主语 should 动词原形-2025-2026学年七年级英语下册句型全解（北师大版）

初一下册北师大版 【寒假专版】A版句型全解 寒假专版 【A版句型全解】主语+should+动词原形 初中·北师大版·初一下册 基本结构 句型结构：主语+should+动词原形 should为情态动词，意为“应该：应当”，表示建议、义务或责任，后接动词原形构成谓语： 主语通常为人称代词主格(I/you/he/she/we/they等)或名词。 例句展示： You should study hard every day.(你应该每天努力学习) We should help our parents with housework.(我们应该帮父母做家务) 句型精讲（核心考法） 考法1：should的基本用法及肯定句构成（基础考点） 用法规则+例句 规则：should为情态动词，后接动词原形，用于表达建议、义务、责任或推测，意为“应该： 应当”。肯定句结构为“主语+should+动词原形+其他”。 例句l:You should study hard for the exam.(你应该为考试努力学习。) 例句2：We should help each other.(我们应该互相帮助。) 真题再现(2024北师大版七年级下册单元测试) She finish her homework before watching TV. A.should B.will C.need D.may 答案：A 初一下册北师大版 【寒假专版】A版句型全解 解析：句意为“她应该在看电视前完成作业”，表达建议，用should+动词原形，故选A。 考法2：should的否定句和疑问句构成 转换规则+例句转换 规则1：否定句→在should后加not,缩写为shouldn't,结构“主语+should not/shouldn' t+动词原形+其他”。 例句：原句He should go to school on time.. 否定句：He should not/.shouldn't go to school on time. 规则2：一般疑问句→将should提至句首，结构“Should+主语+动词原形+其他？”，肯 定回答“Yes,主语+should.”,否定回答“No,主语+shouldn’t.”。 例句：原句They should clean the classroom. 疑问句：Should they clean the classroom? 肯定回答：Yes,they should. 否定回答：No,they shouldn’t. 真题再现(2023北师大版七年级下册期末真题) 一Should we play football in the street?(改为否定句) -No,we 答案：shouldn't (2024北京朝阳区七年级下册月考) (read)this book first?(用should补全疑问句) 答案：Should;Iead 考法3：should的同义句转换（与had better/ought to转换） 转换规则+例句转换 规则l:should表建议时可与“had better (not)+动词原形”转换，后者语气更强，意为“最 好（不）做某事”。 例句：原句You should wear warm clothes in winter. 同义句：You had better wear warm clothes in winter 2 初一下册北师大版 【寒假专版】A版句型全解 规则2：should可与ought to转换，ought to语气更正式，结构“主语+ought to+动词原 形”。 例句：原句We should respect our teachers. 同义句：We ought to respect our teachers. 真题再现(2024北师大版七年级下册同步练习) You should not swim in the river.(改为同义句) You swim in the river. 答案：had better not 考法4：对should引导的句子进行提问（针对建议内容提问） 提问规则+例句提问 规则：对should后的动词短语（即建议的动作）提问时，用“What+should+主语+do+ 其他？”。 例句：原句Tom should see a doctor.. 问句：What should Tom do? 真题再现(2023北师大版七年级下册期中真题) She should drink more water when she has a cold.(对划线部分提问) she when she has a cold? 答案：What should;do 句型综合训练 训练I:单项选择（考察should的基本用法及肯定句构成） 1.We respect the elderly and help them when they need it. A.should B.will C.must D.can 2.You eat too much junk food because it's bad for your health A.should B.shouldn't 3 初一下册北师大版 【寒假专版】 A版句型全解 C.need D.needn't 3 I (ask)the teacher for help?(用should补全疑问句) A.Should;ask B.Will:ask C.Can;ask D.May;ask 4.She finish her homework before going out to play. A.should B.would C.could D.might 5.-Should we go to the park this afternoon? -No,we.It's going to rain. A.should B.shouldn't C.can D.can't 训练2：同义句转换（考察should的同义句转换） 1.You should study hard for the exam. →You study hard for the exam. 2.We should help each other when we are in trouble. →We」 help each other when we are in trouble. 3.He shouldn't play computer games for a long time. ->He play computer games for a long time 4.You should wear a hat in the sun →You wear a hat in the sun. 5.They should not be late for school. →They be late for school 训练3：完成句子（考察should的否定句和疑问句构成） 4 初一下册北师大版 【寒假专版】A版句型全解 1.你不应该在图书馆大声说话。 →Yo1 in the library loudly 2.我们应该每天早上读英语。 →We English every morning 3.他们应该帮助那个迷路的孩子吗？ → they the lost child? 4.她不应该把书放在地上。 →She the books on the ground. 5.我们应该对父母有礼貌。 →We polite to our parents. 训练4：写作高级句式（考察should的应用） 1.我们应该努力学习，实现自己的梦想。 →We study hard to realize our dreams. 2.你应该多吃水果和蔬菜，保持健康。 →You eat more fruits and vegetables to keep healthy. 3.他们应该保护环境，减少污染。 →They protect the environment and reduce pollution. 4.我们不应该浪费水资源。 →We water resources. 5.你应该每天锻炼半小时。 →You for half an hour every day. 参考答案 I训练1：单项选择 1.A2.B3.A4.A5.B Ⅱ.训练2：同义句转换 1.ought to 2.ought to 3.had better not 4.had better 5.had better not I.训练3：完成句子 5 初一下册北师大版 【寒假专版】 A版句型全解 1.shouldn't speak 2.should read 3.Should;help 4.shouldn't put 5.should be V.训练4：写作高级句式 1.should 2.should 3.should 4.shouldn't waste 5.should exercise 6