Unit 6 How do we measure time(易错题专项练习·基础知识) 英语沪教版四年级下册(新教材)

2026-06-12
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学段 小学
学科 英语
教材版本 小学英语沪教版四年级下册
年级 四年级
章节 Unit 6 How do we measure time?
类型 题集-专项训练
知识点 -
使用场景 同步教学-单元练习
学年 2026-2027
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Unit 6 How do we measure time? 专题01 基础知识·易错题专项训练 1. 整点 / 半点 / 刻钟类时间表达 + 现在进行时描述当下活动 2. 时间单位可数名词单复数 3. 现在进行时 4. 现在进行时的特殊疑问句问答 5. 不定冠词 高频易错点、易错点提示、小练笔、答题点拨 易错精讲 高频易错点01 (1)It's half past eleven. The girl is having lunch.(P53) 整点 / 半点 / 刻钟类时间表达 + 现在进行时描述当下活动 时间表达基础规则 整点表达:基数词 + o'clock,如 nine o'clock(九点整) 半点表达:half past + 小时数,如 half past eleven(十一点半) 现在进行时结构:主语 + am/is/are + 动词现在分词,用来描述此刻正在发生的动作 易错点提示 1.时间表达易错: o'clock 只能用于整点,不能用于非整点,不能说 half past nine o'clock; half = 30 分钟,固定用half past + 小时,不能说 half to twelve; 2.现在进行时易错: 主语是单数名词 / 第三人称单数(the girl/he/she),be 动词要用is;主语是复数(they/we),be 动词要用are; 3.动词要正确变现在分词:have→having、sleep→sleeping、have→having(去 e 加 - ing),不能漏 be 动词或者直接用原形; 4.场景匹配易错:half past eleven(11:30)符合吃午饭 lunch 的场景,nine o'clock 夜晚时段才匹配睡觉 sleeping,下午三点适合上体育课,要注意时间和日常活动的合理性。 小练笔 一、单项选择 ( ) 1. It's ______. The boy is sleeping. A. ten o'clock B. ten past o'clock C. half ten ( ) 2. Look! They ______ a music class now. A. is having B. are having C. have ( ) 3. It's half past twelve. My mom ______ lunch. A. is cooking B. are cooking C. cook 二、用所给词正确形式填空 1.It's nine o'clock. He ______ (sleep) now. 2.It's half past three. We ______ (have) an art class. 三、英文翻译 十点半了,妹妹正在吃午饭。 It's ______ ______ ______. My sister ______ ______ lunch. 点拨 一、单项选择 1.答案:A 解析:只有整点才能用基数词+o'clock,B 格式错误;半点正确表达是 half past + 小时,C 错误。 2. 答案:B 解析:主语 they 是复数,be 动词用 are,现在进行时结构为 are+having,选 B。 3. 答案:A 解析:主语 my mom 是第三人称单数,be 动词用 is,现在分词用 cooking,选 A。 二、 1.is sleeping 解析:主语 he 是三单,now 提示现在进行时,be 动词用 is,sleep 变 sleeping。 2. are having 解析:主语 we 是复数,be 动词用 are,have 变 having。 三、 1.half past ten; is having 解析:十点半固定表达 half past ten;主语 my sister 是三单,现在进行时用 is having。 高频易错点02 A day has 24 hours. One hour has 60 minutes.(P54) 时间单位可数名词单复数 & 一般现在时三单变化 基础用法说明 1.时间单位名词:hour(小时)、minute(分钟)、second(秒) 都是可数名词,单数形式搭配单数谓语 has,复数形式搭配原形 have; 2.一般现在时规则:主语是单数名词(a day/one hour/one minute)时,谓语动词 have 要变为第三人称单数has;主语是复数名词 / 复数人称时,谓语用原形 have。 易错点提示 1.动词三单易错:一般现在时里,主语为单个的时间单位(one day/one hour 这类单数主语),谓语 have 必须变has,很多同学会误用原形 have,比如错写One hour have 60 minutes。 2.名词单复数易错:大于 1 的数字后,时间单位要用复数形式:24 hours、60 minutes、60 seconds,不能保留单数形式,比如错写24 hour。 3.country 复数变形易错:以 “辅音字母 + y” 结尾的名词,变复数要改 y 为 i 再加 - es,country→countries,不能直接加 s 写成 countrys。 4.情态动词 may 用法易错:may 是情态动词,后面必须接动词原形 have,不能变形为 has,比如正确写法People may have different time,不能写may has。 小练笔 一、单项选择 ( ) 1. One minute ______ 60 seconds. A. have B. has C. is have ( ) 2. There are 24 ______ in a day. A. hour B. hours C. hour's ( ) 3. People from different ______ may have different time. A. country B. countrys C. countries ( ) 4. He ______ have lunch at 12:00. A. may B. mays C. mayes 二、用所给词的正确形式填空 1.A week ______ (have) 7 days. 2.Two ______ (hour) = 120 minutes. 