Unit 1 Helping at home 常考易错语法（专项训练）-2026-2027学年人教PEP版英语四年级上册

人教版英语四年级上册Unit 1 Helping at home 常考易错语法专项练习 易错总结（考前必看）： -现在进行时 = be（am/is/are）+ 动词ing，少一个都不行！记住口诀：有ing要有be，缺一不可要牢记。 - 去e加ing：make → making，write → writing，不是 makeing。 - 双写加ing：run → running，swim → swimming，末尾辅元辅，重读闭音节。 -一般疑问句用Do/Does开头：Does + 主语 + 动词原形？看到Does，动词要变回原形，不再加-s。 -频度副词位置：放在实义动词前，be动词后。记住口诀：be后实前要记清。 -祈使句否定 = Don't + 动词原形，看到Don't，后面用原形。 第一部分：常考易错语法梳理与对应练习 本单元围绕“在家做家务”主题展开，核心语法包括现在进行时的用法、助动词Do/Does引导的一般疑问句，以及频度副词的用法。以下是考试中常见的失分点及对应练习： 易错语法一：现在进行时（be doing）中be动词的遗漏 核心要点： -现在进行时表示“此刻正在做的事情”，结构为：主语 + be动词（am/is/are）+ 动词-ing形式。 - 很多同学在写句子时容易漏掉be动词，只写动词ing形式，导致句子结构不完整。 -I + am；第三人称单数（he/she/it/单数名词）+ is；复数主语 + are。 常见错误示例： - ❌ I cleaning the room.（漏掉了am） - ✅ I am cleaning the room. - ❌ She washing the clothes.（漏掉了is） - ✅ She is washing the clothes. 对应练习一：用所给词的适当形式填空（10分） 1. I __________ (sweep) the floor now. 2. She __________ (wash) the dishes in the kitchen. 3. They __________ (clean) the classroom at the moment. 4. My father __________ (read) a newspaper in the living room. 5. Listen! The baby __________ (cry) in the room. 6. We __________ (make) a cake for Mum now. 7. He __________ (water) the flowers in the garden. 8. The children __________ (play) games in the park. 9. Look! The cat __________ (sleep) on the sofa. 10. My sister __________ (do) her homework right now. 易错语法二：现在分词（动词-ing）的构成规则 核心要点： 动词变现在分词（-ing形式）有三种情况，考试中经常考查： 1.一般情况下直接加-ing：cook → cooking，sweep → sweeping，read → reading，watch → watching，clean → cleaning，water → watering。 2.以不发音的e结尾的动词，先去e再加-ing：make → making，write → writing，take → taking，ride → riding。 3.以“辅音字母+元音字母+辅音字母”结尾且末尾音节重读的动词，双写末尾辅音字母再加-ing：run → running，swim → swimming，shop → shopping，sit → sitting，put → putting。 对应练习二：写出下列动词的现在分词（-ing形式）（10分） 1. cook __________2. make __________3. run __________ 4. read __________5. write __________6. swim __________ 7. clean __________8. take __________9. put __________ 10. watch __________ 易错语法三：现在进行时与一般现在时的区分 核心要点： -现在进行时：表示此时此刻正在做的动作，常与 now、right now、at the moment、Look！、Listen！等词连用。 -一般现在时：表示经常性、习惯性的动作，常与 often、always、usually、sometimes、every day等词连用。 - 考试中常给一段话，让考生根据时间标志词判断用哪种时态。 对应练习三：用所给词的适当形式填空（10分） 1. She __________ (read) a book every evening. 2. Listen! She __________ (sing) in the next room. 3. My father __________ (go) to work by car every day. 4. Look! The children __________ (play) football on the playground. 5. We usually __________ (have) dinner at 6:00 p.m. 6. It's 7:00 a.m. now. I __________ (eat) breakfast. 7. He always __________ (get) up at 6:30. 8. —What are you doing? —I __________ (clean) my room. 9. She sometimes __________ (watch) TV in the evening. 10. Be quiet! The baby __________ (sleep). 易错语法四：Do / Does 引导的一般疑问句及答语 核心要点： -当句子中没有be动词（am/is/are）时，变一般疑问句要借助助动词 Do（主语为I/You/复数）或Does（主语为第三人称单数）。 -Does 用在主语为 he/she/it/单数名词时，加 Does 后，后面的动词必须用原形，不能再加-s或-es。 - 简略回答：Yes, 主语 + do/does. / No, 主语 + don't/doesn't. 常见错误示例： - ❌ Does he goes to school?（加了Does，goes要变回go） - ✅ Does he go to school? - ❌ Do she like apples?（主语是she，助动词应该用Does） - ✅ Does she like apples? 对应练习四：按要求改写句子（10分） 1. I often help my mother at home.（改为一般疑问句） ________________________________________________ 2. She sweeps the floor every day.