情态动词must should的用法-2025-2026学年八年级英语下册语法直击真题精讲（冀教版）

8下冀教版 【语法专项】 情态动词must/should用法精讲 冀教版 【语法专项】情态动词must/should用法 真题精讲与演练 直击真题高效讲 真题一：单项选择（基础用法辨析） (2024河北石家庄期中，冀教版) -You be quiet in the library. -Sorry,I will.And wereturn books on time,right? A.must;should B.should;must C.can;should D.must;can 答案：A 核心知识点： must表示“必须；务必”，语气强，强调义务或规定： should表示“应该”，语气较委婉，强调建议或责任。 解析：第一空图书馆需“必须安静”，用must:第二空“应该按时还书”表建议，用should。 真题二：用所给词的适当形式填空（句式变换） (2023河北保定月考，冀教版) We(must)follow traffic rules when crossing the street. You(should)eat more vegetables to keep healthy. They(must not)play soccer in the classroom. 答案：1.must2.should3.mustn't 核心知识点： ust表示强制要求，后接动词原形： should表建议，后接动词原形： must not缩写为mustn't,表“禁止”。 解析： “必须遵守交通规则”用must: “应该多吃蔬菜”用should: “禁止在教室踢足球”用mustn't。 8下冀教版 【语法专项】 情态动词must/should用法精讲 真题三：句型转换（否定句+一般疑问句）》 (2024河北邯郸期末，冀教版)按要求改写句子，每空一词。 We must finish homework before dinner..(改为否定句) We homework before dinner. Students should wear school uniforms at school.(改为一般疑问句并作肯定回答) -students school uniforms at school? -Yes, 答案：mustn't finish;Should;wear;they should 核心知识点： must变否定句加not,缩写为nustn't: should变疑问句将should提至句首，肯定回答用“Yes,主语+should”。 解析： 否定句直接加nustn't,动词finish用原形： 疑问句把Should提前，动词wear不变： 主语students用they指代，回答用they should。. 真题四：短文填空（语境综合运用） (2023河北秦皇岛期中，冀教版)阅读短文，用must或should的适当形式填空，使短文通顺。 Dear students,welcome to our school.Here are some rules you 1.follow:You 2.arrive on time for class.If you are late,you 3.ask the teacher for permission.You 4.keep your classroom clean. Also,you 5.help each other and be kind to your classmates. 答案：1.must2.must3.should4.must5.should 核心知识点： must用于学校规则等强制性要求： should用于提出建议或倡导良好行为。 解析： 学校规则“必须遵守”用must: “必须按时到校”用must: “应该请求允许”表建议用should: “必须保持教室干净”用must: “应该互相帮助”表倡导用should。 真题综合演练 真题综合演练 L单项选择 1.-You return the books to the library on time. 8下冀教版 【语法专项】 情态动词must/should用法精讲 -OK,I will.And wespeak loudly there. A.must;mustn't B.should;can C.must;should D.can;mustn't 2.Webe polite to our teachers and classmates at school. A.must B.can C.should D.mustn't Ⅱ.用所给词的适当形式填空 1.Students(must)run in the hallway.It's dangerous. 2.You(should)help your parents with housework at home. Ⅲ句型转换 l.We must wear masks in the hospital.(改为否定句) 2.They should finish their homework before9p.m.(改为一般疑问句并作肯定回答) 短文填空 Hello,everyone!Welcome to our school.There are some rules here.First,you 1.wear school uniforms from Monday to Friday.Second,you 2.arrive late for class.If you are ill,you 3.tell the teacher.Third,you 4.keep the classroom clean and tidy.Also,you 5.be friendly to each other. 综合演练参考答案 I.单项选择 1.A2.C Ⅱ.用所给词的适当形式填空 1.mustn't 2.should 3 8下冀教版 【语法专项】 情态动词must/should用法精讲 Ⅲ句型转换 1.We mustn't wear masks in the hospital. 2.Should they finish their homework before 9 p.m.?Yes,they should. V.短文填空 1.must 2.mustn't 3.should 4.must 5.should 4