Starter语法(数词/连词)讲解与练习-2026-2027学年外研版英语七年级上册

**基本信息** 聚焦小升初衔接，以口诀化方法体系（数词构成/变序口诀、连词逻辑口诀）系统梳理数词分类-规则-用法及连词三大逻辑关系，知识链条清晰，题型覆盖高频考点，助力语言能力与思维品质提升。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |数词|单词变形10题+填空10题+单选10题|基数词分段规则（1-12独立记等）、hundred/thousand口诀（有数字无s无of等）、序数词变序口诀（基变序有规律等）|总分类→基数词（构成→易错点→用法）→序数词（规则→考点）→对比易混句型，形成"概念-规则-应用"链条| |连词|填空10题+单选10题+翻译5题|逻辑口诀（顺承用and等）、易错点（否定句用or等）|核心逻辑（顺承/转折/选择）→口诀提炼→易错警示→综合应用，构建"逻辑关系-方法-实践"体系|

Starter语法(数词/连词and/or/but)讲解与练习 语法一:数词精讲 一、数词总分类 英语数词分两类： 1.基数词：表示数量多少（one, two, thirty…） 2.序数词：表示顺序第几（first, second, third…） 第一部分 基数词（表数量） （一）基数词分段构成规则（必背） 1. 1–12 独立单词，无规律，单独记 1 one 2 two 3 three 4 four 5 five 6 six 7 seven 8 eight 9 nine 10 ten 11 eleven 12 twelve 2. 13–19：个位 + -teen，3 个特殊拼写 fourteen (14) sixteen (16) seventeen (17) nineteen (19) 特殊：thirteen (13)、fifteen (15)、eighteen (18) 3. 20–90 整十：个位 + -ty，5 个特殊 sixty (60) seventy (70) ninety (90) 特殊：twenty (20) thirty (30) forty (40) fifty (50) eighty (80) 4. 21–99 非整十：十位 - 连字符 - 个位（必须加短横） 21 twenty-one 35 thirty-five 78 seventy-eight 99 ninety-nine 5. 100 及以上 100 one hundred 三位数：百位 + and + 后两位 105 one hundred and five 246 two hundred and forty-six （二）hundred /thousand 必考易错点（高频填空考点） 1.前面有具体数字：hundred/thousand不加s,不加of three hundred students 三百名学生 five thousand books 五千本书 2.无具体数字,表模糊 “数百、数千”：加s + of hundreds of students 成百上千学生 thousands of trees 成千上万树木 口诀：有数字无s无of；无数字有s有of （三）基数词核心用法 1.修饰名词，表数量（课文：two textbooks, three erasers） There are twelve classrooms in our junior high. 2.表达年龄 主语+be +数字(+ years old) I am thirteen (years old). 我 13 岁。 3.表达整点时间 It’s seven o’clock. 七点整。 4.编号表达（班级、楼层、教室、房间、课） 两种格式： 1 名词+基数词（首字母大写，无 the） Class Two 二班 Grade Seven 七年级 Room 203 203 房间 Lesson One 第一课 ② the +序数词+名词 the second class = Class Two 5.表楼层、门牌号、电话号码 My lab is on Floor Three. 第二部分 序数词（表顺序，第几） （一）基数词变序数词完整规则+口诀 口诀：基变序，有规律，词尾大多加 th； 一、二、三，特殊记，结尾 t、d、d； 八去 t，九去 e，ve 结尾变 f； 整十 y 变 ie，后面再加 th； 几十几，只变个位，十位不变。 1. 1–3 特殊（必考） one → first (1st) two → second (2nd) three → third (3rd) 2. 4–19 一般加 th，4 个不规则 four→fourth six→sixth seven→seventh ten→tenth eleven→eleventh 特殊： five → fifth（ve 变 f+th） twelve → twelfth（ve 变 f+th） eight → eighth（去 t+h） nine → ninth（去 e+th） 3. 20、30…90 整十数：y 变 ie + th twenty → twentieth (20th) thirty → thirtieth forty → fortieth fifty → fiftieth 4. “几十几” 只变个位，十位仍用基数词 twenty-one → twenty-first thirty-five → thirty-fifth ninety-nine → ninety-ninth （二）序数词关键考点 1.序数词前一般加定冠词 the on the first floor 在一楼（课文原句） the third lab 第三个实验室 2.缩写写法：数字+最后两个字母 1st first 2nd second 3rd third 4th fourth 21st twenty-first 3.用法场景 ① 楼层：the second floor 二楼 ② 日期：the tenth of September 9 月 10 日 ③ 顺序：This is my first new friend. 第三部分 基数词 & 序数词对比易混句型（单元原题型） 1.There are thirty classrooms.（基数，数量） This classroom is the thirtieth.（序数，顺序） 2.We are in Class Three.（编号，基数后置无 the） We are in the third class.（序数前置加 the） 3.He is twelve.（年龄，基数） He is the twelfth student in line.（顺序，序数） 【巩固练习】 一、单词变形 用括号内基数词写出对应序数词 2 / 2 学科网（北京）股份有限公司 1.one → ________ (1st) 2.two → ________ (2nd) 3.three → ________ (3rd) 4.five → ________ (5th) 5.eight → ________ (8th) 6.nine → ________ (9th) 7.twelve → ________ (12th) 8.twenty → ________ (20th) 9.twenty-one → ________ (21st) 10.thirty-five → ________ (35th) 二、用所给词的正确形式填空 1.There are two ________ (hundred) students in our junior high. 2.________ (hundred) of books are in the school library. 3.Today is my brother’s ________ (nine) birthday. 4.This is the ________ (one) new textbook I get. 5.My deskmate is ________ (twelve) years old. 6.The ________ (three) lab is next to the teaching building. 7.Look! There are ________ (fifty-one) erasers on the desk. 8.________ (thousand) of trees grow in the mountain. 9.The ________ (twelve) month of a year is December. 10.Class ________ (four) is on the ________ (two) floor. 三、单项选择 1.There are ______ days in September. A. thirty B. thirtieth C. thirtyth D. thirteen 2.This is my ______ day at this new school. A. one B. first C. two D. three 3.We have ______ students in Grade Seven. A. two hundred B. two hundreds C. hundred of D. two hundreds of 4.