主语 be good at doing sth-2025-2026学年七年级英语下册句型全解（教科版五四制）

七年级下册教科版 【寒假专版】A版句型全解 寒假专版 【A版句型全解】be good at(doing)sth 初中·教科版·七年级下册 基本结构 句型结构：主语+be good at(doing)sth 表示”某人擅长（做）某事'，其中be动词的形式随主语人称和数的变化而变化，t为介词， 后接名词、代词或动名词(doing sth)。 例句展示： She is good at singing..(她擅长唱歌) They are good at playing basketball..(他们擅长打篮球) I am good at English.(我擅长英语) 句型精讲（核心考法） 考法1：be good at后接动词的形式（核心基础考点） 规则 be good at中的at是介词，后接动词时需用动名词形式（即动词-ing形式） 例句 例句l:She is good at dancing.(她擅长跳舞。) 例句2：They are good at playing basketball.(他们擅长打篮球。) 真题再现（教科版七年级下册Unit3同步练习） He is good at (swim). 答案：swimming 真题再现（教科版七年级下册期末复习卷） 七年级下册教科版 【寒假专版】A版句型全解 Mly brother is good at」 (draw)pictures. 答案：drawing 考法2：句型的否定形式 规则 在be动词后直接加not,构成be not good at(doing)sth结构 例句 例句1：I am not good at singing.(我不擅长唱歌。) 例句2：He is not good at playing the piano.(他不擅长弹钢琴。) 真题再现（教科版七年级下册Unit5单元测试） She good at playing football. A.isn't B.aren't C.don't D.doesn't 答案：A 真题再现（教科版七年级下册月考卷） They_ good at speaking English A.not are B.aren't C.isn't D.don't be 答案：B 考法3：句型的一般疑问句及回答 规则 将be动词提到句首，句末加问号：肯定回答用Yes,主语+be:否定回答用No,主语+be not 2 七年级下册教科版 【寒假专版】A版句型全解 例句 原句：Tom is good at running, 一般疑问句：Is Tom good at running? 肯定回答：Yes,heis. 否定回答：No,he isn't. 真题再现（教科版七年级下册Unit4课时练） Lucy good at dancing? A.Am B.Is C.Are D.Do 答案：B 真题再现（教科版七年级下册期中测试） -Are you good at swimming?- A.Yes,I am B.Yes,I do C.No,I am D.No,I don't 答案：A 考法4：对擅长的内容提问 规则 用What+be+主语+good at?对'擅长的事情/活动”进行提问 例句 原句：Mary is good at playing the guitar. 间句：What is Mary good at? 真题再现（教科版七年级下册Unit6同步练习） He is good at playing basketball.(对划线部分提间) is he good at? 3 七年级下册教科版 【寒假专版】A版句型全解 答案：What 真题再现（教科版七年级下册期末模拟卷） They are good at drawing pictures.(对划线部分提问) they good at? 答案：What are 句型综合训练 训练1：单项选择（考察be good at句型核心考法） 1.My sister is good at stories to her little brother. A.tell B.tells C.telling D.to tell 2.They_ good at playing tennis.They always lose the game. A.isn't B.aren't C.don't D.doesn't 3. your parents good at cooking Chinese food? A.Am B.Is C.Are D.Do 4.- you good at drawing cartoons?-Yes,I A.Do;do B.Are;am C.Is;is D.Are;do 5.He is good at math,but he good at English A.is B.isn't C.are 4 七年级下册教科版 【寒假专版】 A版句型全解 D.aren't 6.What your best friend good at?She can play the piano very well. A.am B.is C.are D.be 训练2：同义句转换（考察be good at句型核心考法） 1.She does well in singing.She is good at 2.Tom is skilled in playing basketball.-Tom is good at basketball 3.They aren't skilled in dancing.-They good at dancing 4.Is Lucy skilled in swimming?Lucy good at swimming? 训练3：完成句子（考察be good at句型核心考法） 1.My brother is good at (游泳)in the river. 2.We (不擅长)playing football,so we never play it.. 3 (他擅长)playing the guitar?Yes,he often plays it at parties. 4.What (你擅长)doing??I like singing and dancing. 5.She is good at__(画画)pictures of animals. 训练4：写作高级句式（考察be good at句型核心考法） 1.李明擅长打篮球，他是校篮球队的队长。 →Li Ming basketball,and he is the captain of the school basketball team. 2.我的英语老师擅长用有趣的故事教我们新单词。 →My English teacher teaching us new words with interesting stories. 3.他们不擅长踢足球，但擅长打乒乓球。 →They playing football,but they playing table tennis. 4.你擅长什么运动？我擅长跑步和游泳。 you ?I running and swimming 5 七年级下册教科版 【寒假专版】A版句型全解 参考答案 1训练1：单项选择 1.C2.B3.C4.B5.B6.B Ⅱ.训练2：同义句转换 1.singing 2.playing 3.aren't 4.Is ⅡI训练3：完成句子 1.swimming 2.aren't good at 3.Is he good at 4.are you good at 5.drawing V.训练4：写作高级句式 1.is good at 2.is good at 3.aren't good at;are good at 4.What are;good at;am good at 6