3.We ______ (have) 8 lessons every day. 4.Different ______ (city) have different rules. 点拨 一、单项选择 1.答案:B 解析:主语 One minute 是单数,一般现在时谓语 have 要变为三单形式 has。 2.答案:B 解析:24 大于 1,可数名词 hour 要使用复数形式 hours。 3. 答案:C 解析:different 后接可数名词复数,country 辅音 + y 结尾,变 y 为 i 加 es,复数是 countries。 4. 答案:A 解析:情态动词 may 没有人称和数的变化,不存在 mays/mayes 的变形,后接动词原形 have。 二、词形填空 1.has 解析:主语 A week 是单数,谓语 have 变三单 has。 2. hours 解析:Two 大于 1,hour 变为复数 hours。 3. have 解析:主语 We 是复数人称,谓语动词用原形 have。 4. cities 解析:different 后接复数名词,city 辅音 + y 结尾,变 y 为 i 加 es,复数是 cities。 高频易错点03 Children are getting ready for school.(P54) 现在进行时描述同一时刻正在发生的动作 基础结构说明 现在进行时的标准结构:主语 + am/is/are + 动词现在分词,用来表示此时此刻 / 同一时间段内正在进行的动作,常搭配语境提示(如文中at the same time)。 主语为复数(children/people),be 动词用are; 主语为单数 / 不可数名词,be 动词用is; I 作主语时,be 动词用am。 易错点提示1 💡易错点提示 1.be 动词匹配易错:很多同学会忽略主语单复数乱用 be 动词,比如错写Children is getting ready、People is going to the park,复数主语必须搭配 are。 2.现在分词变形易错: 以不发音 e 结尾的动词,要去 e 再加 - ing:take→taking、prepare→preparing; 重读闭音节双写末尾辅音再加 - ing:get→getting、run→running; 不能直接给动词原形加 s 或 ed 来表正在进行的动作。 3.固定搭配易错:get ready for + 名词(为…… 做准备),容易误写成get ready to school,to后面要接动词原形,for后面才接名词。 4.语境时态混淆:描述日常习惯用一般现在时,描述此刻同一时间正在做的事必须用现在进行时,不能混用时态,比如文中北京早上 7 点各地同步发生的行为,要用现在进行时。 小练笔 一、单项选择 ( )1. Look! The children ______ ready for the picnic now. A. is getting B. are getting C. get ( ) 2. Some people ______ to the gym to do exercise at this moment. A. are travelling B. is travelling C. travels ( ) 3. It's 7 a.m. My sister ______ for school. A. get ready B. gets ready C. is getting ready ( ) 4. We are getting ready ______ the coming party. A. for B. to C. at 二、用所给动词的正确形式填空 1.Some people ______ (do) exercise in the park now. 2.My mum ______ (cook) breakfast for us at 7 o'clock this morning. 3.He ______ (travel) to his office at the same time every weekday. 4.They ______ (not watch) TV at this moment. They are doing homework 点拨 一、单项选择 1.答案:B 解析:主语the children是复数,now 提示现在进行时,be 动词用 are,搭配现在分词 getting。 2. 答案:A 解析:主语some people是复数,at this moment 提示此刻正在进行,be 动词用 are。 3. 答案:C 解析:当前早上 7 点这个具体时刻,描述正在进行的动作,用现在进行时 is getting ready;B 是一般现在时,用于描述长期日常习惯。 4. 答案:A 解析:固定搭配get ready for + 名词,表示 “为某事做准备”,the coming party 是名词短语,用 for。 二、用所给动词的正确形式填空 1.are doing 解析:now 提示现在进行时,主语 some people 为复数,be 动词用 are,do 变 doing。 2. is cooking 解析:this morning 的 7 点这个具体时刻,描述当时正在做的事,主语 my mum 是单数,be 动词用 is,cook 变 cooking。 3. travels 解析:every weekday 提示是日常重复的习惯,用一般现在时,主语 he 是第三人称单数,travel 变为 travels。 4. aren't watching 解析:at this moment 提示现在进行时的否定形式,主语 they 搭配 are,否定缩写 aren't,watch 变 watching。 高频易错点04 It's seven o'clock in the morning in Beijing. What's the girl doing? She's getting ready for school. (P56) 现在进行时的特殊疑问句问答 基础用法说明 现在进行时用来描述此刻某个时间点正在发生的动作: 问句结构:What + be动词 + 主语 + 动词现在分词? 