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

初一上册北师大版 【寒假专版】A版句型全解 寒假专版 【A版句型全解】t's+形容词+to do sth 初中·北师大版·初一上册 基本结构 句型结构：It's+形容词+to do sth It为形式主语，真正主语是后置的不定式短语to do sth。 例句展示 It's easy to answer this question.(回答这个问题很容易) It's interesting to read storybooks.(读故事书很有趣) 句型精讲（核心考法） 考法1：区分for与of的用法 判断规则+例句对比 规则l:形容词描述to do sth.这件事的性质或特点（如difficult,,easy,important,necessary 等)→用for 例句：It is important for students to study hard. 验证：Students are important逻辑不通 规则2：形容词描述sb.的品质或性格（如kind,nice,clever,,polite,friendly等）→用of 例句：It is kind of her to help the new classmate. 验证：She is kind逻辑通顺 真题再现（北师大版初一上册Uit3同步练习） It is easy me to learn English. A.of B.for C.to D.with 1 初一上册北师大版 【寒假专版】A版句型全解 答案：B 解析：easy描述“学英语”这件事的性质，不修饰人，用for (北师大版初一上册期中测试) It's very nice you to share your books with me. A.of B.for C.with D.at 答案：A 解析：nice描述人的品质，”you are nice”逻辑通顺，用of 考法2：句型的同义句转换 转换规则+例句转换 规则：去掉形式主语It,保留形容词，将for/of sb.中的sb.作为句子主语（或保留sb.位 置)，结构变形为To do sth.is+adj.+for/ofsb.(不定式短语作主语时，谓语动词用单数) 例句l:原句It is interesting for children to play games.. 同义句：To play games is interesting for children. 例句2：原句It is clever of Lily to answer the question quickly. 同义句：To answer the question quickly is clever of Lily. 真题再现（北师大版初一上册Unit5课时练) It is necessary for us to follow the rules.(改为同义句) the rules is necessary for us. 答案：To follow (北师大版初一上册期末复习卷) It is polite of Tom to say"Thank you''.(改为同义句) "Thank you"is polite of Tom. 初一上册北师大版 【寒假专版】A版句型全解 答案：To say 考法3：对句型中不同成分提问 提问规则+例句提问 规则1：对形容词提问→用How+be+it+for/ofsb.+to do sth.? 例句：原句It is difficult for him to finish the work. 问句：How is it for him to finish the work? 规则2：对sb.提问→用Who+be+it+adj.+for/of+to do sth.? 例句：原句It is helpful of Mike to carry the heavy box. 问句：Who is it helpful of to carry the heavy box? 规则3：对不定式短语提问→用What+be+it+adj.+for/ofsb.+todo? 例句：原句It is wonderful for them to visit the museum. 问句：What is it wonderful for them to do? 真题再现（北师大版初一上册Unit2单元测试） It is exciting for us to go to the zoo.（对划线部分提问) it for you to go to the zoo? 答案：Howis (北师大版初一上册月考卷) It is foolish of her to make such a mistake.(对划线部分提问) is it foolish of make such a mistake? 答案：Who;to 句型综合训练 训练1：单项选择（考察for/of辨析） 1.It is wise the old man to save money for his children. A.of B.for C.with 3 初一上册北师大版 【寒假专版】 A版句型全解 D.about 2.It is dangerous children to play near the river. A.of B.for C.from D.at 3.It's politeyou to hold the door open for others. A.of B.for C.on D.in 4.It is important students to preview lessons before class. A.of B.for C.to D.with 5.It is honest her to admit her mistake immediately. A.of B.for C.about D.by 6.It is easy me to solve this problem with your help. A.of B.for C.from D.at 7.It's kind my neighbor to help me water the plants when I'm away. A.of B.for C.with D.to 8.It is necessary us to learn basic first-aid skills. A.of B.for C.on 初一上册北师大版 【寒假专版】A版句型全解 D.in 训练2：同义句转换（考察句型变形） 1.It is helpful for us to read English newspapers every day. English newspapers every day is helpful for us. 2.It is careless of Tom to lose his wallet again. his wallet again is careless of Tom 3.It is important for teenagers to get enough sleep. → enough sleep is important for teenagers. 4.It is friendly of Lucy to invite us to her birthday party. us to her birthday party is friendly of Lucy. 5.It is difficult for him to climb to the top of the mountain. → to the top of the mountain is difficult for him. 6.It is brave of the soldier to fight against the enemies. against the enemies is brave of the soldier. 7.It is necessary for us to protect the environment. the environment is necessary for us. 训练3：完成句子（考察语境运用） 1.对他来说，按时完成作业很容易。 →It is easy finish homework on time. 2.他们真是太善良了，为贫困地区的孩子捐赠了书籍。 →It is kind donate books to children in poor areas 3.对我们来说，保持健康的生活方式很重要。 →It is important keep a healthy lifestyle. 4.她真的很聪明，能在短时间内想出这个好主意。 →It is clever come up with this good idea in a short time. 5.对学生来说，认真听老师讲课很必要。 →It is necessary listen to the teacher carefully in class. 6.他太粗心了，把钥匙忘在了家里。 5 初一上册北师大版 【寒假专版】 A版句型全解 →It is careless leave the keys at home. 7.对我们来说，每天锻炼半小时有益处。 →It is beneficial exercise for half an hour every day. 8.她很有礼貌，主动向陌生人问好。 →It is polite greet strangers actively. 训练4：写作高级句式 1.对每个人来说，学会独立思考很重要。 →It is important learn to think independently. 2.你能帮助这位老人过马路，真是太好了。 →It is kind help the old man cross the road. 3.对学生而言，掌握一门外语是有必要的。 →It is necessary master a foreign language. 4.他放弃这么好的机会，真是太愚蠢了。 →It is foolish give up such a good chance 5.对我们来说，保护环境是我们的责任。 →It is our duty protect the environment. 6.她能在这么短的时间内完成任务，真的很高效。 →It is efficient finish the task in such a short time. 参考答案 I训练1：单项选择 1.A2.B3.A4.B5.A6.B7.A8.B Ⅱ.训练2：同义句转换 1.To read 2.To lose 3.To get 4.To invite 5.To climb 6.To fight 7.To protect L.训练3：完成句子 1.for him to 2.of them to 3.for us to 4.of her to 5.for students to 6.of him to 7. for us to 8.of her to V.训练4：写作高级句式 6 初一上册北师大版 【寒假专版】A版句型全解 1.for everyone to 2.of you to 3.for students to 4.ofhim to 5.for us to 6.of her to 7