（改为一般疑问句） ________________________________________________ 3. Does he wash the clothes?（作肯定回答） ________________________________________________ 4. They clean the classroom after school.（改为一般疑问句） ________________________________________________ 5. Do you make your bed every morning?（作肯定回答和否定回答） 肯定回答：______________________________________ 否定回答：______________________________________ 易错语法五：频度副词的用法及位置 核心要点： -本单元重点掌握的频度副词有：always（总是） > usually（通常） > often（经常） > sometimes（有时）。 - 频度副词通常放在实义动词之前，be动词/助动词之后。 - 对频度副词提问用How often，但本单元一般不要求掌握，主要以理解含义为主。 举例： - I always get up early.（放在实义动词get之前） - She is always kind.（放在be动词is之后） - He often helps his mother.（放在实义动词helps之前） 对应练习五：选择正确的频度副词填空（always / usually / often / sometimes）（5分） 1. I __________ get up at 7:00. I'm never late. 2. She __________ helps her mother, but not every day. 3.They _________ go to the park on Sundays, but sometimes they stay at home. 4. He is __________ happy. I never see him sad. 5. We __________ have breakfast at 7:30. That's our habit. 易错语法六：祈使句的用法 核心要点： - 祈使句用于表达命令、请求或建议，以动词原形开头，主语you通常省略。 -肯定形式：动词原形 + 其他。 如：Clean your room.（把你的房间打扫干净。） -否定形式：Don't + 动词原形 + 其他。 如：Don't watch TV too much.（不要看太多电视。） - 祈使句的否定形式中，Do 是助动词，后面必须接动词原形。 对应练习六：按要求完成句子（5分） 1. Please sweep the floor.（改为否定句） ________________________________________________ 2. Don't watch TV.（改为肯定句） ________________________________________________ 3. 把“开门”用祈使句表达（肯定形式） ________________________________________________ 4. 把“不要在这里玩”用祈使句表达（否定形式） ________________________________________________ 5. Please make your bed.（改为否定句） ________________________________________________ 第二部分：综合检测（10分） 单项选择 ( ) 1. —What are you doing? —I ______ the dishes. A. wash B. washing C. am washing ( ) 2. She ______ the floor every morning. A. sweep B. sweeps C. is sweeping ( ) 3. —______ he often help his mother? —Yes, he ______. A. Do; does B. Does; do C. Does; does ( ) 4. Look! The children ______ a model plane. A. make B. is making C. are making ( ) 5.—What's your mother doing? —She ______ dinner in the kitchen. A. cooks B. is cooking C. cook ( ) 6. I ______ to school at 7:00 every morning. A. go B. am going C. goes ( ) 7. Please ______ quiet in the library. A. is B. are C. be ( ) 8. My father is ______ the car in the garden. A. wash B. washing C. washes ( ) 9. —Does your sister ______ her bed? —Yes, she ______. A. make; do B. makes; does C. make; does ( ) 10. Don't ______ in class. A. talk B. talking C. talks 参考答案 对应练习一 1. am sweeping 2. is washing 3. are cleaning 4. is reading 5. is crying 6. are making 7. is watering 8. are playing 9. is sleeping 10. is doing 对应练习二 1. cooking 2. making 3. running 4. reading 5. writing 6. swimming 7. cleaning 8. taking 9. putting 10. watching 对应练习三 1. reads 2. is singing 3. goes 4. are playing 5. have 6. am eating 7. gets 8. am cleaning 9. watches 10. is sleeping 对应练习四 1. Do you often help your mother at home? 2. Does she sweep the floor every day? 3. Yes, he does. 4. Do they clean the classroom after school? 5. 肯定回答：Yes, I do. 否定回答：No, I don't. 对应练习五 1. always 2. often 3. usually 4. always 5. usually 对应练习六 1. Don't sweep the floor, please. 2. Watch TV. 3. Open the door. 4. Don't play here. 5. Don't make your bed, please. 综合检测 1. C 2. B 3. C 4. C 5. B 6. A 7. C 8. B 9. C 10. A 学科网（北京）股份有限公司 $