Unit4 Safety first 第三课时Grammar time （课件）-2026-2027学年译林版(三起) 英语五年级上册

该小学英语课件围绕“Safety first”主题，核心教授情态动词should/shouldn't表建议用法，通过游泳、楼梯、体育课等场景的安全提示导入，从具体行为（应该做/不应该做）到语法规则总结，再到句型练习和海报制作，构建从情境感知到语言应用的学习支架。 其亮点在于情境化教学与实践任务结合，通过“观察发现-规则总结-情境练习-海报创作”提升语言能力（运用句型表达安全建议）和思维品质（分析安全行为合理性）。例如制作“School safety”海报时，学生需结合图片和句型自主表达，既巩固语法又培养安全意识，教师可通过结构化资料高效教学，学生在实践中提升语言应用和学习能力。

Unit 4 Safety first Grammar time 1 should warm up listen to... shouldn’t jump into... run by the... Let’s talk:Safety tips for swimming should keep to the right shouldn’t run jump from the stairs Let’s talk:Safety tips for our stairs should warm up first move out of the way to tie your shoes shouldn’t push others pull clothes Let’s talk:Safety tips in PE class walk slowly after running sit down right after running Grammar time:Let’s find 观察红框里的内容，说一说你的发现 What rules can you find? 例句 情态动词 We should warm up first before running. should We should listen to the lifeguard. should We shouldn’t jump into the water without warming up. shouldn’t We shouldn’t run by the swimming pool. shouldn’t 肯定句（给出建议或叮嘱） should+动词原形 否定句（劝告别那样做） shouldn’t+动词原形 Let’s learn 核心句型讲解 We should + 动词原形（应该做，安全做法） We shouldn’t + 动词原形（不该做，危险做法） 例句示范： We should walk slowly. 我们应该慢点走。 We shouldn’t run fast. 我们不应该跑太快。 Let’s learn Let’s learn Grammar time 情态动词 中文意思 核心用法 典型例句 can 能，会 表示能力或许可 Can I go to the swimming pool? can’t 不能，不会 表示没有能力或不许可 You can’t push others on the stairs. must 必须 按照规定或秩序做 You should stop when you see the red light. mustn’t 禁止，一定不能 不能违反规定或秩序 You mustn’t jump from the stairs. should,shouldn’t,情态动词俩，动词原形紧跟着它。 肯定表建议，否定表禁止，加个not就变shouldn’t啦！ 应该做，用should,热身靠右（warm up,keep right）别犯愁； 不应该，用shouldn’t,推拉跑跳（push,pull,run,jump）全赶上。 安全规则记心间，快乐运动笑开颜！ We ________ wash hands before meals. A.should A.should B.shouldn’t B.shouldn’t You ________ run in the classroom. B.shouldn’t B.shouldn’t A.should A.should They ________listen to teachers carefully. A.should A.should B.shouldn’t B.shouldn’t We play football without warming up first. B.shouldn’t B.shouldn’t A.should A.should I ________ go to bed early. A.should A.should B.shouldn’t B.shouldn’t Think and complete jump in the classroom Think and complete We should warm up before exercise. We should pull hard when we have a game . We shouldn’t push others. Make a poster 1 独立完成自己的“School safety学校安全”海报，小组内进行交流。 2 Make a poster climb up the tree walk pull other’s clothes Make a poster What else should and shouldn’t we do to keep safe at school? Make a poster We should put away our toys and sports things after playing. We should keep our classroom tidy. Make a poster We shouldn’t run in the classroom. Make a poster We shouldn’t run or chase each other on stairs. Make a poster We shouldn’t jump on the steps. Make a poster We shouldn’t cut in line. Make a poster We shouldn’t throw rubbish everywhere. Make a poster We shouldn’t play with sharp things casually. Make a poster We shouldn’t shout loudly in the hallway. Make a poster We shouldn’t eat snacks in class. Make a poster Let’s watch Practise 选词填空 should /shouldn’t We ________ warm up before sports. You ________ run on the stairs. It’s dangerous. She ________ help her classmates. They ________ throw rubbish everywhere. We ________ speak politely to teachers. He ________ play with sharp things. You ________ finish your homework on time. We ________ cut in line. should shouldn’t should shouldn’t should shouldn’t should shouldn’t 单击此处编辑母版文本样式 第二级 第三级 第四级 第五级 Practise 连词成句（注意首字母大写、句末标点） should / We / tidy / classroom / our / keep (.) shouldn’t / They / stairs / chase / on / each other (.) should / You / homework / on / finish / time (.) shouldn’t / cut / We / line / in (.) We should keep our classroom tidy. They shouldn’t chase each other on stairs. You should finish homework on time. We shouldn’t cut in line. Thank you! $