答句结构:主语 + be动词 + 动词现在分词 + 其他be 动词要根据主语人称 / 单复数变化:单数主语(the girl/he/she)用 is,复数主语用 are,I 用 am。 易错点提示 💡易错点提示 1.be 动词搭配易错单数人物主语(the girl/my mother 等)be 动词必须用 is,很多同学会误用 are,错写成What're the girl doing?;答句也要对应用 She's (She is)。 2.现在分词变形易错以不发音的字母 e 结尾的动词,变现在分词要去 e 加 - ing:get → getting、make → making,不能直接加 ing 写成 getting;重读闭音节要双写末尾辅音再加 - ing。 3.固定搭配易错get ready for + 名词 表示 “为…… 做准备”,for 后接名词;如果接动词原形要用get ready to do,容易混淆写成get ready to school。 4.时态场景混淆易错有明确具体时刻(seven o'clock、now、at this moment)时,要用现在进行时强调动作正在发生,不能误用一般现在时,比如不能说She gets ready for school来描述此刻行为。 小练笔 一、单项选择 ( ) 1. What ______ the boy doing at eight o'clock? A. is B. are C. am ( ) 2. Look! He's ______ ready for the football match. A. get B. getting C. geting ( ) 3. My sister is getting ready ______ her English test. A. for B. to C. at ( ) 4. It's 9 p.m. ______ is your father doing? A. How B. What C. Where 二、用所给动词的正确形式填空 1.The girl ______ (get) ready for school at seven every morning. 2.Look! The girls ______ (get) ready for the show now. 3.—What ______ (be) you doing?—I ______ (be) getting ready for dinner. 4.He ______ (not sleep) now. He's doing his homework. 点拨 一、单项选择 1.答案:A 解析:主语 the boy 是单数第三人称,be 动词用 is。 2. 答案:B 解析:现在进行时结构 be + 现在分词,get 要双写 t 再加 - ing 变为 getting,C 拼写错误。 3. 答案:A 解析:固定搭配 get ready for + 名词,her English test 是名词短语,用 for。 4. 答案:B 解析:询问 “某人正在做什么” 用特殊疑问词 What。 二、用所给动词的正确形式填空 1.gets 解析:every morning 表示日常习惯性动作,用一般现在时,主语 the girl 是三单,动词 get 变为 gets。 2. are getting 解析:now 提示现在进行时,主语 the girls 是复数,be 动词用 are,get 变 getting。 3. are; am 解析:主语 you 搭配 be 动词 are;主语 I 搭配 be 动词 am。 4. isn't sleeping 解析:now 提示现在进行时否定形式,主语 he 是三单,be 动词用 is,否定缩写 isn't,sleep 变 sleeping。 高频易错点05 This is a sundial. / This is an hourglass.(P60) 不定冠词 a/an 区分 + 可数名词单复数 + 一般现在时谓语变形 基础用法说明 不定冠词规则:a 用于辅音音素开头单词前;an 用于元音音素开头单词前。 一般现在时:单数主语(the sun /it)作主语,谓语动词使用第三人称单数形式;复数主语谓语用原形。 可数名词复数:clock→clocks,watch以 ch 结尾,复数加 es→watches。 易错点提示 1.a/an 混用易错 sundial辅音音素开头,用 a;hourglass单词 h 不发音,首音为元音音素,必须用 an,易错写成 a hourglass。 2.三单动词变形易错 主语 the sun、it 为单数,谓语动词要变三单:make→makes、fall→falls,很多同学直接用动词原形。 3.名词复数变形易错 watch手表,词尾是 - ch,复数要加 - es,正确形式 watches,易错写成 watchs;clock 直接加 s 即可。 4.代词指代混淆 sundial 依靠太阳工作,阴天无法使用,代词 it 指代日晷,不能随意替换成 they。 5.in the past 时态易错 “In the past(在过去)” 描述过去行为,谓语动词要用过去式 used,不能用原形 use。 小练笔 1、 单项选择 ( ) 1. This is ______ hourglass. A. a B. an C. two ( ) 2. The sun ______ a shadow on the sundial. A. make B. makes C. making ( ) 3. We can see some ______ and ______ in the old shop. A. clock; watch B. clocks; watches C. clocks; watchs ( ) 4. People ______ sundials to tell time long long ago. A. use B. uses C. used 二、用所给词正确形式填空 1.This ______ (be) a sundial. It ______ (not work) on rainy days. 2.The sand ______ (fall) down in the hourglass. 