Unit 4 Once upon a Time单元重点易错专项训练2026-2027学年鲁教版（五四学制）英语七年级上册

**基本信息** 以故事类文本为载体，聚焦9大核心考点，通过“易错速记+三层训练”构建从基础语法到综合应用的系统性方法体系，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| |----|-----------|----------|----------| |9大考点|每考点基础+提升+拓展各3题|含规则总结（如动词变化）、易错点辨析（如lie/lay）、解题技巧（如否定句结构）|以一般过去时为核心，延伸时间状语、动词短语、连词等，形成“语法规则-语境应用-综合表达”递进逻辑|

Unit 4 Once upon a Time · 单元重点易错专项训练 鲁教版（2026·五四学制）七年级上册 Unit 4 Once upon a Time 单元重点易错专项训练 （9大考点 · 基础+提升+拓展 三层训练 · 附详细解析） ★ 考点一：一般过去时（规则/不规则动词变化） ★ ⚠ 易错速记：① 全文故事用一般过去时叙述过去发生的事；② 规则变化：直接加ed（laugh→laughed/look→looked）；去e加d（decide→decided）；辅音+y变i加ed（cry→cried）；③ 不规则强记：catch→caught/come→came/go→went/break→broke/tell→told/bite→bit/hide→hid/set→set/lay→laid/die→died/lose→lost/say→said/let→let/make→made；④ 易错：lied撒谎（规则）≠ lay放置（不规则laid）；⑤ 全文故事均用过去时 ▷ 基础题（选择题） ▷（ ）1. Once upon a time, a lion ______ a mouse. A. catch B. catches C. caught D. catching ▷（ ）2. The fisherman ______ the fish free yesterday. A. set B. sets C. setting D. setted ▷（ ）3. The ugly duckling ______ well in the river. A. swim B. swam C. swum D. swimming ◇ 提升题（选择题） ◇（ ）1. The mouse ______ through the net and saved the lion. A. bite B. bit C. bitten D. biting ◇（ ）2. The emperor's new clothes ______ everyone laugh. A. make B. makes C. made D. making ◇（ ）3. The farmer's horse ______ away last week. A. run B. runs C. ran D. running ★ 拓展题（用适当形式填空） ★（ ）1. The lion __________ (catch) the mouse in the forest. ★（ ）2. She __________ (hide) behind the tree and nobody found her. ★（ ）3. The old king __________ (die) many years ago. ★ 考点二：一般过去时否定句与疑问句（didn't + 原形 / Did 提前） ★ ⚠ 易错速记：① 否定句：主语 + didn't + 动词原形（× didn't went → ✓ didn't go）；② 疑问句：Did + 主语 + 动词原形...?（× Did he went? → ✓ Did he go?）；③ 回答：Yes, 主语 + did. / No, 主语 + didn't.；④ 易错：didn't 后必须接动词原形；set的过去式仍是set（不是setted）；lie撒谎→lied（规则）；⑤ 否定转移：I didn't think... ▷ 基础题（选择题） ▷（ ）1. — Did the lion let the mouse go? — Yes, he ______. A. does B. did C. was D. is ▷（ ）2. Jam ______ to school yesterday because he was ill. A. doesn't go B. didn't went C. didn't go D. doesn't went ▷（ ）3. — ______ you like the story? — No, I didn't. A. Do B. Does C. Did D. Are ◇ 提升题（选择题） ◇（ ）1. The emperor ______ see the clothes, but he said they were beautiful. A. can B. could C. couldn't D. isn't ◇（ ）2. — Did Chen Wu finish his homework? — No, he ______. A. isn't B. doesn't C. didn't D. wasn't ◇（ ）3. Lily ______ tell the truth at first because she was afraid. A. doesn't B. didn't C. don't D. wasn't ★ 拓展题（用适当形式填空） ★（ ）1. He __________ (not like) the story because it was too sad. ★（ ）2. __________ (do) the fisherman catch a golden fish? ★（ ）3. The duckling __________ (not can) purr or lay eggs. ★ 考点三：故事时间状语辨析（once upon a time / long ago / yesterday / last / ago） ★ ⚠ 易错速记：① once upon a time（从前）= long ago，用于故事开头；② yesterday / last night / last week / ...ago 均配一般过去时；③ 易错：this morning 看语境（今天早上已过去→过去时；今天早上还没到→将来时）；④ just now = a moment ago = 刚才（过去时标志）；⑤ in the past / at first / in the end 故事常用时间词；⑥ 