Unit 3 Be strong, be brave单元重点易错专项训练 2026-2027学年沪外教版英语八年级上册

**基本信息** 聚焦单元核心语法与词汇，通过9大考点分层训练（基础/提升/拓展），融合易错点方法提炼与逻辑递进知识架构，提升语言应用能力与思维品质。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |9大考点|9考点×9题（基础/提升/拓展各3题）|易错点规则总结（如过去进行时was/were用法、情态动词否定回答、as soon as主将从现等）|从语法规则到语境应用，从基础辨析到综合转换（如词性转换、短语搭配）|

沪外教版（2026）八年级上册 Unit 3 Be strong, be brave 单元重点易错专项训练 沪外教版（2026）八年级上册 Unit 3 Be strong, be brave 单元重点易错专项训练 紧扣最新教材（2026沪外教版） | 9大考点 | 81道精选题 姓名：__________ 班级：__________ 得分：__________ 考点一：过去进行时（was/were + doing） ⚠ 易错点：was用于I/he/she/单数名词；were用于you/we/they/复数 ⚠ 表示过去某一时刻正在进行的动作（at this time yesterday） ⚠ when+瞬间动词（一般过去时）；while+延续动词（过去进行时） ⚠ 否定：wasn't/weren't + doing ▷ 基础题（选择题） ▷（ ）1. I ______ a book at 8 o'clock last night. A. read B. was reading C. were reading D. am reading ▷（ ）2. They ______ football when it started to rain. A. play B. played C. were playing D. are playing ▷（ ）3. — What was Chen Wu doing at noon? — He ______. A. sleeps B. slept C. was sleeping D. is sleeping ◇ 提升题（选择题） ◇（ ）1. While Lily ______ TV, her mother came in. A. watched B. was watching C. watches D. is watching ◇（ ）2. I ______ my homework when the phone rang. A. do B. did C. was doing D. am doing ◇（ ）3. At this time yesterday, they ______ in the classroom. A. study B. studied C. were studying D. are studying ★ 拓展题（用适当形式填空） ★ 1. She ________ (read) a novel when I visited her. ★ 2. They ________ (not play) basketball at 4 pm yesterday. ★ 3. What ________ you ________ (do) at 9 last night? 考点二：情态动词 should / ought to / must（建议与责任） ⚠ 易错点：should和ought to都表建议，ought to后接to do ⚠ must表命令/必要性；mustn't=禁止 ⚠ shouldn't=不应该；ought not to（不用oughtn't to） ⚠ Must...?否定回答用needn't/don't have to ▷ 基础题（选择题） ▷（ ）1. You ______ try your best to face the challenge bravely. A. should B. shouldn't C. can't D. mustn't ▷（ ）2. We ______ keep our promises. It shows we are honest. A. oughtn't to B. should C. can't D. needn't ▷（ ）3. You ______ cheat in exams. It's wrong. A. should B. can C. mustn't D. needn't ◇ 提升题（选择题） ◇（ ）1. — Must I hand in the report today? — No, you ______. A. mustn't B. needn't C. can't D. shouldn't ◇（ ）2. Students ______ be late for school. It's a rule. A. should B. can C. mustn't D. needn't ◇（ ）3. You ______ tell others about my secret. Please keep it. A. should B. must C. can D. mustn't ★ 拓展题（用适当形式填空） ★ 1. You ________ (should) give up so easily. Keep trying! ★ 2. We ________ (ought to) help people in trouble. ★ 3. You ________ (must) play with fire. It's dangerous! 考点三：would rather do A than do B（宁愿…也不愿…） ⚠ 易错点：would rather后接动词原形（不是to do） ⚠ 否定：would rather not do ⚠ would rather do A than do B（A和B都用动词原形） ⚠ would like to do≠would rather do（前者表愿望） ▷ 基础题（选择题） ▷（ ）1. I would rather ______ at home than ______ to the cinema. A. stay; go B. to stay; to go C. stay; going D. staying; go ▷（ ）2. Lily would rather ______ a walk than ______ TV. A. take; watch B. to take; watching C. taking; to watch D. take; to watch ▷（ ）3. Jam said he would rather ______ football than ______ basketball. A. play; play B. to play; play C. play; to play D. playing; playing ◇ 提升题（选择题） ◇（ ）1. Chen Wu would rather ______ the bus than ______ a taxi. A. take; take B. to take; to take C. take; taking D. taking; take ◇（ ）2. She would rather ______ hard than ______. A. study; fail B. to study; to fail C. studying; failing D. study; to fail ◇（ ）3. I'd rather not ______ out tonight. It's too cold. A. to go B. go C. going D. goes ★ 拓展题（用适当形式填空） ★ 1. I would rather ________ (stay) at home than go shopping. ★ 2. She would rather ________ (not tell) him the bad news. ★ 3. They would rather ________ (walk) than take the crowded bus. 