巩固语法应用|

最新人教PEP版四年级上册 Unit 1 Helping at Home 知识点与重点易错专项练习 重点单词 chore (家务) clean (打扫) cook (做饭) wash (洗) help (帮助) water (浇水) take out (拿出) make (制作) bed (床) meal (一顿饭) homework (作业) room (房间) floor (地板) plant (植物) trash (垃圾) 重点短语 do chores (做家务) clean the room (打扫房间) cook dinner (做晚饭) wash clothes (洗衣服) help mum/dad (帮助妈妈/爸爸) water the plants (浇花) take out the trash (倒垃圾) make the bed (铺床) eat meals (吃饭) do homework (做作业) 重点句型 1. What chores do you do at home? —— 你在家做什么家务？ 2. I clean my room. —— 我打扫我的房间。 3. Do you help at home? —— 你在家帮忙吗？ 4. Yes, I do. / No, I don't. —— 是的，我帮忙。/ 不，我不帮忙。 5. What do you do on Sundays? —— 星期天你做什么？ 6. I cook dinner. —— 我做晚饭。 7. Can you help me? —— 你能帮我吗？ 8. Sure. / Sorry, I can't. —— 当然。/ 对不起，我不能。 9. Let me help you. —— 让我帮你。 10. Thank you. —— 谢谢你。 重点语法 1. 特殊疑问句 What chores do you do at home? 及其回答：I clean my room. / I cook dinner. 2. 一般疑问句 Do you help at home? 及其肯定回答 Yes, I do. 否定回答 No, I don't. 3. 情态动词 can 表示“能/会”，后接动词原形，如 I can help. 回答用 Sure./Sorry, I can't. 4. 动词短语 take out, make the bed, water the plants 等的正确使用（祈使句/一般现在时中用原形）。 5. 频率副词 always, usually, often, sometimes, never 的使用，如 I always help at home. 6. 时间表达 on Sundays, in the morning, in the evening 等搭配一般现在时。 7. 动词 help 的用法：help sb (to) do sth，如 I help my mum cook dinner. 8. 名词所有格：表示所属关系，如 my father's job, Olivia's mother。 9. 第三人称单数动词变化规则：he/she/it 后动词加 -s，如 he helps, she cooks。 10. 语音 ch 发 /tʃ/ 音，如 China, chair, lunch。 考点1：情态动词 can 后接动词原形的固定用法 基础题：（选择题） ◇（ ）1. — Can you help me? — Sure, I can ______. A. A. help B. B. helps C. C. helping ◇（ ）2. — Can she cook dinner? — Yes, she can ______. A. A. cook B. B. cooks C. C. cooking ◇（ ）3. — Can they clean the room? — No, they can't ______. A. A. clean B. B. cleans C. C. cleaning 提升题：（选择题） ▷（ ）1. — Can your brother make the bed? — Yes, he can ______ it every day. A. A. make B. B. makes C. C. making ▷（ ）2. — Can you and Lily water the plants? — Yes, we can ______ them. A. A. water B. B. waters C. C. watering ▷（ ）3. — Can Olivia take out the trash? — Sorry, she can't ______ it now. A. A. take B. B. takes C. C. taking 拓展题：（选择题） ★（ ）1. — Can Jam help his mum? — Yes, he can ______ her cook dinner. A. A. help B. B. helps C. C. helping ★（ ）2. — Can Chen Wei do his homework? — No, he can't ______ it now. A. A. do B. B. does C. C. doing ★（ ）3. — Can they look after the baby? — Yes, they can ______ it well. A. A. look after B. B. looks after C. C. looking after 考点2：一般疑问句 Do you...? / Does he...? 