一般过去时标志词：yesterday/last.../...ago/just now/in 1990 ▷ 基础题（选择题） ▷（ ）1. ______ upon a time, there was a poor fisherman. A. Since B. On C. Once D. From ▷（ ）2. The farmer's horse came back ______ days later. A. sometimes B. some time C. some times D. sometime ▷（ ）3. I read this story ______ last night. A. / B. in C. at D. on ◇ 提升题（选择题） ◇（ ）1. ______ ago, a farmer lost his horse in Kunming. A. Some time B. Sometime C. Sometimes D. Some times ◇（ ）2. The boy broke his leg when he ______ to ride a horse. A. tries B. tried C. trying D. will try ◇（ ）3. ______ first, the duckling was very sad. But ______ the end, he became a swan. A. At; in B. In; at C. On; in D. At; on ★ 拓展题（用适当形式填空） ★（ ）1. __________ (long) ago, there lived a wise king in Jinan. ★（ ）2. The story happened three days __________ (ago). ★（ ）3. __________ (at) first, nobody believed the little boy. ★ 考点四：核心动词辨析（promise / decide / realize / appear / disappear） ★ ⚠ 易错速记：① promise to do（承诺做某事）：The mouse promised to help.；make a promise（许诺）/ keep a promise（守信）/ break a promise（食言）；② decide to do（决定做某事）：decide → decision（n.）；③ realize + that从句（意识到）：He realized he was wrong.；④ appear（出现）= come out / disappear（消失）= go away；⑤ 易错：promise to do不是doing；decide to do不是doing；realize后接that从句不是to do；⑥ lie to sb（撒谎）/ tell the truth（说实话） ▷ 基础题（选择题） ▷（ ）1. The mouse ______ to help the lion one day. A. promise B. promised C. promising D. promises ▷（ ）2. Chen Wu ______ to study harder after the exam. A. decide B. decides C. decided D. deciding ▷（ ）3. The emperor ______ that he could see nothing. A. realize B. realizing C. realized D. realizes ◇ 提升题（选择题） ◇（ ）1. The brothers ______ to the emperor about the magic clothes. A. lie B. lies C. lied D. lying ◇（ ）2. Suddenly, the genie ______ from the bottle. A. appear B. appeared C. disappearing D. appears ◇（ ）3. The fisherman made a ______ to set the fish free. A. decide B. decision C. promising D. appear ★ 拓展题（用适当形式填空） ★（ ）1. She __________ (promise) to come to the party. ★（ ）2. They __________ (realize) the truth at last. ★（ ）3. The swan __________ (appear) on the lake suddenly. ★ 考点五：核心短语（set free / search for / laugh at / instead of / tell the truth） ★ ⚠ 易错速记：① set...free（释放）= set free，set过去式仍是set；② search for（寻找）= look for，search是动词；③ laugh at（嘲笑）= make fun of，at是介词后接名词/代词/doing；④ instead of（代替/而不是），of是介词后接名词/doing；⑤ tell the truth（说实话）= be honest；⑥ 易错：search for+名词（× search the duckling → ✓ search for the duckling）；laugh at后接宾格（laugh at him不是he）；instead of+doing；⑦ to one's surprise（令某人惊讶的是） ▷ 基础题（选择题） ▷（ ）1. The mouse helped the lion and ______ him free. A. set B. setted C. seted D. sets ▷（ ）2. The other ducklings always ______ the ugly duckling. A. laugh B. laugh at C. laugh to D. laugh for ▷（ ）3. He went to Jinan ______ going to Kunming. A. instead B. instead of C. instead to D. instead for ◇ 提升题（选择题） ◇（ ）1. The duckling ______ a new home because he was sad. A. searched B. searched for C. looked D. found ◇（ ）2. To everyone's ______, the