Unit 8 语法专项课件- 副词及比较级、最高级 2025-2026学年沪教版英语八年级上册

教学课件 沪教（牛津）英语八年级上册 Unit 8 语法专项—— 副词及比较级、最高级 全解精讲+分层练习 1 学习目标 1.掌握副词的定义、位置与构成规则。 2.区分形容词同形副词与 -ly 副词。 3.掌握副词比较级、最高级变化规则。 4.牢记不规则副词变化（well/badly/much等）。 5.能在句子中正确使用原级、比较级、最高级。 副词—定义与作用 副词用来修饰动词、形容词、其他副词。 表示动作的方式、程度、时间、频率。 回答：how（如何）、when（何时）、where（何地）。 常放在实义动词后或动宾结构后。 例句：The dog runs fast.（修饰动词run） 副词构成1 — 形容词 + ly 大多数副词由形容词 + ly构成。 quick → quickly（快速地） careful → carefully（仔细地） quiet → quietly（安静地） 辅音+y：变y为i+ly：happy → happily 副词构成2 — 与形容词同形 部分副词和形容词写法一样。 fast（快的/快地），early（早的/早地），high（高的/高地） 例句：He is fast.（形容词） 例句：He runs fast.（副词） 副词构成3 — 特殊变化 good（形容词）→ well（副词） 好的 → 好地 例句：He is a good student. 例句：He sings well. 这是考试最高频特殊变化。 副词位置规则 1.修饰实义动词：放在动词后 He runs quickly. 2.修饰be动词/情态动词：放在其后 She is happily playing. 3.修饰整句：放在句首 Luckily, he won. 副词比较级—用法 副词比较级用于两者动作比较。 表示“更……地”。 标志词：than 结构：动词 + 副词比较级 + than… 例句：He runs faster than her. 副词最高级—用法 副词最高级用于三者及以上比较。 表示“最……地”。 结构：动词 + (the) + 副词最高级 + 范围 副词最高级前 the 可以省略。 例句：He runs (the) fastest in his class. 副词比较级/最高级规则1 以 -ly 结尾的副词： 比较级：more + 副词 最高级：most + 副词 carefully → more carefully → most carefully quietly → more quietly → most quietly 副词比较级/最高级规则2 与形容词同形的副词： 比较级：词尾 + er 最高级：词尾 + est fast → faster → fastest early → earlier → earliest high → higher → highest 不规则副词变化（必背） well → better → best badly → worse → worst much → more → most little → less → least far → farther/further → farthest/furthest 比较级关键词 than：比较级标志much / even / still：修饰比较级 例句：He runs much faster. 比较级 + and + 比较级：越来越… 例句：He runs faster and faster. 最高级关键词 of / in / among：表范围 of all：在所有……中 例句：He runs fastest of all. 副词最高级前 the 可加可不加。 易混点1：形容词 vs 副词 形容词：修饰名词，放在名词前或be动词后。 副词：修饰动词，放在动词后。 He is quick.（形容词） He runs quickly.（副词） 易混点2：good vs well good：形容词，修饰名词 well：副词，修饰动词 She is a good singer. She sings well. 基础训练1 — 写出副词 1.quick → ________ 2.happy → ________3.good → ________ 4.careful → ________5.loud → ________ 基础训练2 — 比较级 6.fast → ________7.well → ________8.carefully → ________ 9.badly → ________10.early → ______________ 基础训练3 — 最高级 11.fast → ________12.well → ________13.loudly → ________ 14.much → ________15.little → ________ quickly happily well carefully loudly faster better more carefully worse earlier fastest best most loudly most least 用适当副词形式填空1 1.The boy runs very ___________ (quick). 2.She sings ___________ (good). 3.Please speak ___________ (loud). 4.He works ___________ (careful) every day. 5.They arrived ___________ (early). quickly well loudly carefully early 用适当副词形式填空2 6.He treats animals ________ (kind). 7.The girl dances ____________ (beautiful). 8.Listen to me ____________ (careful). 9.He does everything ____________ (quiet). 10.She smiles ____________ (happy). kindly beautifully carefully quietly happily 用比较级填空 1.He runs ____________ (fast) than his brother. 2.She sings ____________ (well) than me. 3.He works __________ (hard) than before. 4.They come ____________ (early) than us. 5.She writes _______________ (carefully) than him. 6.He speaks _______________ (loudly) than others. 7.Tom does it ____________ (well) than Tim. faster better harder earlier more carefully more loudly better 用最高级填空 1.He runs ____________ (fast) in the class. 2.She sings ____________ (well) of all. 3.They arrive ____________ (early) in the team. 4.He writes ________________ (carefully) in his group. 5.She speaks ________________ (loudly) of the three. 6.Tom does it ____________ (well) in the school. fastest best earliest most carefully most loudly best 单项选择 1.The bird flies ______ in the sky. A. high B. highly C. higher D. highest 2.He swims ______ than his sister. A. fast B. faster C. fastest D. more fast 3.Of all the students, she draws ______. A. well B. better C. best D. good 4.Please listen to the teacher ______. A. careful B. carefully C. more careful D. more carefully A B C B 单项选择3 5.He runs ______ than any other boy. A. fast B. faster C. fastest D. more fast 6.She sings ______ among the three. A. well B. better C. best D. good 7.Tom does his homework ______ than Jack. A. quickly B. more quickly C. most quickly D. quicklier 8.He gets up ______ in his family. A. early B. earlier C. earliest D. more early B C B C 句型转换1 1.He runs fast.（用than改写） He runs ________ than before. 2.She sings well. She sings ________ of all. 3.He works carefully. He works ________________ than his brother. 4.They come early. They come ____________ in the class. faster best more carefully earliest 完成句子 1.他跑得比我快。 He runs ____________ than me. 2.她唱得最好。 She sings ____________ of all. 3.请认真听老师讲课。 Please listen to the teacher ____________. 4.他工作越来越努力。 He works ____________ and ____________. faster best harder harder carefully 课堂总结（一） 副词：修饰动词，多以 -ly 结尾。 同形副词：fast, early, high。 特殊：good → well。 课堂总结（二） 比较级：-ly副词：more + 副词 同形副词：+er 不规则：well→better 最高级：-ly副词：most + 副词 同形副词：+est 不规则：well→best 教学课件 Unit 8 语法专项—— 副词及比较级、最高级 Thank you for listening! 25 $