Unit 5 At weekends（易错题专项训练·语法提升）英语译林版三起五年级上册（新教材）

**基本信息** 聚焦小学英语Unit 5核心语法，以高频易错点为纲，构建“概念解析-规则提炼-分层训练”体系，强化语言能力与思维品质。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |频率副词|5题填空|位置三规则（be后实前/疑问助动前/强调句首）+How often提问法|从频率梯度（always-never）到句法功能，形成“词义-位置-应用”链条| |三单形式|9题词形转换|变化四规则（直加s/es/变y为i+es/特殊has）+be动词vs助动词区别|以主语人称单复数为逻辑起点，衔接动词形态变化| |周末活动句型|5题单选|do/does主谓一致（三单用does/非三单用do）+答句结构|整合前两模块，实现“频率副词+三单形式”在情景交际中的综合应用| |综合训练|30题（填空/选择/转换等）|多题型融合应用，强化语法规则迁移能力|从单一规则到多知识点联动，构建一般现在时语法网络|

Unit 5 At weekends 专题02 语法提升·易错题专项训练 高频易错点03 询问对方周末活动的句型 高频易错点01 频率副词的用法 高频易错点02 一般现在时的三单形式用法 高频易错点、易错点提示、小练笔、答题点拨 易错精讲 频率副词的用法 高频易错点01 常用的频率副词有：usually, often, always, sometimes 和 never(从不)。 它们的频率高低为：always＞usually＞often＞sometimes＞never。 频率副词 词义 发生的大致频率 always 总是 100% usually 通常 80% often 经常 60% sometimes 有时 30% never 从不 0 易错点提示 一、频率副词在句中的位置： 1.放在be动词、情态动词或助动词之后。 I am usually at home at weekends. 我周末通常在家。 2.放在实义动词之前。 We often go to the cinema on Sundays. 我们经常在周日去看电影。 3.有时为了强调,可放在句首。 Sometimes she waters flowers at weekends. 在周末,她有时浇花。 二、在一般疑问句的答句中，频率副词一般放在助动词之前。 —Do you often play football? 你经常踢足球吗？ —Yes,I often do.是的,我经常(踢足球)。 三、对这些频率副词提问时，用how often。如： Sometimes I write to my brother. 我有时写信给我的哥哥。 How often do you write to your brother? 你多久给你哥哥写信？ 小练笔 用所给单词的适当形式填空。 1.She sometimes _______(chat) with her friends on the phone. 2.Su Yang’s parents usually _______(visit) her grandparents on Saturdays. 3.We like _______(play) football after school. 4.—What _______ Sandy usually _______(do)? —She usually reads books. 5.Helen often _______(go) to the cinema. 6.Nancy has a _______(dance) lesson. 点拨 1. 答案：chats 解析：sometimes（有时）是一般现在时标志；主语she是第三人称单数，谓语动词chat要变为三单形式chats。 2. 答案：visit 解析：usually（通常）一般现在时；主语parents是复数，谓语动词用原形visit。 3. 答案：playing / to play 解析：固定搭配 like doing sth. 喜欢做某事（长期爱好）；like to do sth. 喜欢做某事（某次意愿）。本题优先填playing。 4. 答案：does; do 解析：usually一般现在时；主语Sandy三单，特殊疑问句助动词用does，后面的实义动词变回原形do。 5. 答案：goes 解析：often（经常）一般现在时；主语Helen第三人称单数，go三单形式goes。 6. 答案：dancing 解析：dancing是动名词作定语，修饰lesson；dancing lesson 舞蹈课，固定表达。 一般现在时的三单形式用法高频易错点02 一般现在时的“三单形式” 当句子的主语是第三人称单数（he他，she她，it它，单独的人名、地名、单数可数名词 等 ）时，谓语动词要用第三人称单数形式，简称“三单形式” 。 动词变为三单形式的规则如下： 1.在动词原形后直接加 s 如：work - works，play - plays; 2.以 s, x, ch, sh，o结尾的动词，在词尾加 es 如：watch - watches，box - boxes; 3.以辅音字母 + y 结尾的动词，先把 y 变为 i ，再加 es 如：study - studies ❗易错：元音(a/e/i/o/u)+y结尾，直接加s：play‑plays 4. 特殊情况：have 的三单形式是 has 。 易错点提示 （1）关于be动词和助动词的使用区别 助动词（do/does/did）主要功能是辅助行为动词，构建疑问、否定句式 。简言之：存在行 为动词时，常用助动词；无行为动词，用be动词。 Is he at home now?（句子中没有行为动词 ） Does he play football well?（句中有行为动词 ） 小练笔 写出下列动词的第三人称单数形式。 1. play ________ 2. watch ________ 3. go ________ 4. do ________ 5. study ________ 6. fly ________ 7. wash ________ 8. have ________ 9. like ________ 点拨 1. 