ugly duckling became a swan. A. surprised B. surprising C. surprise D. surprises ◇（ ）3. The boy decided to ______ instead of lying. A. tell truth B. tell the truth C. say truth D. talk truth ★ 拓展题（用适当形式填空） ★（ ）1. The fisherman __________ (set) the fish free. ★（ ）2. They __________ (search) for the lost treasure everywhere. ★（ ）3. Don't __________ (laugh) at people who look different. ★ 考点六：形容词变副词规则（-ly）及 good → well ★ ⚠ 易错速记：① 规则：quick→quickly/brave→bravely/wise→wisely/sad→sadly；② 辅音+y变i加ly：happy→happily/heavy→heavily/angry→angrily；③ 易错：good→well（不规则，不是goodly）；hard（努力）≠ hardly（几乎不）；real→really（reallly×）；④ 以le结尾去e加y：possible→possibly/terrible→terribly；⑤ 形容词修饰名词/系动词后；副词修饰动词/形容词/整个句子；⑥ suddenly = all of a sudden（突然） ▷ 基础题（选择题） ▷（ ）1. The lion laughed ______ and let the mouse go. A. happy B. happily C. hapily D. happied ▷（ ）2. The ugly duckling swam ______ in the river. A. good B. well C. better D. best ▷（ ）3. She can dance ______. She is a ______ dancer. A. beautiful; beautifully B. beautifully; beautiful C. beautiful; beautiful D. beautifully; beautifully ◇ 提升题（选择题） ◇（ ）1. He worked ______ but still ______ the exam. A. hard; failed B. hardly; failed C. hard; fail D. hardly; fail ◇（ ）2. The emperor ______ believed the brothers' words. A. fool B. foolish C. foolishly D. fooled ◇（ ）3. ______, a boy shouted the truth in the street. A. Sudden B. Suddenly C. All of a sudden D. B and C ★ 拓展题（用适当形式填空） ★（ ）1. The wise old man spoke __________ (wise) to the king. ★（ ）2. She sang the song __________ (beautiful) at the party. ★（ ）3. He could __________ (real) swim very fast. ★ 考点七：品质形容词辨析（brave / wise / silly / ugly / afraid / honest） ★ ⚠ 易错速记：① brave（勇敢的）反义词afraid（害怕的）：be afraid to do（不敢做）/ be afraid of doing（担心结果）；② wise（明智的）反义词silly（愚蠢的）：the wise emperor / a silly idea；③ ugly（丑陋的）反义词beautiful：the ugly duckling；④ honest（诚实的）= tell the truth：be honest with sb；⑤ 易错：brave前加un-不是im-（× imbrave → ✓ brave enough）；afraid只作表语（× an afraid boy → ✓ a frightened boy）；⑥ powerful（强大的）/ rich（富有的） ▷ 基础题（选择题） ▷（ ）1. The lion was ______ and let the mouse go. A. afraid B. brave C. silly D. ugly ▷（ ）2. The ugly duckling was very ______ of the other birds. A. brave B. wise C. afraid D. honest ▷（ ）3. It is ______ to buy clothes that you never wear. A. wise B. brave C. silly D. honest ◇ 提升题（选择题） ◇（ ）1. The farmer was ______ enough to say "Maybe" every time. A. silly B. ugly C. afraid D. wise ◇（ ）2. No one wanted to look ______ in front of the emperor. A. brave B. wise C. silly D. powerful ◇（ ）3. The boy was ______ and told the truth about the emperor. A. afraid B. honest C. silly D. ugly ★ 拓展题（用适当形式填空） ★（ ）1. The little duckling felt __________ (afraid) of the big birds. ★（ ）2. It was a very __________ (silly) idea to spend all his money. ★（ ）3. The queen was __________ (beauty) and kind to everyone. ★ 考点八：连词 when / while / but / because / so 辨析 ★ ⚠ 易错速记：① when（当…时）可接短暂/延续动词：When he tried to ride...；② while（在…期间）接延续动词+进行时：While he was walking...