3.There are two old ______ (clock) and three ______ (watch) on the table. 4.In the past, people ______ (use) different tools to tell the time. 点拨 一、单项选择 1.答案:B 解析:hourglass 首音是元音音素,不定冠词用 an。 2.答案:B 解析:主语 the sun 是单数第三人称,一般现在时谓语动词用三单 makes。 3.答案:B 解析:some 后接可数名词复数;clock 复数 clocks;watch 词尾 ch,复数加 es 为 watches。 4.答案:C 解析:long long ago(很久以前)是过去时间标志,动词用过去式 used。 二、词形填空 1.is; doesn't work 解析:this 对应 be 动词 is;it 是三单,否定借助 doesn't,后接动词原形 work。 2.falls 解析:主语 the sand 为不可数名词,视作单数,谓语动词变三单 falls。 3.clocks; watches 解析:数词 two、three 后都用复数,clock 直接 + s,watch+es。 4.used 解析:in the past 表示过去,谓语动词 use 变为过去式 used。 综合训练 一、Read and complete(读一读,根据提示,选择正确的内容填空) 1.Look at the clock. It shows 9:30 p.m. Tom is in his bedroom. —What ________ (are you/is he) doing? —He ________ (reads/is reading) a book. 2.It's 7:00 a.m. in Shanghai. Lucy's school bus will arrive at 7:30 a.m. Right now, Lucy ________ (is getting/gets) ready for school. 3.Mum calls Dad. Dad says, "The sun is setting, and I'm walking home." Mum looks at her phone. It shows 6:00 p.m. —What time ________ (is it/it is) now? —It is 6 o'clock in the ________ (morning/afternoon). 4.The table has bowls of fruit, but no rice or dishes. The kids are sitting around the table with apples in their hands. They ________ (are not/do not) having dinner. They ________ (eat/are eating) fruit. 5.Lily points at a watch and says to her sister, "Look! It's 3:15 now." —What ________ (is/does) Lily doing? —She ________ (tells/is telling) the time. 二、Think and choose(选择填空) ( ) 1) —What ____ you ____ now? —I am making a pie. A. are; doing B. is; doing C. do; do ( ) 2) It's 7 p.m. in my city. My family ____ dinner. A. have B. has C. are having ( ) 3) —What time is it ____ New York? —It's 3 p.m. A. on B. in C. at ( ) 4) She ____ checking the time. She is washing clothes. A. isn't B. doesn't C. don't ( ) 5) —What is your dad doing? —He ____ my mum. A. helps B. is helping C. help ( ) 6) We usually get ready for school ____ 7:30 a.m. A. in B. at C. on ( ) 7) —____ are they doing in the park? —They are doing exercise. A. What B. Where C. When ( ) 8) There are 60 ____ in one hour. A. hours B. minutes C. seconds ( ) 9) —Is he using a sundial? —No, he ____. He is using a clock. A. isn't B. doesn't C. can't ( ) 10) It's 9 p.m. We ____ sleeping. We are watching TV. A. are B. aren't C. don't 三、Read and order(读一读,按时间给句子排序) ( ) It's late at night. Tom is going to bed. ( ) It's 7 a.m. Tom is getting ready for school. ( ) Tom is playing football with his friends in the afternoon. ( ) Now he is having lunch at school. ( ) It's 7 p.m. He is doing his homework at home. 