It’s 形容词 to do sth-2025-2026学年七年级英语上册句型辨析（北师大版）

初一上册北师大版 【寒假专版】 C版句型辨析 寒假专版 【C版句型辨析】t's+形容词+to do sth 结构精讲 初中英语·北师大版初一上册 句型辨析精讲 辨析一It's+形容词+to do sth vs主语+be+形容词+to do sth 维度 It's+形容词+to do sth 主语+be+形容词+to do sth 句子结构 形式主语t作主语，真正主语人物作主语，形容词描述主 为to do sth 语特征 逻辑关系 强调”做某事”的性质/特点 强调主语具备”做某事”的性 质 例句对比 It's easy to learn English.(学英语这件事是容易的) English is easy to learn.(英语这门语言容易被学习) 真题链接（北师大版初一上册期中真题） importantus to protect the environment. A.It's;for B.Its;of C.It;to 答案：A解析：固定句型It's+形容词+for sb to do sth,it作形式主语，真正主语是to protect the environment,选A。 初一上册北师大版 【寒假专版】 C版句型辨析 辨析二It's+形容词+for sb to do sth vs It's+形容词+of sb to do sth 维度 for sb of sb 形容词类型 描述事物性质（如easy,im- 描述人品质（如kind,clever,. portant,necessary) brave,careless) 逻辑关系 ”对某人而言，做某事是… ”某人做某事，体现其…品 的 质 与sb的关系 不强调sb的内在属性 直接关联b的性格/品质特 征 例句对比 It's necessary for students to study hard..(努力学习对学生来说是必要的) It's kind of you to help me.(你帮助我，体现出你善良的品质) 真题链接（北师大版初一上册同步练习） It's of Tom to tell lies to his parents. A.clever B.wrong C.important 答案：B解析：tell lies(说谎)体现人的品质，用ofsb;wrong可描述人行为的错误性，选B。 辨析三t's+形容词+to do sth vs doing sth+be+形容词 维度 It's+形容词+to do sth doing sth+be+形容词 句子结构 形式主语t开头，结构简洁 动名词作主语，位于句首 语气侧重日常用语，更自然流畅 强调动作本身，正式或强调对 比时用 例句对比 It's interesting to play basketball..(日常表达) Playing basketball is interesting.(强调打篮球这个动作本身) 真题链接（北师大版初一上册期末真题） 2 初一上册北师大版 【寒假专版】C版句型辨析 is good for your health. A.It's exercise B.Exercising C.To exercising 答案：B解析：句首需用动名词作主语，exercising符合：A多了be动词导致句子结构错误，C 中to后应接动词原形，选B。 综合训练 1.necessary us to learn English well A.It's;for B.Its;of C.It;to 2.It's of you to help the old man cross the street. A.easy B.kind C.important 3.is interesting to play games with friends. A.It B.Playing C.To playing 从It's+adj+for sb to do sth/It's+adj+of sb to do sth/doing sth+be+adj中选择合适结构完成 句子 1.(help others)is a good habit. 2.polite us to say"thank you"often. careless him to forget his homework again. 3 初一上册北师大版 【寒假专版】C版句型辨析 1.To read books is useful.(用It's+adj+to do sth改写) 2.It's brave of the firemen to save people.(用doing sth+be+ad改写) 3.English is easy for us to learn.(用It's+adj+for sb to do sth改写) I.单项选择 1.A2.B3.A Ⅱ.选短语填空/完成句子 1.Helping others is a good habit 2.It's polite for us to say"thank you"often 3.It's careless of him to forget his homework again ⅡL.句型转换 1.It'suseful to read books 2.Saving people is brave of the firemen 3.It's easy for us to learn English 4