；③ but（但是）表转折：The clothes were ugly, but everyone praised them.；④ because（因为）表原因：He was afraid because...；⑤ so（所以）表结果：He was lazy, so he failed.；⑥ 易错：but不与though/although连用；because不与so连用（× Because...so... → ✓ Because.../...so...）；⑦ when和while区别：when可接非延续性动词，while只接延续性动词 ▷ 基础题（选择题） ▷（ ）1. The lion was sleeping ______ the mouse ran across his face. A. while B. when C. because D. so ▷（ ）2. The emperor couldn't see the clothes, ______ he said they were beautiful. A. and B. but C. so D. because ▷（ ）3. The mouse helped the lion ______ he promised to do so. A. and B. but C. because D. so ◇ 提升题（选择题） ◇（ ）1. ______ the duckling was swimming, the other ducks laughed at him. A. When B. While C. Because D. So ◇（ ）2. He was poor, ______ he was happy with his life. A. and B. but C. so D. because ◇（ ）3. The fisherman set the fish free, ______ it promised to help him. A. and B. but C. because D. so ★ 拓展题（用适当形式填空） ★（ ）1. The boy cried __________ (when) he saw the dead bird. ★（ ）2. She was late __________ (because) she missed the bus. ★（ ）3. The story was sad __________ (but) it taught us a lesson. ★ 考点九：综合（感叹句 What/How / 间接引语 / 故事叙述写作） ★ ⚠ 易错速记：① 感叹句：What + a/an + adj. + 单数n.！（What an ugly duckling!）；What + adj. + 复数/不可数n.！（What beautiful feathers!）；How + adj./adv.！（How silly! / How well he swims!）；② 间接引语：He said, "I will help you." → He said that he would help him.；③ 易错：What修饰名词/How修饰形容词副词；said后接that从句（that可省）；④ 讲故事框架：Once upon a time.../Long ago...→ The story tells us that.../ We learn that...；⑤ In the end / At last 故事结尾常用；⑥ Unlucky things may turn out well. 坏事可能变好 ▷ 基础题（选择题） ▷（ ）1. ______ an ugly duckling he was at first! A. How B. What C. What a D. What an ▷（ ）2. ______ beautiful the swans are! A. How B. What C. What a D. What an ▷（ ）3. The mouse said he ______ help the lion one day. A. will B. would C. can D. is ◇ 提升题（选择题） ◇（ ）1. ______ kind the fisherman was to set the fish free! A. What B. How C. What a D. What an ◇（ ）2. She told me that she ______ the story many times. A. reads B. read C. has read D. had read ◇（ ）3. ______ wonderful clothes the emperor bought! A. How B. What C. What a D. What an ★ 拓展题（用适当形式填空） ★（ ）1. __________ (what) a clever boy he is! ★（ ）2. __________ (how) well the ugly duckling swam! ★（ ）3. He said that he __________ (be) afraid of nothing. 📖 参考答案与详细解析 ◎ 考点一：一般过去时（规则/不规则动词变化） 【基础题】 1. Once upon a time, a lion ______ a mouse. 答案：C。解析：catch的过去式是不规则变化caught，故事叙述用一般过去时。 2. The fisherman ______ the fish free. 答案：A。解析：set的过去式仍是set（不规则，原形=过去式=过去分词）。 3. The ugly duckling ______ well. 答案：B。解析：swim的过去式是不规则变化swam，不是swum（过去分词）。 【提升题】 1. The mouse ______ through the net. 答案：B。解析：bite的过去式是不规则变化bit，bitten是过去分词。 2. The emperor's new clothes ______ everyone laugh. 答案：C。解析：故事用一般过去时，make的过去式是made。 3. The farmer's horse ______ away. 答案：C。解析：run的过去式是不规则变化ran。 【拓展题】 1. caught 答案：caught。解析：catch的过去式是不规则变化caught。 2. hid 答案：hid。解析：hide的过去式是不规则变化hid，hidden是过去分词。 3. died 答案：died。解析：die的过去式是规则变化died（去e加d）。 ◎ 考点二：一般过去时否定句与疑问句 【基础题】 1. — Did the lion let the mouse go? 答案：B。解析：Did开头的一般疑问句，肯定回答用Yes, 主语+did. 2. Jam ______ to school yesterday. 答案：C。解析：否定句didn't后接动词原形go，yesterday是过去时标志。 3. — ______ you like the story? 答案：C。解析：根据答语I didn't，问句用Did开头。 【提升题】 1. The emperor ______ see the clothes. 答案：C。解析：couldn't是can的过去否定，后接动词原形see。 2. — Did Chen Wu finish his homework? 答案：C。解析：Did开头的一般疑问句，否定回答用No, 主语+didn't. 3. Lily ______ tell the truth at first. 答案：B。解析：根据because she was afraid判断用一般过去时，否定用didn't+原形。 【拓展题】 1. didn't like 答案：didn't like。解析：一般过去时否定用didn't+动词原形like。 2. Did 答案：Did。解析：一般过去时疑问句用Did+主语+动词原形。 3. couldn't 答案：couldn't。解析：can的过去式是could，否定为couldn't+动词原形。 ◎ 考点三：故事时间状语辨析 【基础题】 1. ______ upon a time, there was a poor fisherman. 答案：C。解析：Once upon a time是固定搭配，意为"从前"，用于故事开头。 2. The farmer's horse came back ______ days later. 答案：D。解析：sometime表示"某个时候"，符合语境"几天后的某个时候"。 3. I read this story ______ last night. 答案：A。解析：last night前不加介词，直接用作时间状语。 【提升题】 1. ______ ago, a farmer lost his horse. 答案：A。解析：Some time ago意为"一段时间以前"，some time表示"一段时间"。 2. The boy broke his leg when he ______ to ride. 答案：B。解析：when引导的时间状语从句，主句broke是过去时，从句也用过去时tried。 3. ______ first... But ______ the end... 答案：A。解析：At first（起初）和in the end（最后）都是固定搭配。 【拓展题】 1. Long 答案：Long。解析：Long ago意为"很久以前"，常用于故事开头。 2. ago 答案：ago。解析：...ago表示"…以前"，three days ago三天前。 3. At 答案：At。解析：At first是固定短语，意为"起初/开始"。 ◎ 考点四：核心动词辨析（promise/decide/realize/appear/disappear） 【基础题】 1. The mouse ______ to help the lion. 答案：B。解析：promise to do sth承诺做某事，故事用一般过去时promised。 2. Chen Wu ______ to study harder. 答案：C。解析：decide to do sth决定做某事，过去式decided。 3. The emperor ______ that he could see nothing. 答案：C。解析：realize后接that从句，过去式realized。 【提升题】 1. The brothers ______ to the emperor. 答案：C。解析：lie（撒谎）的过去式是规则变化lied，不是lay（放置）。 2. Suddenly, the genie ______ from the bottle. 答案：B。解析：appear（出现）的过去式是appeared。 3. The fisherman made a ______ to set the fish free. 答案：B。解析：make a decision是固定搭配，decision是decide的名词形式。 【拓展题】 1. promised 答案：promised。解析：promise to do承诺做某事，一般过去时用promised。 2. realized 答案：realized。解析：realize后接that从句，过去式realized。 3. appeared 答案：appeared。解析：appear的过去式是规则变化appeared。 ◎ 考点五：核心短语（set free/search for/laugh at/instead of/tell the truth） 【基础题】 1. The mouse helped the lion and ______ him free. 答案：A。解析：set...free释放，set的过去式仍是set。 2. The other ducklings always ______ the ugly duckling. 答案：B。解析：laugh at嘲笑，at是介词后接宾语。 3. He went to Jinan ______ going to Kunming. 答案：B。解析：instead of代替/而不是，of是介词后接doing。 【提升题】 1. The duckling ______ a new home. 答案：B。解析：search for寻找，for不可省略，故事用过去时searched for。 2. To everyone's ______, the duckling became a swan. 答案：C。解析：To one's surprise令某人惊讶的是，surprise用名词形式。 3. The boy decided to ______ instead of lying. 答案：B。解析：tell the truth说实话，truth前加the。 【拓展题】 1. set 答案：set。解析：set...free释放，set过去式仍是set。 2. searched 答案：searched。解析：search for寻找，for不可省略，过去式searched。 3. laugh 答案：laugh。解析：Don't后接动词原形，laugh at嘲笑。 ◎ 考点六：形容词变副词规则（-ly）及 good → well 【基础题】 1. The lion laughed ______ and let the mouse go. 