四、Read and complete(读短文,完成任务) Different times, different things Hello! I'm Wu Wei. I live in Shanghai. It's 8 a.m. now. I am having breakfast. My friends live in different countries. Let's see what they are doing. Hans lives in New York. It's 7 p.m. there. He is playing the guitar. Mary lives in London. It's 12 a.m. there. She is sleeping. Luke lives in Australia. It's 11 a.m. there. He is helping his mum washing dishes. Yuki lives in Tokyo. It's 9 a.m. there. She is writing a story. A. Read and judge(读一读,判断正误,用 “T” 或 “F” 表示) ( ) 1) It's 8 a.m. in Shanghai. Wu Wei is having breakfast. ( ) 2) It's 7 p.m. in New York. Hans is reading books. ( ) 3) It's 11 a.m. in Australia. Luke is making cakes. ( ) 4) It's 9 a.m. in Tokyo. Yuki is writing a story. B. Read and answer(读一读,回答问题) 1.What is Wu Wei doing at 8 a.m. in Shanghai? _________________________________________________ 2. Is Hans washing dishes in New York? _________________________________________________ 3.What time is it in London when Mary is sleeping? _________________________________________________ 参考答案 一、Read and complete 1.答案:is he;is reading 解析:后文主语 Tom 是男生单数,问句 be 动词用 is,主语用 he;具体时间 9:30 p.m.,强调此刻正在做的事,用现在进行时 is reading。 2.答案:is getting 解析:Right now(此刻)是现在进行时标志,结构 be+doing,主语 Lucy 为单数,填 is getting。 3.答案:is it;afternoon 解析:询问几点钟固定句型 What time is it?;6:00 p.m. 是下午,afternoon 下午,morning 早上。 4.答案:are not;are eating 解析:having 是现在分词,前面只能用 be 动词否定 are not,不能用助动词 do not;场景为当下,用现在进行时 are eating。 5.答案:is;is telling 解析:现在进行时特殊疑问句式:What + be + 主语 + doing?主语 Lily 单数用 is;答句同步用现在进行时 is telling。 二、Think and choose 1.答案:A 解析:now 是现在进行时标志,主语 you 搭配 be 动词 are,动词用 doing 形式。 2.答案:C 解析:晚上 7 点是具体时刻,家人正在吃晚饭,现在进行时 are having。 3. 答案:B 解析:大地点(城市、国家)前介词用 in。 4. 答案:A 解析:checking 是现在分词,前面需要 be 动词构成进行时否定,主语 she 用 isn't。 5. 答案:B 解析:问句用现在进行时,答句时态保持一致,用 is helping。 6. 答案:B 解析:具体几点几分前介词固定用 at。 7. 答案:A 解析:答句 “他们在锻炼”,问句询问正在做什么,疑问词用 What。 8. 答案:B 解析:常识:1 小时 = 60 分钟,minute 复数 minutes。 9. 答案:A 解析:一般疑问句 Is he...? 否定回答固定 No, he isn't. 10. 答案:B 解析:后句 “我们在看电视”,说明没有在睡觉,现在进行时否定用 aren't。 三、Read and order 最终序号从上到下:5、1、3、2、4 解析:按照一天时间先后排序: 早上 7 点准备上学 →2. 在校吃午饭 →3. 下午踢足球 →4. 晚上 7 点写作业 →5. 深夜上床睡觉。 四、Read and complete A. Read and judge 1.T 解析:原文 “It's 8 a.m. now. I am having breakfast.” 描述完全一致。 2. F 解析:Hans 正在弹吉他 playing the guitar,不是看书 reading books。 3. F 解析:Luke 在帮妈妈洗碗 washing dishes,不是做蛋糕 making cakes。 4. T 解析:原文 “It's 9 a.m. there. She is writing a story.” 描述一致。 B. Read and answer 1.答案:He is having breakfast. 解析:原文直接对应句子 I am having breakfast. 2. 答案:No, he isn't. 解析:Hans 在弹吉他,没有洗碗,做否定回答。 3. 答案:It's 12 a.m. 解析:原文 Mary 所在伦敦时间为 12 a.m.。 第 1 页 共 18 页 学科网(北京)股份有限公司 $

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Unit 6 How do we measure time(易错题专项练习·基础知识) 英语沪教版四年级下册(新教材)
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Unit 6 How do we measure time(易错题专项练习·基础知识) 英语沪教版四年级下册(新教材)
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Unit 6 How do we measure time(易错题专项练习·基础知识) 英语沪教版四年级下册(新教材)
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