的回答一致性 基础题：（选择题） ◇（ ）1. — Do you help at home? — Yes, ______. A. A. I do B. B. I don't C. C. I am ◇（ ）2. — Does he clean his room? — No, ______. A. A. he do B. B. he does C. C. he doesn't ◇（ ）3. — Do they do chores? — ______, they do. A. A. No B. B. Yes C. C. Not 提升题：（选择题） ▷（ ）1. — Does she cook dinner? — Yes, ______. A. A. she do B. B. she does C. C. she don't ▷（ ）2. — Do you and your sister help mum? — No, ______ don't. A. A. I B. B. you C. C. we ▷（ ）3. — Does your father work in Qingdao? — ______, he works in Jinan. A. A. Yes B. B. No C. C. Sure 拓展题：（选择题） ★（ ）1. — Do Olivia and Jam help at home? — Yes, ______ do. A. A. they B. B. them C. C. their ★（ ）2. — Does Chen Wei do his homework? — No, ______ doesn't. He plays games. A. A. he B. B. him C. C. his ★（ ）3. — Do your grandparents live in Wuhan? — Yes, ______ do. A. A. they B. B. them C. C. their 考点3：特殊疑问句 What chores do/does ... do? 与 What's ... job? 的语境区分 基础题：（选择题） ◇（ ）1. — What chores do you do? — I ______. A. A. clean the room B. B. am a teacher C. C. am cleaning ◇（ ）2. — What's your father's job? — He ______. A. A. cooks dinner B. B. is a cook C. C. can cook ◇（ ）3. — What does she do at home? — She ______. A. A. is a nurse B. B. helps mum C. C. is helpful 提升题：（选择题） ▷（ ）1. — What do they do on Sundays? — They ______. A. A. are doctors B. B. cook dinner C. C. is cooking ▷（ ）2. — What's your mother's job? — ______. A. A. She is kind B. B. She helps at home C. C. She is a doctor ▷（ ）3. — What chores does he do? — ______. A. A. He is a student B. B. He helps dad C. C. He is helpful 拓展题：（选择题） ★（ ）1. — What do Olivia and Jam do at home? — ______. A. A. They are twins B. B. They help mum C. C. They are helpful ★（ ）2. — What's Chen Wei's father's job? — ______. A. A. He works in Jinan B. B. He is a driver C. C. He drives a car ★（ ）3. — What does your sister do? — ______. A. A. She is pretty B. B. She is a pupil C. C. She does her homework 考点4：名词所有格 's 的用法 基础题：（选择题） ◇（ ）1. This is ______ room. A. A. my B. B. me C. C. I ◇（ ）2. That is ______ mother. A. A. Olivia B. B. Olivia's C. C. Olivias ◇（ ）3. ______ job is to teach English. A. A. My father's B. B. My father C. C. My fathers 提升题：（选择题） ▷（ ）1. ______ books are on the desk. A. A. Chen Wei B. B. Chen Wei's C. C. Chen Weis ▷（ ）2. This is ______ bedroom. A. A. Jam and Lily B. B. Jam's and Lily's C. C. Jam and Lily's ▷（ ）3. ______ hobby is singing. A. A. Zhang Hao's B. B. Zhang Hao C. C. Zhang Haos 拓展题：（选择题） ★（ ）1. These are ______ toys. A. A. they B. B. their C. C. them ★（ ）2. ______ names are Olivia and Bella. A. A. Their B. B. They're C. C. Them 考点5：第三人称单数主语后实义动词加 -s 的规律 基础题：（选择题） ◇（ ）1. He ______ his room every day. A. A. clean B. B. cleans C. C. cleaning ◇（ ）2. She ______ dinner in the evening. A. A. cook B. B. cooks C. C. cooking ◇（ ）3. My brother ______ the floor. A. A. sweep B. B. sweeps C. C. sweeping 提升题：（选择题） ▷（ ）1. Your father ______ to work by car. A. A. go B. B. goes C. C. going ▷（ ）2. Lily ______ her homework carefully. A. A. do B. B. does C. C. doing ▷（ ）3. The cat ______ milk every morning. A. A. drink B. B. drinks C. C. drinking 拓展题：（选择题） ★（ ）1. My uncle ______ in a hospital. He's a doctor. A. A. work