Unit 7语法专项—— 复合不定代词课件2025-2026学年沪外教版英语八年级上册

教学课件 沪外教英语八年级上册 Unit 7语法专项—— 复合不定代词 全解精讲+分层练习 1 学习目标 理解复合不定代词的构成与含义 掌握 some‑ / any‑ / every‑ / no‑ 的用法区别 牢记形容词后置、谓语动词单数规则 能完成单选、填空、句型转换、改错 写作中正确选用代词，避免常见错误 什么是复合不定代词 由some/any/every/no + thing/one/body 构成 指代：人、物、事、地点（不确定、泛指） 作主语/宾语/表语，单数概念 例：something（某事）、everyone（每人） 特点：没有明确先行词，泛指 复合不定代词总结 some‑：something；someone / somebody any‑：anything；anyone / anybody no‑：nothing；no one / nobody every‑：everything；everyone / everybody thing 指事物；one/body 指人 some‑ 用法（肯定句为主） 肯定句：表某事/某人/某物 期待肯定的问句：请求、邀请、建议 例句：I have something to tell you. 例句：Would you like something to drink? 口诀：肯定、邀请用 some‑ any‑ 用法（疑问/否定为主） 疑问句：表任何事/任何人 否定句：表任何事/任何人 肯定句：表任何人/任何物（几乎所有） 例句：Do you know anything about it? 例句：Anyone can join the club. no‑ 用法（否定含义） no‑：本身含否定，无需再加 not nothing：没什么；nobody/no one：没人 例句：Nothing is difficult if you try. 例句：Nobody knows the answer. 注意：no‑ 句= not + any‑ 句 every‑ 用法（全部、整体） every‑：所有、全部、每一个 everything：一切；everyone：每个人 例句：Everything is ready for the party. 例句：Everyone likes honest people. 语气：强调整体，单数谓语 形容词后置（必考） 规则：形容词必须放在代词之后 ❌：important something / interesting anything ✅：something important / anything interesting 例句：I met someone friendly yesterday. 例句：There is nothing special today. 谓语动词单数 所有复合不定代词作主语，谓语用单数 ❌：Nothing are impossible. ✅：Nothing is impossible. ✅：Everyone likes this story. ✅：Something is wrong with my phone. some‑ vs any‑ 对比 some‑：肯定句、邀请、请求、期待肯定 any‑：否定句、疑问句、肯定句表“任何” 肯定句：一般用 some‑ 否定/疑问：一般用 any‑ 邀请：用 some‑ 更自然 no‑ = not + any‑ I know nothing. = I don’t know anything. There is nobody here. = There isn’t anybody here. He has nothing to say. = He doesn’t have anything to say. 写作技巧：同义替换，句式更丰富 地点类不定代词（拓展） somewhere：某地（肯定） anywhere：任何地方（疑问/否定） nowhere：无处、哪里都不 everywhere：到处、处处 例句：I lost my key somewhere. 常见错误1：形容词前置 错：I have important something. 对：I have something important. 错：Did you see strange anyone? 对：Did you see anyone strange? 口诀：形后、代前，顺序不乱 常见错误2：谓语复数 错：Everyone are here. 对：Everyone is here. 错：Something look good. 对：Something looks good. 口诀：不定代词作主语，谓语永远用单数 常见错误3：邀请用 any‑ 错：Would you like anything to eat? 对：Would you like something to eat? 原因：邀请期待肯定，习惯用 something 题型一：单项选择 1.I found ___________ interesting in the museum. A. something B. anything C. nothing D. everything 2.Did you hear ___________ strange last night? A. something B. anything C. nothing D. everything 3.___________ can help you if you ask politely. A. Someone B. Anyone C. No one D. Everyone 4.There is ___________ wrong with my watch. It stops. A. something B. anything C. nothing D. everything A B B A 5.___________ is late. All students are on time. A. Someone B. Anyone C. No one D. Everyone 6.Don’t tell ___________ about my secret. A. someone B. anyone C. no one D. everyone 7.She is looking for ___________ who can speak French. A. someone B. anyone C. no one D. everyone 8.We can learn ___________ new every day. A. something B. anything C. nothing D. everything C B A A 题型二：用适当代词填空 1.There is ___________ (某事) wrong with my bike. 2.I don’t have ___________ (任何事) to do today. 3.___________ (没人) can finish it in five minutes. 4.___________ (每人) should follow the rules. 5.Would you like ___________ (某物) to drink? something anything No one Everyone something 题型二：篇章填空 Online shopping is convenient. You can buy 1___________ you need. But don’t tell 2___________ your password. 3___________ careful can avoid danger. There is 4___________ important than safety. 5___________ should protect personal information. everything anyone Someone nothing Everyone 题型三：句型转换（1） 1.I have something to share.（否定句） → I don’t have ___________ to share. 2.Someone is waiting for you.（一般疑问句） → Is ___________ waiting for you? 3.He knows nothing about art.（同义句） → He ___________ know ___________ about art. anything anyone doesn’t anything 题型三：句型转换（2） 4.Everything is OK.（否定句） → ___________ is OK. 5.Everybody likes gifts.（一般疑问句） → ___________ everybody ___________ gifts? Nothing Does like 题型四：判断正误并改正 1.( ) I saw something strange yesterday. → ___________ 2.( ) Everyone are here on time. → ___________ 3.( ) Would you like anything sweet? → ___________ 4.( ) There is nothing interesting in the film. → ___________ 5.( ) She didn’t meet someone friendly. → ___________ √ × are→is × anything→something √ × someone→anyone 题型五：选词填空（some‑/any‑/no‑/every‑） something, anything, nothing, everything someone, anyone, no one, everyone 1.___________ is difficult for a willing heart. 2.I didn’t buy ___________ in the shop. 3.There is ___________ interesting in today’s news. 4.___________ should respect old people. 5.She didn’t talk to ___________ at the party. Nothing anything something Everyone anyone 综合总结（1） 构成：some/any/every/no + thing/one/body some‑：肯定、邀请；any‑：疑问、否定、任何 no‑：否定含义；every‑：全部、整体 形容词后置；谓语动词用单数 no‑ = not + any‑ 综合总结（2） 易错：形容词前置、谓语复数、邀请用any‑ 考点：单选、填空、句型转换、改错 写作：替换简单名词，表达更简洁 口诀：人事物地不定代，形后单谓记心怀；肯定邀请用some，疑问否定any来 拓展：常见搭配 something important / new / wrong nothing serious / special / difficult anyone else / someone else everything ready / clear somewhere safe / quiet 拓展：语境判断技巧 肯定句：优先 some‑ 否定/疑问：优先 any‑ 邀请/请求：用 some‑ 全部：every‑；没有：no‑ 有形容词：形容词后置 教学课件 Unit 7语法专项—— 复合不定代词 Thank you for listening! 29 $