考点四：as soon as 引导的时间状语从句（主将从现） ⚠ 易错点：as soon as=一……就……（连接两个动作） ⚠ 主将从现：主句用will/情态动词，从句用一般现在时 ⚠ 主祈从现：主句是祈使句，从句也用一般现在时 ⚠ 主情从现：主句有情态动词（can/must）。 ▷ 基础题（选择题） ▷（ ）1. I will call you as soon as I ______ home. A. get B. will get C. got D. am getting ▷（ ）2. She will tell us the truth as soon as she ______ back. A. come B. comes C. will come D. came ▷（ ）3. As soon as he ______ the work, he left the office. A. finish B. finishes C. finished D. will finish ◇ 提升题（选择题） ◇（ ）1. Please give me a call as soon as you ______ the city. A. will reach B. reach C. reached D. are reaching ◇（ ）2. We can start the meeting as soon as everyone ______. A. will arrive B. arrives C. arrived D. is arriving ◇（ ）3. As soon as the bell ______, all the students rushed out. A. ring B. rings C. rang D. will ring ★ 拓展题（用适当形式填空） ★ 1. I'll send you a message as soon as I ________ (arrive) in Kunming. ★ 2. She ________ (tell) him the news as soon as she sees him. ★ 3. As soon as they ________ (get) to the station, the train left. 考点五：重点短语 laugh at / fall behind / run away from / give up ⚠ 易错点：laugh at嘲笑（介词at不能省） ⚠ fall behind落后（behind是介词+doing/n.） ⚠ run away from逃避/回避（from后接名词/doing） ⚠ give up放弃（up是副词，代词放中间give it up） ▷ 基础题（选择题） ▷（ ）1. We should never ______ others when they make mistakes. A. laugh B. laugh at C. laugh on D. laugh in ▷（ ）2. Don't ______. Keep trying and you will succeed. A. give in B. give up C. give out D. give away ▷（ ）3. He is running away ______ his problems instead of facing them. A. at B. in C. from D. on ◇ 提升题（选择题） ◇（ ）1. If you don't study hard, you will ______ the others. A. fall behind B. fall down C. fall off D. fall out ◇（ ）2. She ran away ______ the difficult question in the exam. A. at B. from C. in D. with ◇（ ）3. My brother is so brave that he never gives ______ easily. A. in B. out C. away D. up ★ 拓展题（用适当形式填空） ★ 1. Don't laugh ________ (at) the boy. He is trying his best. ★ 2. She gave ________ (up) smoking last year for her health. ★ 3. He ran away from ________ (face) the difficult challenge. 考点六：have the courage to do / encourage sb to do / succeed in doing ⚠ 易错点：have the courage to do=有勇气做某事 ⚠ encourage sb to do（不是encourage sb do） ⚠ succeed in doing（不是succeed to do） ⚠ face difficulties bravely（brave→bravely副词修饰动词） ▷ 基础题（选择题） ▷（ ）1. Lily had the courage ______ up for what was right. A. stand B. to stand C. standing D. stood ▷（ ）2. Our teacher always encourages us ______ our best. A. try B. trying C. to try D. tried ▷（ ）3. Chen Wu succeeded ______ passing the difficult exam. A. in B. at C. on D. with ◇ 提升题（选择题） ◇（ ）1. They encouraged Jam ______ for the school team. A. try out B. to try out C. trying out D. tried out ◇（ ）2. She is brave enough ______ the difficult challenge. A. face B. facing C. to face D. faced ◇（ ）3. He didn't succeed ______ the problem by himself. A. solve B. to solve C. solving D. in solving ★ 拓展题（用适当形式填空） ★ 1. Lily encouraged me ________ (join) the school club. ★ 2. Jam had the courage ________ (speak) in front of 500 people. ★ 3. They succeeded in ________ (climb) the high mountain. 考点七：词性转换 strong→strength / brave→bravery / succeed→success ⚠ 易错点：strong(adj.)→strength(n.)；brave(adj.)→bravery(n.) ⚠ succeed(v.)→success(n.)→successful(adj.)→successfully(adv.) ⚠ difficult(adj.)→difficulty(n.)；encourage(v.)