答案：plays 解析：一般情况，动词直接加‑s。play → plays。 2. 答案：watches 解析：以 ch 结尾，加‑es。watch → watches。 3. 答案：goes 解析：以 o 结尾，加‑es。go → goes。 4. 答案：does 解析：以 o 结尾特殊变化，do → does（不规则，重点记忆）。 5. 答案：studies 解析：辅音字母 d + y 结尾，变 y 为 i，再加‑es。study → studies。 6. 答案：flies 解析：辅音字母 l + y 结尾，变 y 为 i，再加‑es。fly → flies。 7. 答案：washes 解析：以 sh 结尾，加‑es。wash → washes。 8. 答案：has 解析：不规则变化，have → has，必须背诵。 9. 答案：likes 解析：一般情况，直接加‑s。like → likes。 询问对方周末活动的句型高频易错点03 “What + do/does + 主语 + do at weekends?” 答语：主语 + 频率副词 + 动词 + 其它。 What do you often do at weekends? 你经常在周末做什么？ I often do my homework and clean my room. 我经常做作业和打扫房间。 易错点提示 do/does为助动词，由主语的人称而定。 （1）主语是第三人称单数时，用does。如： What does Nancy do at weekends? 南希周末时干什么？ 答句：主语 + 动词三单形式 + ……。如： She usually watches films. 她通常看电影。 （2）主语是第一人称、第二人称、第三人称复数时，用do。如： What do you do at weekends? 你周末时干什么？ 答句：主语 + 动词 + ……。如： I always go swimming with my family. 我总是和我的家人游泳。 （3）询问别人“如何度周末”有多种表达方式，还可以这样问： How do you usually spend your weekends? 你通常如何过周末的？ What do you do at weekends? 你在周末做些什么？ 小练笔 单项选择。 ( )1. —______ does your mother do at weekends? —She often goes shopping. A. What B. How C. Where ( )2. He ______ plays basketball. He likes football. A. often B. usually C. never ( )3. —What do they do at weekends? —They ______ watch TV. A. are B. do C. often ( )4. —What does your sister do at weekends? —She ______ her homework. A. do B. does C. doing ( )5. —How do you spend your weekends? —I ______ with my friends. A. chat B. chats C. chatting 点拨 1. 答案：A 解析：What does sb. do…？用来询问某人做什么。what 什么；how 怎样；where 哪里。答句是做的事情，用What提问。 2. 答案：C 解析：never从不；often经常；usually通常。后句“他喜欢足球”，说明他从不打篮球。 3. 答案：C 解析：句子已有实义动词watch，不能再用are / do。often频率副词“经常”，放在实义动词watch前面。 4. 答案：B 解析：主语she是第三人称单数，一般现在时，动词要用三单形式does。do one’s homework 做家庭作业。 5. 答案：A 解析：主语是I，一般现在时，谓语动词用原形chat。 综合训练 一、用括号内单词的正确形式填空。 1. My father ______ (watch) TV after dinner every day. 2. They ______ (not go) to school on Saturdays. 3. —What ______ (do) your sister usually do at weekends? —She usually ______ (read) books. 4. Tom and his brother often ______ (play) football in the afternoon. 5. My mother ______ (have) a dancing lesson every Friday. 6. It ______ (rain) a lot in summer here. 7. The students ______ (clean) their classroom every morning. 8. —______ (do) your grandparents live in the city? —No, they ______ (live) in the countryside. 9. Lily sometimes ______ (go) shopping with her mother on Sundays. 10. He ______ (not like) eating fast food. He thinks it's not healthy. 二、单项选择。 ( )1. —______ do you do with your family at weekends? —We usually have a picnic. A. Where B. What C. How ( )2. My uncle ______ in Shanghai. He ______ to Beijing every year. A. live; go B. lives; goes C. lives; go ( )3. —Does your sister often read storybooks? —No, she ______. She likes drawing. A. doesn't B. don't C. isn't ( )4. We have a big dinner ______ the evening of Christmas Day. A. in B. on C. at ( )5. —______ do you visit your grandparents? —Once a month. A. How long B. How often C. How many ( )6. Tom ______ gets up late. He always goes to school early. A. sometimes B. usually C. never ( )7. There ______ a lot of beautiful flowers in the park ______ spring. A. are; in B. is; on C. are; at ( )8. —What ______ your mother ______ at weekends? —She often cooks delicious food. A. do; do B. does; do C. does; does ( )9. My brother ______ like playing basketball. He ______ plays it with his friends. A. doesn't; never B. don't; sometimes C. doesn't; often ( )10. We usually go swimming ______ weekends. A. at B. on C. Both A and B 三、句型转换。 1. He often does his homework in the evening.（改为一般疑问句） ______ he often ______ his homework in the evening? 2. They usually go to the park at weekends.（对划线部分提问） ______ ______ they usually ______ at weekends? 3. She has a music lesson every Monday.（改为否定句） She ______ ______ a music lesson every Monday. 4. I sometimes chat with my friends on the Internet.（对划线部分提问） ______ ______ do you chat with your friends on the Internet? 5. They usually watch TV with their family. (用 she 替换 they) She usually ______ TV with ______ family. 6. He goes to school at 7:30 every morning.（对划线部分提问） ______ ______ does he go to school every morning? 7. He does his homework carefully. (改为否定句) He ______ ______his homework carefully. 8. My sister likes playing the piano.（改为一般疑问句） ______ your sister ______ playing the piano? 9. Bill often visits his uncle at weekends. (划线提问) ________ does Bill often ________ at weekends? 四、补全对话/短文，选择合适的句子，补全对话。 Tom: Hi, Nancy. What do you do at weekends? Nancy: 1 I chat with them on the Internet too. Tom: That’s nice. 2 Nancy: Yes, I do. I often go there with my friends. 3 Tom: 4 Sometimes I have a picnic with my family. Nancy: 5 I like picnics too! A．What about you? B．I usually visit my grandparents. C．That sounds great! D．Do you often go to the cinema? E．I sometimes go climbing with my parents. 五、阅读判断，判断正(T)误(F)。 It is Saturday morning. Tim gets up early. He is very happy because he can do many things at the weekend. First, he visits his grandparents. They live near a beautiful park. Tim always chats with his grandpa on the Internet before he goes there. His grandma makes delicious food for him. In the afternoon, Tim goes to the park with his family. They have a picnic under a big tree. After lunch, Tim and his dad fly a kite. The kite flies high in the sky. Tim’s little sister Lily plays with