答案：B。解析：修饰动词laughed用副词happily，y变i加ly。 2. The ugly duckling swam ______ in the river. 答案：B。解析：swam是动词，用副词well修饰，good的副词是不规则变化well。 3. She can dance ______. She is a ______ dancer. 答案：B。解析：第一空修饰动词dance用副词beautifully；第二空修饰名词dancer用形容词beautiful。 【提升题】 1. He worked ______ but still ______ the exam. 答案：A。解析：worked是动词用副词hard修饰（≠hardly几乎不）；still后用过去时failed。 2. The emperor ______ believed the brothers' words. 答案：C。解析：修饰动词believed用副词foolishly，形容词foolish变y为i加ly。 3. ______, a boy shouted the truth. 答案：D。解析：Suddenly和All of a sudden都表示"突然"，B和C都对选D。 【拓展题】 1. wisely 答案：wisely。解析：wise的副词是去e加ly，wisely修饰动词spoke。 2. beautifully 答案：beautifully。解析：beautiful的副词是加ly，beautifully修饰动词sang。 3. really 答案：really。解析：real的副词是去e加ly，really修饰动词swim。 ◎ 考点七：品质形容词辨析（brave/wise/silly/ugly/afraid/honest） 【基础题】 1. The lion was ______ and let the mouse go. 答案：B。解析：狮子放了老鼠说明他勇敢，用brave。 2. The ugly duckling was very ______ of the other birds. 答案：C。解析：be afraid of害怕，丑小鸭害怕其他鸟。 3. It is ______ to buy clothes that you never wear. 答案：C。解析：买了从不穿的衣服是愚蠢的，用silly。 【提升题】 1. The farmer was ______ enough to say "Maybe". 答案：D。解析：无论好坏都说"也许"体现农夫明智，用wise。 2. No one wanted to look ______ in front of the emperor. 答案：C。解析：look silly显得愚蠢，没人想在皇帝面前显得傻。 3. The boy was ______ and told the truth. 答案：B。解析：说出真相说明诚实，用honest。 【拓展题】 1. afraid 答案：afraid。解析：be afraid of害怕，固定搭配。 2. silly 答案：silly。解析：silly愚蠢的，修饰名词idea用形容词。 3. beautiful 答案：beautiful。解析：beauty是名词，此处需要形容词beautiful修饰名词queen。 ◎ 考点八：连词 when / while / but / because / so 辨析 【基础题】 1. The lion was sleeping ______ the mouse ran across. 答案：B。解析：when可接短暂性动词ran，表示"正在睡觉这时老鼠跑过"。 2. The emperor couldn't see but said they were beautiful. 答案：B。解析：前后转折（看不见却说美），用but。 3. The mouse helped ______ he promised to do so. 答案：C。解析：because引导原因状语从句，说明帮助的原因。 【提升题】 1. ______ the duckling was swimming, the others laughed. 答案：B。解析：while接延续性动词+进行时，表示"在游泳期间"。 2. He was poor, ______ he was happy. 答案：B。解析：前后转折（穷但快乐），用but。 3. The fisherman set the fish free, ______ it promised to help. 答案：C。解析：because引导原因状语从句，说明释放的原因。 【拓展题】 1. when 答案：when。解析：when可接短暂性动词cried，表示"当…的时候"。 2. because 答案：because。解析：because引导原因状语从句，说明迟到的原因。 3. but 答案：but。解析：前后转折（悲伤但有教育意义），用but。 ◎ 考点九：综合（感叹句 What/How / 间接引语 / 故事叙述写作） 【基础题】 1. ______ an ugly duckling he was at first! 答案：D。解析：What + an + adj. + 单数可数名词！ugly以元音音素开头用an。 2. ______ beautiful the swans are! 答案：A。解析：How + adj.！How修饰形容词beautiful。 3. The mouse said he ______ help the lion. 答案：B。解析：直接引语"I will help"变间接引语，will变would。 【提升题】 1. ______ kind the fisherman was! 答案：B。解析：How + adj.！How修饰形容词kind。 2. She told me she ______ the story many times. 答案：D。解析：主句told是过去时，从句用过去完成时had read，时态呼应。 3. ______ wonderful clothes the emperor bought! 答案：B。解析：What + adj. + 复数名词clothes！What修饰名词短语。 【拓展题】 1. What 答案：What。解析：What + a/an + adj. + 单数名词！clever boy用What a。 2. How 答案：How。解析：How + adv.！well是副词，用How修饰。 3. was 答案：was。解析：间接引语主过从退，am/is→was，are→were。 — Once upon a time, there was a great story waiting to be told. — 第 页 学科网（北京）股份有限公司 $