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初中英语|词性转换规则+高频单词转换|语法填空必考
语法填空每年必考词性转换!很多同学单词认识,但变形就丢分。整理变化规则+中考高频词,直接背诵,刷题套用。
核心思路:看空格前后,判断需要:名词 / 动词 / 形容词 / 副词
一、四大词性基础区分
• 动词v.:动作(做、跑、说)
• 名词n.:人/事物(名词常作主语、宾语)
• 形容词adj.:修饰名词,放在名词前或be动词后
• 副词adv.:修饰动词、形容词,大多以-ly结尾二、形容词 → 副词(最常考)
规则
1. 一般直接 + lyquick → quickly;slow → slowly;careful → carefully
2. 以y结尾,辅音+y → 变y为i + lyeasy → easily;happy → happily;heavy → heavily;busy → busily✨元音+y直接+ly:gay→gaily
3. 以ble结尾,去e + ypossible → possibly;terrible → terribly4. 特殊不规则good → well;bad → badly;real → really;true → truly❌易错:true 变 truly,不是truely三、动词 → 名词(两大类型:表人 / 表事情)
1. 动词 + er / or 表“人”
work → worker 工人teach → teacher 老师sing → singer 歌手write → writer 作家play → player 运动员visit → visitor 参观者invent → inventor 发明家act → actor 男演员 / actress 女演员2. 动词 + tion / sion 表“一件事/行为”educate → education 教育invent → invention 发明物create → creation 创造operate → operation 手术discuss → discussion 讨论decide → decision 决定express → expression 表达introduce → introduction 介绍attend → attention 注意suggest → suggestion 建议3. 动词 + ment
develop → development 发展agree → agreement 同意improve → improvement 改善move → movement 运动4. 动词 + ing(动名词)
begin → beginning;
build → building四、名词 → 形容词
1. ful 充满……的(肯定含义)care → careful 仔细的help → helpful 有帮助的use → useful 有用的pain → painful 痛苦的hope → hopeful 满怀希望的
2. less 无……的(否定含义,和ful成对考!超级高频)care → careless 粗心的help → helpless 无助的use → useless 无用的hope → hopeless 无望的3. y 多……(天气类名词高频)rain → rainy 下雨的snow → snowy 下雪的wind → windy 有风的cloud → cloudy 多云的health → healthy 健康的noise → noisy 吵闹的4. alnature → natural 自然的culture → cultural 文化的nation → national 国家的person → personal 个人的5. ousdanger → dangerous 危险的mystery → mysterious 神秘的6. en(名词/形容词变动词,了解)wide → widen;short → shorten五、形容词 ↔ 名词
1. 形容词变名词(+ness)happy → happiness 幸福sad → sadness 悲伤ill → illness 疾病kind → kindness 善良dark → darkness 黑暗weak → weakness 弱点2. 形容词变名词(+ity)possible → possibility 可能性able → ability 能力六、否定前缀(高频!阅读+语法填空)
un- 不…happy → unhappy;fair → unfair;lucky → unlucky;able → unablein-possible → impossibleim-(m/b/p前)polite → impolite;possible → impossibledis-like → dislike;agree → disagree;honest → dishonest七、不规则词性转换【中考必背,无规则,死记】
1. differ(v. 不同于) → different(adj.) → difference(n.)
2. succeed(v.成功) → successful(adj.) → successfully(adv.) → success(n.)
3. act(v.行动) → action(n.) → active(adj.积极的)
4. invent(v.) → invention(n.发明物) → inventor(n.发明者)
5. create(v.) → creative(adj.有创造力的) → creation(n.)
6. die(v.死亡) → dead(adj.死的) → death(n.死亡) → dying(adj.垂死的)
⚠️超级重点四件套,年年考!7. use(v./n.) → useful(adj.) → useless(adj.)
8. care(v./n.) → careful → carefully→ careless
9. health(n.) → healthy(adj.) → unhealthy(adj.)
10. power(n.力量) → powerful(adj.强大的)八、语法填空做题小口诀
先看空格前后词,判断词性是关键;修饰名词用形容词,修饰动形用副词;介词冠词后面是名词,谓语位置用动词;ful表肯定less否,un/in/dis表否定;die变形要记牢,dead、death、dying别混淆!
词性转换是语法填空60%分值来源!记住规则+背熟这一批单词,看到词根就能快速变形,不再丢基础分。
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