→encouragement(n.) ⚠ talented(adj.)→talent(n.)；disappointed(adj.)→disappointment(n.) ▷ 基础题（选择题） ▷（ ）1. It takes great ______ to climb Mount Everest. A. strong B. strength C. strongly D. strengthen ▷（ ）2. She showed great ______ when she saved the child. A. brave B. bravery C. bravely D. braver ▷（ ）3. Jam's ______ in the competition made us very proud. A. succeed B. successful C. success D. successfully ◇ 提升题（选择题） ◇（ ）1. Lily is a ______ dancer. She dances ______ too. A. success; successful B. successful; successfully C. successfully; success D. successful; success ◇（ ）2. He overcame many ______ and finally achieved great ______. A. difficulty; succeed B. difficulties; success C. difficult; successful D. difficulties; succeed ◇（ ）3. Her ______ gave me the ______ to keep going. A. encourage; strength B. encouragement; strong C. encouragement; strength D. encouraging; strongly ★ 拓展题（用适当形式填空） ★ 1. It takes a lot of ________ (strong) to lift that heavy box. ★ 2. She faced the challenge with great ________ (brave). ★ 3. They ________ (success) in finishing the project on time. 考点八：when / while 引导的时间状语从句 ⚠ 易错点：when可接瞬间/延续动词；while只接延续动词 ⚠ while引导的从句常用进行时（was/were doing） ⚠ when强调"当…时"（一个动作发生时另一个动作插入） ⚠ while强调"与此同时"（两个动作同时进行） ▷ 基础题（选择题） ▷（ ）1. ______ I was walking in the park, I met an old friend. A. When B. While C. A or B D. As soon as ▷（ ）2. She was cooking dinner ______ the doorbell rang. A. while B. when C. as soon as D. because ▷（ ）3. ______ he arrived at the station, the train had already left. A. While B. When C. During D. As soon as ◇ 提升题（选择题） ◇（ ）1. ______ it was raining, they still went out to practise. A. When B. While C. Although D. As soon as ◇（ ）2. I was reading ______ my sister was watching TV. A. when B. while C. as soon as D. because ◇（ ）3. ______ the accident happened, she was driving to work. A. When B. While C. During D. As soon as ★ 拓展题（用适当形式填空） ★ 1. ________ (when) I got home, my parents were having dinner. ★ 2. He was sleeping ________ (while) I was studying. ★ 3. ________ (while) she was running, she fell and hurt her knee. 考点九：核心词汇辨析 disappointed / doubt / refuse / nervous ⚠ 易错点：disappointed(人感到失望)≠disappointing(物令人失望) ⚠ doubt(v.)后接whether/if/that从句 ⚠ refuse to do（不是refuse doing） ⚠ nervous(adj.)→nervousness(n.)；be nervous about ▷ 基础题（选择题） ▷（ ）1. Jam was ______ because he failed the maths exam. A. disappointing B. disappointed C. disappointment D. disappoint ▷（ ）2. Lily refused ______ to the party because she was ill. A. go B. going C. to go D. went ▷（ ）3. She is ______ about the upcoming speech competition. A. nerve B. nervous C. nervously D. nervousness ◇ 提升题（选择题） ◇（ ）1. I don't doubt ______ he will succeed in the end. A. if B. whether C. that D. when ◇（ ）2. The news was so ______ that everyone felt ______. A. disappointed; disappointed B. disappointing; disappointed C. disappointed; disappointing D. disappointing; disappointing ◇（ ）3. He refused ______ help from others and did it alone. A. accept B. accepting C. to accept D. accepted ★ 拓展题（用适当形式填空） ★ 1. I feel ________ (disappoint) that our team lost the game. ★ 2. She refused ________ (tell) me the reason for her decision. ★ 3. The ________ (nervous) before the exam made him unable to sleep. 参考答案与详细解析 考点一：过去进行时（was/were + doing） 【基础题】 1. B at 8 last night→过去进行时；I→was reading。 2. C when+瞬间(was raining)→主句用were playing。 3. C at noon(过去)→was sleeping。was doing。 【提升题】 1. B while+延续动词→was watching（同时进行）。 2. C when+瞬间(rang)→主句用was doing。 