B. B. works C. C. working ★（ ）2. Zhang Hao ______ up at six o'clock. A. A. get B. B. gets C. C. getting ★（ ）3. The dog ______ in the garden every day. A. A. play B. B. plays C. C. playing 考点6：一词多义与词性混淆 基础题：（选择题） ◇（ ）1. My mother is a good ______. A. A. cook B. B. cooking C. C. cooker ◇（ ）2. The room is very ______. A. A. clean B. B. cleanly C. C. cleaner ◇（ ）3. He is very ______. He always helps others. A. A. help B. B. helpful C. C. helping 提升题：（选择题） ▷（ ）1. I can't find my ______. Where is it? A. A. key B. B. keys C. C. keyes ▷（ ）2. She speaks English very ______. A. A. good B. B. well C. C. fine ▷（ ）3. This is a ______ book. I like it. A. A. interest B. B. interesting C. C. interested 拓展题：（选择题） ★（ ）1. My little brother is only three years old. He can't dress ______. A. A. him B. B. his C. C. himself ★（ ）2. The flowers in the garden are very beautiful and ______. A. A. colour B. B. colourful C. C. coloured ★（ ）3. This knife is very ______. Be careful! A. A. sharp B. B. sharpen C. C. sharply 考点7：不定冠词 a / an 在职业名词前的用法 基础题：（选择题） ◇（ ）1. My father is ______ engineer. A. A. a B. B. an C. C. the ◇（ ）2. She is ______ university student. A. A. a B. B. an C. C. the ◇（ ）3. He wants to be ______ actor. A. A. a B. B. an C. C. the 提升题：（选择题） ▷（ ）1. My uncle is ______ office worker in Qingdao. A. A. a B. B. an C. C. the ▷（ ）2. She works as ______ English teacher. A. A. a B. B. an C. C. the ▷（ ）3. He is ______ honest man. A. A. a B. B. an C. C. the 拓展题：（选择题） ★（ ）1. They are looking for ______ useful book about animals. A. A. a B. B. an C. C. the ★（ ）2. My grandmother is ______ European tourist. A. A. a B. B. an C. C. the ★（ ）3. It's ______ honour to meet you. A. A. a B. B. an C. C. the 考点8：频率副词在句中的位置和一般现在时的呼应 基础题：（选择题） ◇（ ）1. I ______ help my mum at home. A. A. always B. B. am always C. C. always am ◇（ ）2. She ______ watches TV in the evening. A. A. sometimes B. B. is sometimes C. C. sometimes is ◇（ ）3. We ______ do our homework after school. A. A. usually B. B. are usually C. C. usually are 提升题：（选择题） ▷（ ）1. My father ______ goes to work by bus. A. A. often B. B. is often C. C. often is ▷（ ）2. They ______ visit their grandparents on weekends. A. A. sometimes B. B. are sometimes C. C. sometimes are ▷（ ）3. Lily ______ helps her brother with his studies. A. A. always B. B. is always C. C. always is 拓展题：（选择题） ★（ ）1. Olivia ______ eats vegetables. She's healthy. A. A. usually B. B. is usually C. C. usually is ★（ ）2. Jam ______ plays computer games. It's bad for his eyes. A. A. often B. B. is often C. C. often is ★（ ）3. We ______ go to the park on Sundays. A. A. sometimes B. B. are sometimes C. C. sometimes are 考点9：语音考点——字母组合 ch 的常见发音 /tʃ/ 基础题：（选择题） ◇（ ）1. Which word has the /tʃ/ sound? A. A. school B. B. chair C. C. chemistry ◇（ ）2. Choose the word with /tʃ/ sound. A. A. child