be able to do sth能够做某事-2025-2026学年中考英语句型全解（全国版）

中考必备全国版 【寒假专版】A版句型全解 寒假专版 【A版句型全解】be able to do sth. 初中·全国版·中考必备 基本结构 句型结构：be able to do sth.(能够做某事) 表示具备做某事的能力，可用于各种时态，强调通过努力或具备某种条件而获得的能力。 主语为人称代词或名词，b动词根据主语的人称和时态进行变化。 例句展示： She is able to swim across the river.(她能够游过河) They will be able to finish the work on time.(他们将能够按时完成工作) 句型精讲（核心考法） 考法1：be able to与can的用法辨析（中考高频考点） 区分规侧+例句对比 规则1：can只有现在时(can)和过去时(could)两种形式；be able to有更多时态（一般现 在时am/is/are able to,一般过去时was/were able to,一般将来时will be able to等) 例句：He can speak English.(现在时)→He is able to speak English.(现在时) 例句：He could swim at the age of five.(过去时)→He was able to swim at the age of five.（过去时) 例句：We will be able to finish the work tomorrow.(将来时，不可用can) 规则2：can表示与生俱来的能力或客观可能性；be able to更强调通过努力或克服困难后获得的能力 例句：Birds can fly.(与生俱来的能力，不可用be able to) 例句：After practicing for a month,she was able to dance well..(通过努力获得的能力) 真题再现(2024全国版中考模拟题) She swim when she was five,and now she swim very fast. 中考必备全国版 【寒假专版】A版句型全解 A.can;could B.could;can C.was able to;is able to D.is able to;was able to 答案：C 解析：第一空表示过去通过努力获得的能力，用was able to:第二空表示现在的能力，用is able to,更符合语境强调努力的结果 真题再现(2023河南中考) With the help of the teacher,the boy solve the problem finally. A.can B.could C.was able to D.is able to 答案：C 解析：句中有finally强调通过努力最终解决问题，且动作发生在过去，用was able to 考法2：be able to的否定形式和疑问形式 构成规则+例句转换 规则I:否定形式在be动词后加not,即be not able to 例句：He is not able to drive a car..(He isn't able to drive a car.) They werenot able to come to the party yesterday.(They weren't able to come to the party yesterday.) 规则2：疑问形式将be动词提前，即Be+主语+able to do sth.? 例句：Is she able to speak French? 例句：Were they able to finish the task on time? 真题再现(2024全国版教材同步练习) He is able to ride a bike.(改为否定句) He ride a bike. 中考必备全国版 【寒假专版】 A版句型全解 答案：is not able to 真题再现(2023江苏苏州中考) you come to my birthday party tomorrow? A.Are;able to B.Can;able to C.Do;able to D.Will;able to 答案：A 解析：一般疑问句将b动词提前，able to与be动词搭配，can与able to不能同时使用 考法3：be able to与其他情态动词的同义句转换 转换规则+例句转换 规则：be able to可与can/could(在特定时态下)进行同义句转换，can/could转换为be able to时需注意时态一致 例句l:原句I can play the piano.(现在时)→同义句I am able to play the piano. 例句2：原句She could sing well when she was young.(过去时)→同义句She was able to sing well when she was young. 例句3：原句We will can finish the work soon.(错误，can无将来时)→正确：We will be able to finish the work soon. 真题再现(2024全国版中考真题改编) He can speak three languages.(改为同义句) He speak three languages. 答案：is able to 真题再现(2023湖北武汉中考) They could swim across the river last year..(改为同义句) They swim across the river last year. 答案：were able to 3 中考必备全国版 【寒假专版】A版句型全解 考法4：be able to在不同时态中的运用 时态构成+例句展示 规则1：一般现在时：主语+am/is/are+able to+动词原形 例句：I am able to finish my homework on time every day. 例句：She is able to play basketball very well. 规则2：一般过去时：主语+was/were+able to+动词原形 例句：He was able to pass the exam last term. 例句：They were able to climb the mountain yesterday. 规则3：一般将来时：主语+will be+able to+动词原形 例句：We will be able to visit the Great Wall next month 例句：She will be able to speak English fluently in two years. 真题再现(2024全国版教材单元测试) My brother (能够)cook dinner when he was ten years old. 答案：was able to 真题再现(2023广东中考) We see the stars clearly at night if there is no light pollution. A.are able to B.were able to C.will be able to D.can 答案：C 解析：句中if引导的条件状语从句用一般现在时，主句用一般将来时，be able to的将来时为 will be able to 句型综合训练 中考必备全国版 【寒假专版】 A版句型全解 训练1：单项选择（考察be able to与can的辨析） 1.She play the piano when she was six,and now she perform in concerts. A.can;could B.could;can C.was able to;is able to D.is able to:was able to 2.With the help of her classmates,Maryfinish the group project finally. A.can B.could C.was able to D.is able to 3.We see the solar eclipse clearly if the weather is fine tomorrow. A.are able to B.were able to C.will be able to D.can 4. you come to the charity event next weekend? A.Are;able to B.Can;able to C.Do;able to D.Will;able to 5.Birds fly,but humans fly only with planes. A.can;are able to B.are able to;can C.could;were able to D.was able to;can 训练2：同义句转换（考察be able to与can/could的转换） 1.Tom can solve this math problem quickly. →Tom solve this math problem quickly. 2.They could speak Japanese when they lived in Tokyo. →They speak Japanese when they lived in Tokyo 3.My sister will can ride a horse next summer.(修正错误并转换) →ly sister ride a horse next summer. 中考必备全国版 【寒假专版】 A版句型全解 4.We can't finish the work before dark. →We finish the work before dark. 5.He could swim across the lake at the age of ten. →He swim across the lake at the age of ten 训练3：完成句子（考察be able to的时态及否定/疑问形式） 1.在老师的帮助下，那个女孩最终能够回答出这个问题。 >With the teacher's help,the girl answer the question finally. 2.如果我们努力学习，明年我们将能够通过英语考试。 →If we study hard,we pass the English exam next year. 3.他昨天没能参加会议，因为他生病了。 >He attend the meeting yesterday because he was ill. 4.你能在周五之前完成这份报告吗？ →you finish this report by Friday? 5.我的祖父母年轻时能说三种语言。 →My grandparents speak three languages when they were young. 训练4：写作高级句式（考察be able to的语境应用） 1.经过数月的训练，她终于能够在马拉松比赛中跑到终点。 >After months of training,she finally run to the finish line in the marathon. 2.如果我们继续污染环境，我们将再也不能呼吸到新鲜空气。 >If we continue to pollute the environment,we no longer breathe fresh air. 3.借助新科技，科学家们能够更深入地研究海洋生物。 >With the help of new technology,scientists study marine life more deeply. 参考答案 I训练1：单项选择 1.C2.C3.C4.A5.A Ⅱ.训练2：同义句转换 1.is able to 2.were able to 3.will be able to 4.are not able to 5.was able to 6 中考必备全国版 【寒假专版】 A版句型全解 II.训练3：完成句子 1.was able to 2.will be able to 3.wasn't able to 4.Are;able to 5.were able to V.训练4：写作高级句式 1.was;able to 2.will;be able to 3.are able to 7