句型全解07-2025-2026学年高中英语必修二句型全解（重大版）

高中重大版 【核心句型专版】A版句型全解 必修第二册 【A版句型全解】Only by doing sth can we... 高中·重大版·必修第二册 基本结构 句型结构：Only by doing sth can we. ”Only+介词短语(by doing sth)”置于句首时，句子需部分倒装，助动词can提到主语we 之前。其中by doing sth表示”通过做某事’，强调实现主句动作的方式或手段。 例句展示： Only by working hard can we achieve our dreams.(只有通过努力工作，我们才能实现梦想) Only by taking exercise regularly can we keep healthy.(只有定期锻炼，我们才能保持健康) 句型精讲（核心考法） 考法1：倒装结构的正确运用（高中核心考点） 判断规侧+例句对比 规则：Oly+介词短语副词/状语从句位于句首时，句子需部分倒装，即把情态动词、助动 词或be动词提到主语之前；若only后接的是主语，则无需倒装。 例句l:Only by working hard can we achieve our dreams..(正确，by working hard为介词短语 位于句首，情态动词can提到主语we前) 例句2：Only he can solve this problem.(正确，omly后接主语he,无需倒装) 例句3：Only by taking exercise we can keep healthy..(错误，未倒装，应改为Only by taking exercise can we keep healthy.) 真题再现(2024重大版必修第二册单元测试) Only by practicing speaking English every day improve our oral English. A.we can 高中重大版 【核心句型专版】A版句型全解 B.can we C.we do D.do we 答案：B 解析：Only+介词短语by practicing..位于句首，句子需部分倒装，原句谓语为can improve, 将can提到主语we前，故选B。 真题再现(2023重庆高考模拟题) Only when we realize the importance of environmental protection_ take effective measures. A.we will B.will we C.we can D.can we 答案：B 解析：Only+状语从句when.位于句首，句子需部分倒装，”采取措施”是将来的动作，用 will,将wi提到主语we前，故选B。 考法2：非谓语动词形式的选择 判断规则+例句对比 规则：Only by后的动词需用动名词形式(doing),因为by是介词，介词后接动词时要用动 名词作宾语。 例句l:Only by studying hard(study)can we get good grades.(正确，studying为动名词) 例句2：Only by read(tead)more books can we broaden our horizons..(错误，read应改为reading) 例句3：Only by to learn(leam)from mistakes can we make progress.(错误，to learn应改为learning) 真题再现(2024重大版必修第二册期末测试) Only by (communicate)with others openly can we build good relationships. 答案：communicating 解析：by是介词，后接动词communicate时需用动名词形式communicating。 2 高中重大版 【核心句型专版】 A版句型全解 真题再现(2023四川高考模拟题) Only by (take)action immediately can we avoid more serious problems. 答案：taking 解析：by后接动词take,应用动名词taking,Only by taking action.…位于句首，句子用倒装 can we.。 考法3：同义句转换（与正常语序的转换） 转换规则+例句转换 规则：将Only by doing sth.引导的倒装句转换为正常语序时，需将情态动词/助动词be动词 还原到主语之后，only by doing sth.可位于句首（此时不倒装则为强调，口语中偶尔使用，但书面 语中通常需倒装)或句末。 例句l:倒装句：Only by working hard can we succeed. 正常语序：We can succeed only by working hard.(only by working hard位于句末) 例句2：倒装句：Only by asking questions can you learn more.. 正常语序：You can learn more only by asking questions..(only by asking questions位于句末) 真题再现(2024重大版必修第二册同步练习) Only by practicing every day can we master a foreign language..(改为正常语序) We a foreign language only by practicing every day. 答案：can master 解析：原句为倒装句，将情态动词cn还原到主语we之后，谓语动词master紧随其后，得 到正常语序We can master..。 真题再现(2023重大版必修第二册月考) Only by helping each other can people live happily..(改为正常语序) People happily only by helping each other. 答案：can live 解析：原句倒装结构为can people live,正常语序将can移到主语people后，即People can live.... 3 高中重大版 【核心句型专版】A版句型全解 考法4：对介词by后动名词的提问 判断规则+例句提问 规则：对Only by doing sth.中的doing sth.(动作)提问时，用What+助动词/情态动词+主 语+do+only by.?(注意保持倒装结构) 原句：Only by reading widely can we gain knowledge. 间句：What can we do only by to gain knowledge? 真题再现(2024重大版必修第二册模块测试) Only by working hard can we achieve our goals.(对划线部分提问) we only by to achieve our goals? 答案：What can do 解析：对working hard(动作)提问，用What,原句为倒装句can we achieve,提问时保持倒 装结构，即What can we do only by..?,故答案为What can do。 真题再现(2023重大版必修第二册期中测试) Only by saving money carefully can we buy a new house.(对划线部分提间) weonly by to buy a new house? 答案：What can do 解析：对saving money carefully提问，用What,句子保持倒装，结构为What+can we+do +only by..?,故答案为What can do。 句型综合训练 训练1：单项选择（考察倒装结构） 1.Only by studying hard get good grades. A.we can B.can we C.we do D.do we 2.Only when he finished his homework go out to play. 高中重大版 【核心句型专版】A版句型全解 A.he could B.could he C.he will D.will he 3.Only in this way solve the problem. A.we can B.can we C.we must D.must we 4.Only by English every day can we improve it. A.practice B.practicing C.practiced D.to practice 5.Only my mother cook this delicious dish A.can B.may C.must D.need 训练2：同义句转换（考察正常语序转换) 1.Only by reading more can we learn better. →We better only by reading more. 2.Only by working together can they finish the task. →They the task only by working together. 3.Only by exercising often can you keep healthy. →You healthy only by exercising often. 4.Only by listening carefully can we understand the teacher. →We the teacher only by listening carefully. 5.Only by saving money can he buy a new bike. →He a new bike only by saving money. 训练3：完成句子（考察非谓语动词） 高中重大版 【核心句型专版】A版句型全解 1.Only by (study)hard can we pass the exam. 2.Only by (help)each other can we make progress. 3.Only by (read)books can we open our minds. 4.Only by (practice)speaking can we improve our English. 5.Only by (try)again can we succeed. 训练4：写作高级句式（考察句型应用） 1.只有通过努力学习，我们才能实现梦想。 →Only by hard can we achieve our dreams. 2.只有通过每天锻炼，你才能保持健康。 -Only by exercising every day keep healthy. 3.只有通过互相理解，朋友之间才能保持友谊。 -Only by understanding each other friends their friendship. 4.只有通过认真听讲，学生才能学好知识。 -Only by listening carefully students knowledge well. 参考答案 I.训练1：单项选择 1.B2.B3.B4.B5.A Ⅱ.训练2：同义句转换 1.can learn 2.can finish 3.can keep 4.can understand 5.can buy I训练3：完成句子 1.studying 2.helping 3.reading 4.practicing 5.trying V.训练4：写作高级句式 1.studying 2.can you 3.can keep 4.can learn 6