their cat near the flowers. On Sunday, Tim goes climbing with his friends. They climb the hill behind their school. It is hard work, but they feel very happy. “I love weekends!” says Tim. 1. Tim visits his grandparents on Sunday. ( ) 2. Tim chats with his grandpa on the Internet before visiting. ( ) 3. Tim’s family have a picnic in the park. ( ) 4. Lily flies a kite with Tim in the park. ( ) 5. Tim goes climbing with his friends on Sunday. ( ) 参考答案 一、用括号内单词的正确形式填空。 1. watches 解析：every day一般现在时；主语My father是三单；watch以‑ch结尾，三单加‑es。句意：我爸爸每天晚饭后看电视。 2. don’t go 解析：主语They是复数，一般现在时否定用don’t+动词原形。句意：他们周六不上学。 3. does；reads 解析：主语your sister三单，疑问句助动词用does；答句主语she三单，read变reads。 句意：——你妹妹周末通常做什么？——她通常看书。 4. play 解析：主语Tom and his brother是两个人（复数），动词用原形。 5. has 解析：主语My mother三单；have不规则三单变化has。 6. rains 解析：主语It三单，一般现在时，rain变rains。句意：这儿夏天经常下雨。 7. clean 解析：主语The students是复数，动词用原形。 8. Do；live 解析：主语your grandparents复数，一般疑问句助动词用Do；后面动词用原形live。 9. goes 解析：主语Lily人名（三单）；go三单goes。 10. doesn’t like 解析：主语He三单，否定用doesn’t +动词原形like。 二、单项选择。 1. B 解析：答句是做的事情，用What提问“做什么”。Where问地点；How问方式。 2. B 解析：主语My uncle三单→lives；主语He三单→goes。 3. A 解析：Does引导一般疑问句，否定回答：No, 主语+doesn’t。 4. B 解析：具体某一天的早中晚，介词用on。on the evening of Christmas Day 在圣诞节的晚上。 5. B 解析：答句Once a month（一月一次）是频率，用How often多久一次提问。How long多长；How many多少。 6. C 解析：后句“他总是很早去上学”，说明他从不晚起。never从不；sometimes有时；usually通常。 7. A 解析：flowers复数，there be用are；季节前面介词用in。in spring 在春天。 8. B 解析：主语your mother三单，助动词does，助动词后实义动词变回原形do。 9. A 解析：主语My brother三单，否定doesn’t；根据前句“不喜欢打篮球”，选never（从不和朋友打）。 10. C 解析：at weekends（英式）/on weekends（美式）。 三、句型转换。 1. Does；do 解析：主语he三单，一般疑问句助动词Does放句首，动词does变回原形do。 2. What do；do 解析：对动作提问用What；主语they复数，助动词do，后面实义动词do。 3. doesn’t have 解析：主语she三单，否定doesn’t，have变回原形have。 4. How often 解析：sometimes（有时）是频率，用How often 多久一次提问。 5. watches；her 解析：she替换they，动词变三单watches；对应的形容词性物主代词her。 6. What time 解析：对时间点7:30提问用What time（几点）。 7. doesn’t do 解析：主语he三单，否定doesn’t，does变回原形do。 8. Does；like 解析：主语your sister三单，句首Does，likes变回原形like。 9. What；do 解析：对动作提问用What；助动词does后用动词原形do。 四、补全对话/短文，选择合适的句子，补全对话。 答案：1.B 2.D 3.E 4.A 5.C 解析： 1.B：问句“你周末做什么？”，回答周末活动“我通常看望祖父母”。 2.D：答句Yes, I do，说明上文是Do引导一般疑问句。 3.E：继续说自己周末的活动“我有时和父母去爬山”。 4.A：说完自己，询问对方：What about you? 你呢？ 5.C：对上一句“我和家人野餐”作出评价：That sounds great! 听起来很棒！ 五、阅读判断，判断正(T)误(F)。 答案：1.F 2.T 3.T 4.F 5.T 1. F 解析：原文It is Saturday morning. First, he visits his grandparents. 是周六，不是周日Sunday。 2. T 解析：Tim always chats with his grandpa on the Internet before he goes there. 在去之前和爷爷网上聊天。 3. T 解析：In the afternoon, Tim goes to the park with his family. They have a picnic under a big tree. 4. F 解析：Tim and his dad fly a kite；Lily是和猫玩，没有放风筝。 5. T 解析：On Sunday, Tim goes climbing with his friends. 学科网（北京）股份有限公司 $