B. B. chair C. C. chorus ◇（ ）3. Find the word with /tʃ/ sound. A. A. Christmas B. B. China C. C. chord 提升题：（选择题） ▷（ ）1. Which of the following words does NOT have /tʃ/ sound? A. A. teacher B. B. beach C. C. school ▷（ ）2. Which word has a different sound for 'ch'? A. A. chicken B. B. machine C. C. much 拓展题：（选择题） ★（ ）1. In the word 'schedule', 'ch' sounds like ______. A. A. /k/ B. B. /ʃ/ C. C. /tʃ/ ★（ ）2. Which word has the same 'ch' sound as 'Christmas'? A. A. China B. B. school C. C. church ★（ ）3. The 'ch' in 'character' sounds like ______. A. A. /k/ B. B. /ʃ/ C. C. /tʃ/ 考点10：同义/近义短语与介词搭配 基础题：（选择题） ◇（ ）1. Look after means ______. A. A. look for B. B. take care of C. C. look at ◇（ ）2. I do chores ______ my parents. A. A. for B. B. to C. C. with ◇（ ）3. Take out the trash is the same as ______. A. A. put out the trash B. B. bring out the trash C. C. throw away the trash 提升题：（选择题） ▷（ ）1. Help someone do something is the same as ______. A. A. help someone to do something B. B. help someone doing something C. C. help someone done something ▷（ ）2. We should do chores ______ our family. A. A. to B. B. for C. C. with ▷（ ）3. Make the bed is similar to ______. A. A. tidy the bed B. B. wash the bed C. C. sleep on the bed 拓展题：（选择题） ★（ ）1. Water the plants means to ______. A. A. give water to the plants B. B. wash the plants C. C. cut the plants ★（ ）2. Cook dinner for someone means ______. A. A. buy dinner for someone B. B. make dinner for someone C. C. eat dinner with someone ★（ ）3. Do homework with someone means ______. A. A. give homework to someone B. B. finish homework alone C. C. work on homework together 参考答案与解析 考点1：情态动词 can 后接动词原形的固定用法 基础题： 1. Can you help me? — Sure, I can help. 答案：A 解析：can后接动词原形help，不加s或ing。 2. Can she cook dinner? — Yes, she can cook. 答案：A 解析：can后接动词原形cook。 3. Can they clean the room? — No, they can't clean. 答案：A 解析：can后接动词原形clean。 提升题： 1. Can your brother make the bed? — Yes, he can make it every day. 答案：A 解析：can后接动词原形make。 2. Can you and Lily water the plants? — Yes, we can water them. 答案：A 解析：can后接动词原形water。 3. Can Olivia take out the trash? — Sorry, she can't take it now. 答案：A 解析：can后接动词原形take。 拓展题： 1. Can Jam help his mum? — Yes, he can help her cook dinner. 答案：A 解析：can后接动词原形help。 2. Can Chen Wei do his homework? — No, he can't do it now. 答案：A 解析：can后接动词原形do。 3. Can they look after the baby? — Yes, they can look after it well. 答案：A 解析：can后接动词原形短语look after。 考点2：一般疑问句 Do you...? / Does he...? 的回答一致性 基础题： 1. Do you help at home? — Yes, I do. 答案：A 解析：do问do答，主语I用do。 2. Does he clean his room? — No, he doesn't. 答案：C 解析：does问doesn't答，主语he用doesn't。 3. Do they do chores? — Yes, they do. 答案：B 解析：do问do答，主语they用do。 提升题： 1. Does she cook dinner? — Yes, she does. 答案：B 解析：does问does答，主语she用does。 2. Do you and your sister help mum? — No, we don't. 答案：C 解析：主语是we，用don't回答。 