3. C at this time yesterday→were studying。 【拓展题】 1. was reading when I visited→过去进行时was reading。 2. weren't playing were not playing→过去否定。 3. were; doing What were you doing at 9 last night?固定句型。 考点二：情态动词 should / ought to / must 【基础题】 1. A should try=应该尽力（建议）。 2. B should keep=应该遵守（建议/责任）。 3. C mustn't=禁止。考试中禁止作弊。 【提升题】 1. B Must...?否定回答用needn't（不必）。 2. C mustn't be late=禁止迟到（校规）。 3. D mustn't=禁止。不能告诉别人我的秘密。 【拓展题】 1. shouldn't shouldn't give up=不应该轻易放弃。 2. ought to ought to help=应该帮助。 3. mustn't mustn't play=禁止玩火。 考点三：would rather do A than do B 【基础题】 1. A would rather stay than go。两空都用动词原形。 2. A would rather take than watch。两空都原形。 3. A would rather play than play。两空都原形。 【提升题】 1. A would rather take than take。两空都原形。 2. A would rather study than fail。两空都原形。 3. B would rather not go。否定+动词原形。 【拓展题】 1. stay would rather stay than go shopping。 2. not tell would rather not tell。否定+原形。 3. walk would rather walk than take。 考点四：as soon as 引导的时间状语从句 【基础题】 1. A 主将从现。as soon as I get home。 2. B she→comes（三单）。主将从现。 3. C as soon as he finished→一般过去时。 【提升题】 1. B 主祈从现。as soon as you reach。 2. B everyone→arrives（三单）。主情从现。 3. C as soon as the bell rang。过去时。 【拓展题】 1. arrive 主将从现。as soon as I arrive。 2. will tell 主将从现。as soon as she sees→主句will tell。 3. got as soon as they got→过去时。 考点五：重点短语 laugh at / fall behind / run away from / give up 【基础题】 1. B laugh at=嘲笑。never laugh at others。 2. B give up=放弃。keep trying≠give up。 3. C run away from=逃避。from后接名词。 【提升题】 1. A fall behind=落后。不努力学习→落后。 2. B run away from=逃避。from the question。 3. D give up=放弃。never gives up easily。 【拓展题】 1. at laugh at the boy。at是介词不能省。 2. up gave up smoking。give up+doing。 3. facing run away from facing。from+doing。 考点六：have the courage to do / encourage sb to do / succeed in doing 【基础题】 1. B have the courage to do。to stand up。 2. C encourage sb to do。encourage us to try。 3. A succeed in doing。succeeded in passing。 【提升题】 1. B encourage sb to do。encourage Jam to try out。 2. C brave enough to do。to face the challenge。 3. D succeed in doing。succeed in solving。 【拓展题】 1. to join encourage me to join。to do。 2. to speak have the courage to speak。 3. climbing succeed in climbing。in+doing。 考点七：词性转换 strong→strength / brave→bravery / succeed→success 【基础题】 1. B strength(n.)。需要大力气→strength。 2. B bravery(n.)。showed great bravery。 3. C success(n.)。Jam's success made us proud。 【提升题】 1. B successful(adj.) dancer; dances successfully(adv.)。 2. B difficulties(n.复数); success(n.)。 3. C encouragement(n.); strength(n.)。 【拓展题】 1. strength strong(adj.)→strength(n.)。 2. bravery brave(adj.)→bravery(n.)。 3. succeeded succeed(v.)→succeeded in doing。 考点八：when / while 引导的时间状语从句 【基础题】 1. C while/When均可。was walking→延续→A or B。 2. B when+瞬间(rang)→打断正在做的事。 3. B When he arrived→一般过去时。 【提升题】 1. C Although=虽然。虽然下雨仍去练习（让步）。 2. B while+延续+进行时。was reading while was watching。 3. A When the accident happened。when+瞬间。 【拓展题】 1. When When I got home。句首大写。 2. while He was sleeping while I was studying。 3. While While she was running。句首大写。 考点九：核心词汇辨析 disappointed / doubt / refuse / nervous 【基础题】 1. B disappointed(人感到失望)。Jam was disappointed。 2. C refuse to do。refused to go。 3. B nervous(adj.)。is nervous about。 【提升题】 1. C I don't doubt that...（不怀疑他会成功）。 2. B disappointing(物令人失望); felt disappointed(人)。 3. C refuse to do。refused to accept。 【拓展题】 1. disappointed feel disappointed(人感到失望)。 2. to tell refuse to do。refused to tell。 3. nervousness nervous(adj.)→nervousness(n.)。 — — 学科网（北京）股份有限公司 $