—What class are you in? —I’m in ______. A. class seven B. Class seven C. Class Seven D. Seven Class 5.Thursday is the ______ day of a week. A. five B. fifth C. fiveth D. fifteen 6.______ people come to visit our school every year. A. Thousand of B. Thousands of C. Two thousand D. Two thousands 7.My little sister is only ______ years old. A. fifth B. five C. ninth D. twelfth 8.The sports meeting is on the ______ of October. A. nine B. nineteen C. ninth D. ninety 9.There is a lab on the ______ floor. A. three B. thirteen C. third D. thirty 10.—How old is your cousin? —He is ______. A. twelve B. twelfth C. twenty-first D. thirtieth 语法二：连词and/but/or 一、核心语法精讲（零基础秒懂） and / but / or是七年级入门三大并列连词,用来连接单词,短语或句子。 1. and （和、并且、然后） 逻辑：顺承、并列、递进 用于：前后内容意思一致、顺着往下说、并列关系 例句：I like English and math. 我喜欢英语和数学。 例句：Get up and go to school. 起床然后去上学。 2. but （但是、然而） 逻辑：转折、相反 用于：前后意思相反、存在对比转折 例句：He is short but strong. 他个子矮但是很强壮。 例句：I want to play, but I have homework. 我想玩，但我有作业。 3. or （或者、否则） 两大必考用法 ① 选择关系：或者（多用于疑问句、否定句） 例句：Do you like tea or coffee? 你喜欢茶还是咖啡？ ② 条件关系：否则、要不然（祈使句高频考点） 例句：Hurry up, or you will be late. 快点，否则你会迟到。 ✅ 终极做题口诀（满分必背） 顺承并列用 and，意思相反用 but，选择否则用 or ⚠️ 七年级超级易错点 1.否定句中，并列列举不用and，改用or 正确：I don’t like apples or bananas. 错误：I don’t like apples and bananas. 2. but 和 because 绝对不能连用 【巩固练习】 （一）用 and / but / or填空 请根据句子逻辑，填入合适连词 1. I like singing ________ dancing after school. 2. The book is old ________ very useful. 3. Hurry up, ________ you will miss the early bus. 4. Do you want water ________ juice? 5. He studies hard ________ he is not good at math. 6. My mother buys eggs, milk ________ bread in the shop. 7. I have no time, ________ I can’t go to the park with you. 8. The room is small ________ clean. 9. You must study hard, ________ you will fall behind others. 10. She can speak English ________ French very well. （二）单项选择 1. Tom is tall ________ his brother is short. A. and B. but C. or D. so 2. Get up early, ________ you can catch the first bus. A. and B. but C. or D. because 3. —Do you like basketball ________ football?—Basketball. A. and B. but C. or D. so 4. I don’t like tea ________ coffee. I only like water. A. and B. but C. or D. also 5. The story is short ________ very interesting. A. and B. but C. or D. too 6. Work hard, ________ you will get good grades. A. but B. or C. and D. though 7. You can stay at home ________ go out for a walk. A. or B. but C. and D. so 8. He is young ________ he knows a lot of things. A. and B. but C. or D. only 9. I love reading books ________ they make me smart. A. and B. but C. or D. for 10. Don’t be late, ________ your teacher will be angry. A. and B. but C. or D. so （三）汉译英句子翻译 1. 我喜欢阅读，但是我没有太多空闲时间。（but） ________________________________________________ 2. 早起并且认真学习，你会取得进步。（and） ________________________________________________ 3. 你可以选择在家休息或者和我们一起运动。（or） ________________________________________________ 4. 这部电影很短，但是非常感人且有趣。（but, and） ________________________________________________ 5. 认真听讲，否则你无法掌握新知识。（or） ________________________________________________ Keys 数词 一、单词变形 1.first 2. second 3. third 4. fifth 5. eighth 6.ninth 7. twelfth 8. twentieth 9. twenty-first 10. thirty-fifth 二、词形填空 1.hundred 2. Hundreds 3. ninth 4. first 5. twelve 6.third 7. fifty-one 8. Thousands 9. twelfth 10. Four 三、单项选择 1.A 2.B 3.A 4.C 5.B 6.B 7.B 8.C 9.C 10.A 连词答案 （一）连词填空答案 1. and 2. but 3. or 4. or 5. but 6. and 7. and 8. but 9. or 10. and （二）单项选择答案 1.B 2.A 3.C 4.C 5.B 6.C 7.A 8.B 9.A 10.C （三）汉译英标准答案 1. I like reading, but I don’t have much free time. 2. Get up early and study carefully, and you will make progress. 3. You can choose to rest at home or exercise with us. 4. This movie is very short, but it is moving and interesting. 5. Listen carefully in class, or you can’t learn new knowledge well. $