3. Does your father work in Qingdao? — No, he works in Jinan. 答案：B 解析：does问doesn't答，事实否定用No。 拓展题： 1. Do Olivia and Jam help at home? — Yes, they do. 答案：A 解析：主语是they，用do回答。 2. Does Chen Wei do his homework? — No, he doesn't. He plays games. 答案：A 解析：does问doesn't答，主语he用doesn't。 3. Do your grandparents live in Wuhan? — Yes, they do. 答案：A 解析：do问do答，主语they用do。 考点3：特殊疑问句 What chores do/does ... do? 与 What's ... job? 的语境区分 基础题： 1. What chores do you do? — I clean the room. 答案：A 解析：问家务用do+动词原形回答。 2. What's your father's job? — He is a cook. 答案：B 解析：问职业用be动词+职业名词回答。 3. What does she do at home? — She helps mum. 答案：B 解析：问行为用does+动词原形回答。 提升题： 1. What do they do on Sundays? — They cook dinner. 答案：B 解析：问行为用do+动词原形回答。 2. What's your mother's job? — She is a doctor. 答案：C 解析：问职业用be动词+职业名词回答。 3. What chores does he do? — He helps dad. 答案：B 解析：问家务用does+动词原形回答。 拓展题： 1. What do Olivia and Jam do at home? — They help mum. 答案：B 解析：问行为用do+动词原形回答。 2. What's Chen Wei's father's job? — He is a driver. 答案：B 解析：问职业用be动词+职业名词回答。 3. What does your sister do? — She does her homework. 答案：C 解析：问行为用does+动词原形回答。 考点4：名词所有格 's 的用法 基础题： 1. This is my room. 答案：A 解析：my是形容词性物主代词，修饰名词room。 2. That is Olivia's mother. 答案：B 解析：Olivia's是名词所有格，表示所属关系。 3. My father's job is to teach English. 答案：A 解析：My father's是名词所有格，作主语。 提升题： 1. Chen Wei's books are on the desk. 答案：B 解析：Chen Wei's是名词所有格，表示书籍是Chen Wei的。 2. This is Jam and Lily's bedroom. 答案：C 解析：共同拥有用and连接后加's。 3. Zhang Hao's hobby is singing. 答案：A 解析：Zhang Hao's是名词所有格，表示爱好是Zhang Hao的。 拓展题： 1. These are their toys. 答案：B 解析：their是形容词性物主代词，修饰名词toys。 2. Their names are Olivia and Bella. 答案：A 解析：Their是形容词性物主代词，修饰名词names。 考点5：第三人称单数主语后实义动词加 -s 的规律 基础题： 1. He cleans his room every day. 答案：B 解析：第三人称单数主语后动词加-s。 2. She cooks dinner in the evening. 答案：B 解析：第三人称单数主语后动词加-s。 3. My brother sweeps the floor. 答案：B 解析：第三人称单数主语后动词加-s。 提升题： 1. Your father goes to work by car. 答案：B 解析：第三人称单数主语后动词加-s。 2. Lily does her homework carefully. 答案：B 解析：第三人称单数主语后助动词does，实义动词用原形。 3. The cat drinks milk every morning. 答案：B 解析：第三人称单数主语后动词加-s。 拓展题： 1. My uncle works in a hospital. He's a doctor. 答案：B 解析：第三人称单数主语后动词加-s。 2. Zhang Hao gets up at six o'clock. 答案：B 解析：第三人称单数主语后动词加-s。 3. The dog plays in the garden every day. 答案：B 解析：第三人称单数主语后动词加-s。 考点6：一词多义与词性混淆 基础题： 1. My mother is a good cook. 答案：A 解析：cook作名词，意为"厨师"。 2. The room is very clean. 答案：A 解析：clean作形容词，意为"干净的"。 3. He is very helpful. He always helps others. 答案：B 解析：helpful是形容词，意为"乐于助人的"。 提升题： 1. I can't find my key. Where is it? 答案：A 解析：key是单数名词。 2. She speaks English very well. 答案：B 解析：well是副词，修饰动词speaks。 3. This is an interesting book. I like it. 答案：B 解析：interesting是形容词，修饰名词book。 拓展题： 1. My little brother is only three years old. He can't dress himself. 答案：C 解析：himself是反身代词，与主语he呼应。 2. The flowers in the garden are very beautiful and colourful. 答案：B 解析：colourful是形容词，意为"色彩鲜艳的"。 3. This knife is very sharp. Be careful! 答案：A 解析：sharp是形容词，意为"锋利的"。 考点7：不定冠词 a / an 在职业名词前的用法 基础题： 1. My father is an engineer. 答案：B 解析：engineer以元音音素开头，用an。 2. She is a university student. 答案：B 解析：university以元音音素开头，用an。 3. He wants to be an actor. 答案：B 解析：actor以元音音素开头，用an。 提升题： 1. My uncle is an office worker in Qingdao. 答案：B 解析：office以元音音素开头，用an。 2. She works as an English teacher. 答案：B 解析：English以元音音素开头，用an。 3. He is an honest man. 答案：B 解析：honest以元音音素开头，用an。 拓展题： 1. They are looking for a useful book about animals. 答案：A 解析：useful以辅音音素开头，用a。 2. My grandmother is a European tourist. 答案：A 解析：European以辅音音素开头，用a。 3. It's an honour to meet you. 答案：B 解析：honour以元音音素开头，用an。 考点8：频率副词在句中的位置和一般现在时的呼应 基础题： 1. I always help my mum at home. 答案：A 解析：频率副词通常放在实义动词前，be动词后。 2. She sometimes watches TV in the evening. 答案：A 解析：频率副词通常放在实义动词前。 3. We usually do our homework after school. 答案：A 解析：频率副词通常放在实义动词前。 提升题： 1. My father often goes to work by bus. 答案：A 解析：频率副词通常放在实义动词前。 2. They sometimes visit their grandparents on weekends. 答案：A 解析：频率副词通常放在实义动词前。 3. Lily always helps her brother with his studies. 答案：A 解析：频率副词通常放在实义动词前。 拓展题： 1. Olivia usually eats vegetables. She's healthy. 答案：A 解析：频率副词通常放在实义动词前。 2. Jam often plays computer games. It's bad for his eyes. 答案：A 解析：频率副词通常放在实义动词前。 3. We sometimes go to the park on Sundays. 答案：A 解析：频率副词通常放在实义动词前。 考点9：语音考点——字母组合 ch 的常见发音 /tʃ/ 基础题： 1. Which word has the /tʃ/ sound? chair 答案：B 解析：chair中ch发/tʃ/音。 2. Choose the word with /tʃ/ sound. child 答案：A 解析：child中ch发/tʃ/音。 3. Find the word with /tʃ/ sound. China 答案：B 解析：China中ch发/tʃ/音。 提升题： 1. Which of the following words does NOT have /tʃ/ sound? school 答案：C 解析：school中ch发/k/音。 2. Which word has a different sound for 'ch'? machine 答案：B 解析：machine中ch发/ʃ/音。 拓展题： 1. In the word 'schedule', 'ch' sounds like /k/. 答案：A 解析：schedule中ch发/k/音。 2. Which word has the same 'ch' sound as 'Christmas'? school 答案：B 解析：Christmas和school中ch都发/k/音。 3. The 'ch' in 'character' sounds like /k/. 答案：A 解析：character中ch发/k/音。 考点10：同义/近义短语与介词搭配 基础题： 1. Look after means take care of. 答案：B 解析：look after和take care of意思相同。 2. I do chores for my parents. 答案：A 解析：为某人做事用介词for。 3. Take out the trash is the same as throw away the trash. 答案：C 解析：take out和throw away意思相近。 提升题： 1. Help someone do something is the same as help someone to do something. 答案：A 解析：两种结构都正确且意思相同。 2. We should do chores for our family. 答案：B 解析：为家人做事用介词for。 3. Make the bed is similar to tidy the bed. 答案：A 解析：make the bed和tidy the bed意思相近。 拓展题： 1. Water the plants means to give water to the plants. 答案：A 解析：water the plants就是给植物浇水。 2. Cook dinner for someone means make dinner for someone. 答案：B 解析：cook dinner for someone就是为某人做晚饭。 3. Do homework with someone means work on homework together. 答案：C 解析：with表示一起做某事。 学科网（北京）股份有限公司 $